US20030101559A1 - Custom garment design and fabric printing system - Google Patents
Custom garment design and fabric printing system Download PDFInfo
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- US20030101559A1 US20030101559A1 US10/326,308 US32630802A US2003101559A1 US 20030101559 A1 US20030101559 A1 US 20030101559A1 US 32630802 A US32630802 A US 32630802A US 2003101559 A1 US2003101559 A1 US 2003101559A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
- G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/30—Ink jet printing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/86—Secure or tamper-resistant housings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/0035—User-machine interface; Control console
- H04N1/00405—Output means
- H04N1/00408—Display of information to the user, e.g. menus
- H04N1/0044—Display of information to the user, e.g. menus for image preview or review, e.g. to help the user position a sheet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/21—Intermediate information storage
- H04N1/2104—Intermediate information storage for one or a few pictures
- H04N1/2112—Intermediate information storage for one or a few pictures using still video cameras
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/21—Intermediate information storage
- H04N1/2104—Intermediate information storage for one or a few pictures
- H04N1/2112—Intermediate information storage for one or a few pictures using still video cameras
- H04N1/2154—Intermediate information storage for one or a few pictures using still video cameras the still video camera incorporating a hardcopy reproducing device, e.g. a printer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2621—Cameras specially adapted for the electronic generation of special effects during image pickup, e.g. digital cameras, camcorders, video cameras having integrated special effects capability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2129—Authenticate client device independently of the user
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2101/00—Still video cameras
Definitions
- the present invention relates to an image processing method and apparatus and, in particular, discloses a Garment Design and Printing System.
- the present invention further relates to the creation of fabrics and garments utilising automated apparatuses.
- a garment creation system comprising:
- an expected image creation system including an image sensor device and an image display device, said image creation system mapping portions of an arbitrary image sensed by said image sensor device onto a garment and outputting on said display device a depiction of said garment;
- a garment fabric printer adapted to be interconnected to said image creation system for printing out corresponding pieces of said garment including said mapped portions.
- FIG. 1 illustrates the basic operation of an Artcam device
- FIG. 2 illustrates a series of Artcards for use with the preferred embodiment
- FIG. 3 is a flow diagram of the algorithm utilised by the preferred embodiment.
- FIG. 4 is a schematic illustration of the outputting of printed fabrics produced in accordance with the present invention.
- the preferred embodiment is preferably implemented through suitable programming of a hand held camera device such as that described in co-pending U.S. patent application Ser. No. 09/113,060 entitled “Digital Instant Printing Camera with Image Processing Capability” (Docket ARTO1) filed concurrently herewith by the present applicant the content of which is hereby specifically incorporated by cross reference.
- the aforementioned patent specification discloses a camera system, hereinafter known as an “Artcam” type camera, wherein sensed images can be directly printed out by an Artcam portable camera unit. Further, the aforementioned specification discloses means and methods for performing various manipulations on images captured by the camera sensing device leading to the production of various effects in an output image. The manipulations are disclosed to be highly flexible in nature and can be implemented through the insertion into the Artcam of cards having encoded thereon various instructions for the manipulation of images, the cards hereinafter being known as Artcards.
- the Artcam further has significant onboard processing power provided by an Artcam Central Processor unit (ACP) which is interconnected to a memory device for the storage of important data and images.
- ACP Artcam Central Processor unit
- the aforementioned patent specification discloses an Artcam system as indicated 1 in FIG. 1.
- the Artcam system 1 relies on an Artcam 2 which takes Artcards 3 as an input.
- the Artcard 3 includes encoded information for manipulation of an image scene 4 so as to produce an output photo 5 which contains substantial manipulation in accordance with the instruction of Artcard 3 .
- the Artcards 3 are designed to be extremely inexpensive and contain on one surface the encoding information and on the other surface a depiction of the likely effect which will be produced by the Artcard 3 when inserted in Artcam 2 .
- a large number of Artcards 3 are prepared and distributed in packs 10 .
- Each pack 10 relates to clothing wear of a specific size and includes images eg. 11 of models having clothing apparel 12 on to which an image captured by the camera will be mapped.
- the mapping can be to different items of apparel on different Artcards 3 .
- One form of mapping algorithm is as illustrated 20 in FIG. 3 wherein the input image 4 is first warped 21 utilising a warp map which maps the image to a repeating tiling pattern that produces attractive warping effects.
- many other forms of algorithms could be provided for producing an attractive form of material with the algorithm being provided on Artcard 3 (FIG. 1).
- a second warp 22 is provided for warping the output of first warp map 21 onto the specific model image in the Artcard. Therefore, warp 22 will be Artcard specific. The result can then be output 23 for printing as an art photo 5 .
- a user is able to point an Artcam 2 at a design image 4 and produce art photo 5 which has a manipulated version of the image based upon a model's item of fashion apparel or garment. This process can be continued until a desirable result is produced.
- the Artcam 2 can be connected by its USB port, as illustrated at 30 , to a fabric printer 34 which can comprise an ink jet fabric printer and associated drive controller electronics etc.
- a fabric printer 34 which can comprise an ink jet fabric printer and associated drive controller electronics etc.
- Either the Artcam 2 or the inkjet printer 34 can be programmed to print out on fabric 35 the garment pieces eg. 36 having on the surface 37 thereof the original warped image so as to produce a garment corresponding to that depicted by the model on the Artcard.
- the output fabric can include tab portions eg. 38 for alignment and border regions eg. 39 in addition to instructions 40 for joining the garment pieces together.
- the output program includes providing for warp matching of border regions so as to present a continuous appearance on the garment cross seams.
- a user interface could be provided for utilising the same Artcard with many different output sizes so as to taken into account different shaped bodies.
- the embodiments of the invention use an ink jet printer type device. Of course many different devices could be used. However presently popular ink jet printing technologies are unlikely to be suitable.
- thermal ink jet The most significant problem with thermal ink jet is power consumption. This is approximately 100 times that required for high speed, and stems from the energy-inefficient means of drop ejection. This involves the rapid boiling of water to produce a vapor bubble which expels the ink. Water has a very high heat capacity, and must be superheated in thermal ink jet applications. This leads to an efficiency of around 0.02%, from electricity input to drop momentum (and increased surface area) out.
- piezoelectric ink jet The most significant problem with piezoelectric ink jet is size and cost. Piezoelectric crystals have a very small deflection at reasonable drive voltages, and therefore require a large area for each nozzle. Also, each piezoelectric actuator must be connected to its drive circuit on a separate substrate. This is not a significant problem at the current limit of around 300 nozzles per print head, but is a major impediment to the fabrication of pagewidth print heads with 19,200 nozzles.
- the ink jet technologies used meet the stringent requirements of in-camera digital color printing and other high quality, high speed, low cost printing applications.
- new inkjet technologies have been created.
- the target features include:
- ink jet designs shown here are suitable for a wide range of digital printing systems, from battery powered one-time use digital cameras, through to desktop and network printers, and through to commercial printing systems
- the print head is designed to be a monolithic 0.5 micron CMOS chip with MEMS post processing.
- the print head is 100 mm long, with a width which depends upon the ink jet type.
- the smallest print head designed is covered in U.S. patent application Ser. No. 09/112,764, which is 0.35 mm wide, giving a chip area of 35 square mm.
- the print heads each contain 19,200 nozzles plus data and control circuitry.
- Ink is supplied to the back of the print head by injection molded plastic ink channels.
- the molding requires 50 micron features, which can be created using a lithographically micromachined insert in a standard injection molding tool.
- Ink flows through holes etched through the wafer to the nozzle chambers fabricated on the front surface of the wafer.
- the print head is connected to the camera circuitry by tape automated bonding.
- the present invention is useful in the field of digital printing, in particular, ink jet printing.
- a number of patent applications in this field were filed simultaneously and incorporated by cross reference.
- ink jet configurations can readily be derived from these forty-five examples by substituting alternative configurations along one or more of the 11 axes. Most of the forty-five examples can be made into ink jet print heads with characteristics superior to any currently available ink jet technology.
- Suitable applications for the ink jet technologies include: Home printers, Office network printers, Short run digital printers, Commercial print systems, Fabric printers, Pocket printers, Internet WWW printers, Video printers, Medical imaging, Wide format printers, Notebook PC printers, Fax machines, Industrial printing systems, Photocopiers, Photographic minilabs etc.
- Many ink types actuator Zoltan USP 3,683,212 (PZT) is electrically can be used Difficult to 1973 Stemme USP activated, and either Fast operation integrate with 3,747,120 expands, shears, or High efficiency electronics Epson Stylus bends to apply High voltage drive Tektronix pressure to the ink, transistors USSN 09/112,803 ejecting drops.
- Electro- An electric field is Low power Low maximum Seiko Epson, Usui et all strictive used to activate consumption strain (approx. JP 253401/96 electrostriction in Many ink types 0.01%) USSN 09/112,803 relaxor materials can be used Large area such as lead Low thermal required for lanthanum zirconate expansion actuator due to titanate (PLZT) or Electric field low strain lead magnesium strength Response speed is niobate (PMN). required marginal ( ⁇ 10 ⁇ s) (approx.
- High voltage drive V/ ⁇ m can be transistors generated required without Full pagewidth difficulty print heads Does not impractical due to require actuator size electrical poling Ferro- An electric field is Low power Difficult to USSN 09/112,803 electric used to induce a consumption integrate with phase transition Many ink types electronics between the can be used Unusual materials antiferroelectric Fast operation such as PLZSnT (AFE) and ( ⁇ 1 ⁇ s) are required ferroelectric (FE) Relatively high Actuators require phase.
- AFE PLZSnT
- FE ferroelectric
- Perovskite longitudinal a large area materials such as tin strain modified lead High efficiency lanthanum zirconate Electric field titanate (PLZSnT) strength of exhibit large strains around 3 V/ ⁇ m of up to 1% can be readily associated with the provided AFE to FE phase transition.
- Electro- Conductive plates Low power Difficult to USSN 09/112,787; static are separated by a consumption operate 09/112,803 plates compressible or Many ink types electrostatic fluid dielectric can be used devices in an (usually air). Upon Fast operation aqueous application of a environment voltage, the plates The electrostatic attract each other actuator will and displace ink, normally need to causing drop be separated from ejection.
- the the ink conductive plates Very large area may be in a comb or required to honeycomb achieve high structure, or stacked forces to increase the High voltage drive surface area and transistors may be therefore the force.
- required Full pagewidth print heads are not competitive due to actuator size
- Electro- A strong electric Low current High voltage 1989 Saito et al, USP static pull field is applied to consumption required 4,799,068 on ink the ink, whereupon Low May be damaged 1989 Miura et al, USP electrostatic temperature by sparks due to 4,810,954 attraction air breakdown Tone-jet accelerates the ink Required field towards the print strength increases medium.
- Rare earth High efficiency Neodymium Iron magnets with a field Easy extension Boron (NdFeB) strength around 1 from single required. Tesla can be used.
- nozzles to High local Examples are: pagewidth print currents required Samarium Cobalt heads Copper (SaCo) and metalization magnetic materials should be used for in the neodymium long iron boron family electromigration (NdFeB, lifetime and low NdDyFeBNb, resistivity NdDyFeB, etc) Pigmented inks are usually infeasible Operating temperature limited to the Curie temperature (around 540 K) Soft A solenoid induced Low power Complex USSN 09/112,751; magnetic a magnetic field in a consumption fabrication 09/113,097; 09/113,066; core soft magnetic core Many ink types Materials not 09/112,779; 09/113,061; electro- or yoke fabricated can be used usually present in 09/112,816; 09/112,772; magnetic from a ferrous Fast operation a CMOS fab such 09/112,815 material such as High efficiency as NiFe, CoNiFe, electroplated iron Easy extension or CoFe are alloys
- the soft heads Copper magnetic material is metalization in two parts, which should be used for are normally held long apart by a spring. electromigration When the solenoid lifetime and low is actuated, the two resistivity parts attract, Electroplating is displacing the ink. required High saturation flux density is required (2.0-2.1 T is achievable with CoNiFe [1]) Lorenz The Lorenz force Low power Force acts as a USSN 09/113,099; force acting on a current consumption twisting motion 09/113,077; 09/112,818; carrying wire in a Many ink types Typically, only a 09/112,819 magnetic field is can be used quarter of the utilized.
- infeasible Magneto- The actuator uses Many ink types Force acts as a Fischenbeck, USP striction the giant can be used twisting motion 4,032,929 magnetostrictive Fast operation Unusual materials USSN 09/113,121 effect of materials Easy extension such as Terfenol- such as Terfenol-D from single D are required (an alloy of terbium, nozzles to High local dysprosium and iron pagewidth print currents required developed at the heads Copper Naval Ordnance High force is metalization Laboratory, hence available should be used for Ter-Fe-NOL). For long best efficiency, the electromigration actuator should be lifetime and low pre-stressed to resistivity approx. 8 MPa.
- Pre-stressing may be required Surface Ink under positive Low power Requires Silverbrook, EP 0771 tension pressure is held in a consumption supplementary 658 A2 and related reduction nozzle by surface Simple force to effect patent applications tension.
- the surface construction drop separation tension of the ink is No unusual Requires special reduced below the materials ink surfactants bubble threshold, required in Speed may be causing the ink to fabrication limited by egress from the High efficiency surfactant nozzle.
- Easy extension properties from single nozzles to pagewidth print heads Viscosity
- the ink viscosity is Simple Requires Silverbrook, EP 0771 reduction locally reduced to construction supplementary 658 A2 and related select which drops No unusual force to effect patent applications are to be ejected.
- a materials drop separation viscosity reduction required in Requires special can be achieved fabrication ink viscosity electrothermally Easy extension properties with most inks, but from single High speed is special inks can be nozzles to difficult to achieve engineered for a pagewidth print Requires 100:1 viscosity heads oscillating ink reduction.
- pressure A high temperature difference (typically 80 degrees) is required Acoustic An acoustic wave is Can operate Complex drive 1993 Hadimioglu et al, generated and without a nozzle circuitry EUP 550,192 focussed upon the plate Complex 1993 Elrod et al, EUP drop ejection region.
- fabrication prevention can be 09/113,083; 09/112,793; Small chip area difficult 09/112,794; 09/113,128; required for Pigmented inks 09/113,127; 09/112,756; each actuator may be infeasible, 09/112,755; 09/112,754; Fast operation as pigment 09/112,811; 09/112,812; High efficiency particles may jam 09/112,813; 09/112,814; CMOS the bend actuator 09/112,764; 09/112,765; compatible 09/112,767; 09/112,768 voltages and currents Standard MEMS processes can be used Easy extension from single nozzles to pagewidth print heads High CTE A material with a High force can Requires special USSN 09/112,778; thermo- very high coefficient be generated material (e.g.
- Actuator motions can be used include: Simple planar Bend fabrication Push Small chip area Buckle required for Rotate each actuator Fast operation High efficiency CMOS compatible voltages and currents Easy extension from single nozzles to pagewidth print heads Conduct- A polymer with a High force can Requires special USSN 09/113,083 ive high coefficient of be generated materials polymer thermal expansion Very low power development thermo- (such as PTFE) is consumption (High CTE elastic doped with Many ink types conductive actuator conducting can be used polymer) substances to Simple planar Requires a PTFE increase its fabrication deposition conductivity to Small chip area process, which is about 3 orders of required for not yet standard in magnitude below each actuator ULSI fabs that of copper.
- Simple planar Bend fabrication Push Small chip area Buckle required for Rotate each actuator Fast operation
- High efficiency CMOS compatible voltages and currents Easy extension from single nozzles to pagewidth print heads
- Conduct- A polymer with a High force can Requires special USSN 09/113,083 ive
- the Fast operation PTFE deposition conducting polymer High efficiency cannot be expands when CMOS followed with resistively heated. compatible high temperature Examples of voltages and (above 350° C.) conducting dopants currents processing include: Easy extension Evaporation and Carbon nanotubes from single CVD deposition Metal fibers nozzles to techniques cannot Conductive pagewidth print be used polymers such as heads Pigmented inks doped may be infeasible, polythiophene as pigment Carbon granules particles may jam the bend actuator Shape A shape memory High force is Fatigue limits USSN 09/113,122 memory alloy such as TiNi available maximum number alloy (also known as (stresses of of cycles Nitinol-Nickel hundreds of Low strain (1%) is Titanium alloy MPa) required to extend developed at the Large strain is fatigue resistance Naval Ordnance available (more Cycle rate limited Laboratory) is than 3%) by heat removal thermally switched High corrosion Requires unusual between its weak resistance materials (TiNi) martensitic state and Simple The latent heat of its high
- Linear Linear magnetic Linear Magnetic Requires unusual USSN 09/113,061 Magnetic actuators include the actuators can be semiconductor Actuator Linear Induction constructed with materials such as Actuator (LIA), high thrust, long soft magnetic Linear Permanent travel, and high alloys (e.g.
- LMSA Linear Reluctance fabrication permanent Synchronous techniques magnetic Actuator
- LRSA Linear Reluctance fabrication permanent Synchronous techniques magnetic Actuator
- LRSA Long actuator materials such as Linear Switched travel is Neodymium iron Reluctance Actuator available boron (NdFeB) (LSRA), and the Medium force is Requires complex Linear Stepper available multi-phase drive Actuator (LSA).
- Low voltage circuitry operation High current operation
- Selected drops are provide the Electrostatic field separated from the energy required may attract dust ink in the nozzle by to separate the a strong electric drop from the field.
- nozzle Magnetic The drops to be Very simple Requires Silverbrook, EP 0771 pull on ink printed are selected print head magnetic ink 658 A2 and related by some manner fabrication can Ink colors other patent applications (e.g. thermally be used than black are induced surface
- the drop difficult tension reduction of selection means Requires very pressurized ink). does not need to high magnetic Selected drops are provide the fields separated from the energy required ink in the nozzle by to separate the a strong magnetic drop from the field acting on the nozzle magnetic ink.
- the actuator moves High speed Moving parts are USSN 09/112,818; a shutter to block (>50 kHz) required 09/112,815; 09/112,808 ink flow to the operation can be Requires ink nozzle.
- the ink achieved due to pressure pressure is pulsed at reduced refill modulator a multiple of the time Friction and wear drop ejection Drop timing can must be frequency. be very accurate considered
- the actuator Stiction is energy can be possible very low Shuttered
- the actuator moves Actuators with Moving parts are USSN 09/113,066; grill a shutter to block small travel can required 09/112,772; 09/113,096; ink flow through a be used Requires ink 09/113,068 grill to the nozzle.
- Actuators with pressure The shutter small force can modulator movement need be used Friction and wear only be equal to the High speed must be width of the grill (>50 kHz) considered holes. operation can be Stiction is achieved possible Pulsed A pulsed magnetic Extremely low Requires an USSN 09/112,779 magnetic field attracts an ‘ink energy external pulsed pull on ink pusher’ at the drop operation is magnetic field pusher ejection frequency. possible Requires special An actuator controls No heat materials for both a catch, which dissipation the actuator and prevents the ink problems the ink pusher pusher from moving Complex when a drop is not construction to be ejected.
- the actuators be carefully 09/113,068; 09/112,808 selectively blocking may operate controlled or enabling nozzles. with much Acoustic
- the ink pressure lower energy reflections in the oscillation may be Acoustic lenses ink chamber achieved by can be used to must be designed vibrating the print focus the sound for head, or preferably on the nozzles by an actuator in the ink supply.
- the print head is Low power Precision Silverbrook, EP 0771 proximity placed in close High accuracy assembly 658 A2 and related proximity to the Simple print required patent applications print medium.
- head Paper fibers may Selected drops construction cause problems protrude from the Cannot print on print head further rough substrates than unselected drops, and contact the print medium. The drop soaks into the medium fast enough to cause drop separation.
- Transfer Drops are printed to High accuracy Bulky Silverbrook, EP 0771 roller a transfer roller Wide range of Expensive 658 A2 and related instead of straight to print substrates Complex patent applications the print medium.
- A can be used construction
- Tektronix hot melt transfer roller can Ink can be dried piezoelectric ink jet also be used for on the transfer Any of USSN proximity drop roller 09/112,751; 09/112,787; separation.
- a magnetic field is Low power Requires Silverbrook, EP 0771 magnetic used to accelerate Simple print magnetic ink 658 A2 and related field selected drops of head Requires strong patent applications magnetic ink construction magnetic field towards the print medium.
- Cross The print head is Does not Requires external USSN 09/113,099; magnetic placed in a constant require magnet 09/112,819 field magnetic field.
- the magnetic Current densities Lorenz force in a materials to be may be high, current carrying integrated in the resulting in wire is used to move print head electromigration the actuator. manufacturing problems process
- Pulsed A pulsed magnetic Very low power Complex print USSN 09/112,779 magnetic field is used to operation is head construction field cyclically attract a possible Magnetic paddle, which Small print head materials pushes on the ink.
- a size required in print small actuator head moves a catch, which selectively prevents the paddle from moving.
- the head area taken that the 09/113,096; 09/113,068; expansion may be materials do not 09/113,095; 09/112,808; thermal, delaminate 09/112,809; 09/112,780; piezoelectric, Residual bend 09/113,083; 09/112,793; magnetostrictive, or resulting from 09/113,128; 09/113,127; other mechanism.
- the actuator only Cancels residual responds to transient stress of heating of one side formation or the other. Reverse The actuator loads a Better coupling Fabrication USSN 09/113,097; spring spring. When the to the ink complexity 09/113,077 actuator is turned High stress in off, the spring the spring releases. This can reverse the force/distance curve of the actuator to make it compatible with the force/time requirements of the drop ejection.
- Non-contact method of motion transformation Coiled A bend actuator is Increases travel Generally USSN 09/112,815; actuator coiled to provide Reduces chip restricted to 09/112,808; 09/112,811; greater travel in a area planar 09/112,812 reduced chip area. Planar implementations implementations due to extreme are relatively fabrication easy to difficulty in fabricate. other orientations. Flexure A bend actuator has Simple means Care must be USSN 09/112,779; bend a small region near of increasing taken not to 09/113,068; 09/112,754 actuator the fixture point, travel of a bend exceed the which flexes much actuator elastic limit in more readily than the flexure area the remainder of the Stress actuator.
- Catch The actuator Very low Complex USSN 09/112,779 controls a small actuator energy construction catch. The catch Very small Requires either enables or actuator size external force disables movement Unsuitable for of an ink pusher that pigmented inks is controlled in a bulk manner. Gears Gears can be used to Low force, low Moving parts USSN 09/112,818 increase travel at the travel actuators are required expense of duration.
- Buckle A buckle plate can Very fast Must stay S. Hirata et al, “An Ink-jet plate be used to change a movement within elastic Head Using Diaphragm slow actuator into a achievable limits of the Microactuator”, Proc. fast motion. It can materials for IEEE MEMS, Feb. 1996, also convert a high long device life pp 418-423. force, low travel High stresses USSN 09/113,096; actuator into a high involved 09/112,793 travel, medium force Generally high motion.
- tapered magnetic Linearizes the Complex USSN 09/112,816 magnetic pole can increase magnetic construction pole travel at the expense force/distance of force.
- curve Lever A lever and fulcrum Matches low High stress USSN 09/112,755; is used to transform travel actuator around the 09/112,813; 09/112,814 a motion with small with higher fulcrum travel and high force travel into a motion with requirements longer travel and Fulcrum area lower force.
- the has no linear lever can also movement, and reverse the direction can be used for of travel.
- Rotary The actuator is High Complex USSN 09/112,794 impeller connected to a mechanical construction rotary impeller.
- impeller vanes Acoustic A refractive or No moving Large area 1993 Hadimioglu et al, lens diffractive (e.g. zone parts required EUP 550,192 plate) acoustic lens Only relevant 1993 Elrod et al, EUP is used to for acoustic ink 572,220 concentrate sound jets waves. Sharp A sharp point is Simple Difficult to Tone-jet conductive used to concentrate construction fabricate using point an electrostatic field.
- the volume of the Simple High energy is Hewlett-Packard Thermal expansion actuator changes, construction in typically Ink jet pushing the ink in the case of required to Canon Bubblejet all directions.
- thermal ink jet achieve volume expansion. This leads to thermal stress, cavitation, and kogation in thermal ink jet implementations Linear,
- the actuator moves Efficient High fabrication USSN 09/112,751; normal to in a direction normal coupling to ink complexity may 09/112,787; 09/112,803; chip to the print head drops ejected be required to 09/113,084; 09/113,077; surface surface.
- the nozzle normal to the achieve 09/112,816 is typically in the surface perpendicular line of movement.
- Motion Parallel to The actuator moves Suitable for Fabrication USSN 09/113,061; chip parallel to the print planar complexity 09/112,818; 09/112,772; surface head surface.
- Drop fabrication Friction 09/112,754; 09/112,811; ejection may still be Stiction 09/112,812; 09/112,813 normal to the surface.
- the actuator causes Rotary levers Device USSN 09/113,097; the rotation of some maybe used to complexity 09/113,066; 09/112,818; element, such a grill increase travel May have 09/112,794 or impeller Small chip area friction at a requirements pivot point Bend
- the actuator bends A very small Requires the 1970 Kyser et al USP when energized. change in actuator to be 3,946,398 This may be due to dimensions can made from at 1973 Stemme USP differential thermal be converted to least two 3,747,120 expansion, a large motion.
- the actuator is Can be used Requires careful USSN 09/113,122; normally bent, and with shape balance of 09/112,755 straightens when memory alloys stresses to energized. where the ensure that the austenic phase quiescent bend is planar is accurate Double
- the actuator bends One actuator Difficult to USSN 09/112,813; bend in one direction can be used to make the drops 09/112,814; 09/112,764 when one element is power two ejected by both energized, and nozzles. bend directions bends the other way Reduced chip identical. when another size. A small element is Not sensitive to efficiency loss energized. ambient compared to temperature equivalent single bend actuators.
- the actuator bows Can increase the Maximum USSN 09/112,819; (or buckles) in the speed of travel travel is 09/113,096; 09/112,793 middle when Mechanically constrained energized. rigid High force required Push-Pull Two actuators
- the structure is Not readily USSN 09/113,096 control a shutter. pinned at both suitable for ink One actuator pulls ends, so has a jets which the shutter, and the high out-of- directly push other pushes it.
- NOZZLE REFILL METHOD Description Advantages Disadvantages Examples Surface This is the normal Fabrication Low speed Thermal ink jet tension way that ink jets are simplicity Surface tension Piezoelectric ink jet refilled. After the Operational force relatively USSN-09/112,751; actuator is energized, simplicity small 09/113,084; 09/112,779; it typically returns compared to 09/112,816; 09/112,819; rapidly to its normal actuator force 09/113,095; 09/112,809; position.
- the ink is under a Drop selection Requires a Silverbrook, EP 0771 658 ink positive pressure, so and separation method (such A2 and related patent pressure that in the quiescent forces can be as a nozzle rim applications state some of the ink reduced or effective Possible operation of the drop already Fast refill time hydrophobizing, following: protrudes from the or both) to USSN 09/112,751; nozzle. prevent 09/112,787; 09/112,802; This reduces the flooding of the 09/112,803; 09/113,097; pressure in the ejection 09/113,099; 09/113,084; nozzle chamber surface of the 09/112,778; 09/112,779; which is required to print head.
- the refill rate is Design HP Thermal Ink Jet are placed in the not as restricted complexity Tektronix piezoelectric ink inlet ink flow.
- the actuator is method. fabrication energized, the rapid Reduces complexity ink movement crosstalk (e.g. Tektronix creates eddies which hot melt restrict the flow Piezoelectric through the inlet. print heads).
- the slower refill process is unrestricted, and does not result in eddies.
- the filter also process steps removes particles which may block the nozzle.
- Small inlet The ink inlet Design Restricts refill USSN 09/112,787; compared channel to the simplicity rate 09/112,814; 09/112,820 to nozzle nozzle chamber has May result in a a substantially relatively large smaller cross section chip area than that of the Only partially nozzle, resulting in effective easier ink egress out of the nozzle than out of the inlet.
- Inlet A secondary Increases speed Requires USSN 09/112,778 shutter actuator controls the of the ink-jet separate refill position of a shutter, print head actuator and closing off the ink operation drive circuit inlet when the main actuator is energized.
- the inlet is The method avoids Back-flow Requires USSN 09/112,751; located the problem of inlet problem is careful design 09/112,802; 09/113,097; behind the back-flow by eliminated to minimize 09/113,099; 09/113,084; ink- arranging the ink- the negative 09/112,779; 09/113,077; pushing pushing surface of pressure 09/112,816; 09/112,819; surface the actuator between behind the 09/112,809; 09/112,780; the inlet and the paddle 09/113,121; 09/112,794; nozzle.
- EP 0771 658 actuator configurations of problem is ink back-flow A2 and related patent does not ink jet, there is no eliminated on actuation applications result in expansion or Valve-jet ink back- movement of an Tone-jet flow actuator which may cause ink back-flow through the inlet.
- the nozzle firing is 09/113,095; 09/112,809; usually performed 09/112,780; 09/113,083; during a special 09/113,121; 09/113,122; clearing cycle, after 09/112,793; 09/112,794; first moving the 09/113,128; 09/113,127; print head to a 09/112,756; 09/112,755; cleaning station.
- Nozzle A microfabricated Can clear Accurate Silverbrook, EP 0771 658 clearing plate is pushed severely mechanical A2 and related patent plate against the nozzles. clogged nozzles alignment is applications
- the plate has a post required for every nozzle. A Moving parts post moves through are required each nozzle, There is risk of displacing dried ink. damage to the nozzles Accurate fabrication is required
- Ink The pressure of the May be Requires May be used with ink jets pressure ink is temporarily effective where pressure pump covered by USSN pulse increased so that ink other methods or other 09/112,751; 09/112,787; streams from all of cannot be used pressure 09/112,802; 09/112,803; the nozzles.
- This actuator 09/113,097; 09/113,099; may be used in Expensive 09/113,084; 09/113,066; conjunction with Wasteful of 09/112,778; 09/112,779; actuator energizing. ink 09/113,077; 09/113,061; 09/112,818; 09/112,816; 09/112,772; 09/112,819; 09/112,815; 09/113,096; 09/113,068; 09/113,095; 09/112,808; 09/112,809; 09/112,780; 09/113,083; 09/113,121; 09/113,122; 09/112,793; 09/112,794; 09/113,128; 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,7
- the blade is usually Low cost planar or very fabricated from a fragile flexible polymer, Requires e.g. rubber or mechanical synthetic elastomer. parts Blade can wear out in high volume print systems Separate A separate heater is Can be effective Fabrication Can be used with many ink ink boiling provided at the where other complexity jets covered by USSN heater nozzle although the nozzle clearing 09/112,751; 09/112,787; normal drop e- methods cannot 09/112,802; 09/112,803; ection mechanism be used 09/113,097; 09/113,099; does not require it.
- Electro- A nozzle plate is Fabrication High Hewlett Packard Thermal formed separately fabricated simplicity temperatures Ink jet nickel from electroformed and pressures nickel, and bonded are required to to the print head bond nozzle chip. plate Minimum thickness constraints Differential thermal expansion Laser Individual nozzle No masks Each hole must Canon Bubblejet ablated or holes are ablated by required be individually 1988 Sercel et al., SPIE, drilled an intense UV laser Can be quite formed Vol. 998 Excimer Beam polymer in a nozzle plate, fast Special Applications, pp.
- Nozzles may be clogged by adhesive Glass Fine glass No expensive Very small 1970 Zoltan USP capillaries capillaries are drawn equipment nozzle sizes 3,683,212 from glass tubing. required are difficult to This method has Simple to make form been used for single nozzles Not suited for making individual mass nozzles, but is production difficult to use for bulk manufacturing of print heads with thousands of nozzles.
- Monolithic The nozzle plate is High accuracy Requires Silverbrook, EP 0771 658 surface deposited as a layer ( ⁇ 1 ⁇ m) sacrificial layer A2 and related patent micro- using standard VLSI Monolithic under the applications machined deposition Low cost nozzle plate to USSN 09/112,751; using VLSI techniques.
- Nozzles Existing form the 09/112,787; 09/112,803; litho- are etched in the processes can nozzle 09/113,077; 09/113,061; graphic nozzle plate using be used chamber 09/112,815; 09/113,096; processes VLSI lithography Surface may 09/113,095; 09/112,809; and etching.
- the nozzle plate is a High accuracy Requires long USSN 09/112,802; etched buried etch stop in ( ⁇ 1 ⁇ m) etch times 09/113,097; 09/113,099; through the wafer.
- Nozzle Monolithic Requires a 09/113,084; 09/113,066; substrate chambers are etched Low cost support wafer 09/112,778; 09/112,779; in the front of the No differential 09/112,818; 09/112,816; wafer, and the wafer expansion 09/112,772; 09/112,819; is thinned from the 09/113,068; 09/112,808; back side.
- Nozzles 09/112,780; 09/113,121; are then etched in 09/113,122 the etch stop layer.
- Nozzle slit The elimination of No nozzles to Difficult to 1989 Saito et al instead of nozzle holes and become clogged control drop USP 4,799,068 individual replacement by a slit position nozzles encompassing many accurately actuator positions
- Crosstalk reduces nozzle problems clogging, but increases crosstalk due to ink surface waves
- Edge Ink flow is along the Simple Nozzles Canon Bubblejet 1979 (‘edge surface of the chip, construction limited to edge Endo et al GB patent shooter’) and ink drops are No silicon High 2,007,162 ejected from the etching required resolution is Xerox heater-in-pit 1990 chip edge.
- Methyl MEK is a highly Very fast Odorous USSN 09/112,751; Ethyl volatile solvent used drying Flammable 09/112,787; 09/112,802; Ketone for industrial printing Prints on 09/112,803; 09/113,097; (MEK) on difficult surfaces various 09/113,099; 09/113,084; such as aluminum substrates such 09/113,066; 09/112,778; cans.
- Hot melt inks print medium Printed pages USSN 09/112,751; are usually wax Almost any may ‘block’ 09/112,787; 09/112,802; based, with a melting print medium Ink 09/112,803; 09/113,097; point around 80° C.
- microemulsion is a Stops ink bleed Viscosity USSN 09/112,751; emulsion stable, self forming High dye higher than 09/112,787; 09/112,802; emulsion of oil, solubility water 09/112,803; 09/113,097; water, and
- Water, oil, and Cost is slightly 09/113,099; 09/113,084;
- the characteristic amphiphilic higher than 09/113,066; 09/112,778; drop size is less than soluble dies water based 09/112,779; 09/113,077; 100 nm, and is can be used ink 09/113,061; 09/112,818; determined by the Can stabilize High surfactant 09/112,816; 09/112,772; preferred curvature of pigment concentration 09/112,819; 09/112,815; the surfactant.
Abstract
This patent describes an alternative form for the automatic creation of garments. The garment creation system includes mapping portions of an arbitrary image sensed by an image sensor device onto a garment and outputting a depiction of the garment. Additionally, a garment fabric printer is adapted to to print out corresponding pieces of the garment including the mapped portions. The printing can include printing out instructions for joining the pieces together on the fabric and printing such that joined pieces of fabric appear to be derived from a continuous pattern.
Description
- Continuation Application of U.S. Ser. No. 09/112,759 filed on Jul. 10, 1998
- The following co-pending US patent applications, identified by their US patent application serial numbers (USSN), were filed simultaneously to the present application on Jul. 10, 1998, and are hereby incorporated by cross-reference: Ser. Nos. 09/113,060; 09/113,070; 09/113,073; 09/112,748; 09/112,747; 09/112,776; 09/112,750; 09/112,746; 09/112,743; 09/112,742; 09/112,741; 09/112,740; 09/112,739; 09/113,053; 09/112,738; 09/113,067; 09/113,063; 09/113,069; 09/112,744; 09/113,058; 09/112,777; 09/113,224; 09/112,804; 09/112,805; 09/113,072; 09/112,785; 09/112,797; 09/112,796; 09/113,071; 09/112,824; 09/113,090; 09/112,823; 09/113,222; 09/112,786; 09/113,051; 09/112,782; 09/113,056; 09/113,059; 09/113,091; 09/112,753; 09/113,055; 09/113,057; 09/113,054; 09/112,752; 09/112,759; 09/112,757; 09/112,758; 09/113,107; 09/112,829; 09/112,792; 09/112,791; 09/112,790; 09/112,789; 09/112,788; 09/112,795; 09/112,749; 09/112,784; 09/112,783; 09/112,763; 09/112,762; 09/112,737; 09/112,761; 09/113,223; 09/112,781; 09/113,052; 09/112,834; 09/113,103; 09/113,101; 09/112,751; 09/112,787; 09/112,802; 09/112,803; 09/113,097; 09/113,099; 09/113,084; 09/113,066; 09/112,778; 09/112,779; 09/113,077; 09/113,061; 09/112,818; 09/112,816; 09/112,772; 09/112,819; 09/112,815; 09/113,096; 09/113,068; 09/113,095; 09/112,808; 09/112,809; 09/112,780; 09/113,083; 09/113,121; 09/113,122; 09/112,793; 09/112,794; 09/113,128; 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821; 09/112,822; 09/112,825; 09/112,826; 09/112,827; 09/112,828; 09/113,111; 09/113,108; 09/113,109; 09/113,123; 09/113,114; 09/113,115; 09/113,129; 09/113,124; 09/113,125; 09/113,126; 09/113,119; 09/113,120; 09/113,221; 09/113,116; 09/113,118; 09/113,117; 09/113,113; 09/113,130; 09/113,110; 09/113,112; 09/113,087; 09/113,074; 09/113,089; 09/113,088; 09/112,771; 09/112,769; 09/112,770; 09/112,817; 09/113,076; 09/112,798; 09/112,801; 09/112,800; 09/112,799; 09/113,098; 09/112,833; 09/112,832; 09/112,831; 09/112,830; 09/112,836; 09/112,835; 09/113,102; 09/113,106; 09/113,105; 09/113,104; 09/112,810; 09/112,766; 09/113,085; 09/113,086; 09/113,094; 09/112,760; 09/112,773; 09/112,774; 09/112,775; 09/112,745; 09/113,092; 09/113,100; 09/113,093; 09/113,062; 09/113,064; 09/113,082; 09/113,081; 09/113,080; 09/113,079; 09/113,065; 09/113,078; 09/113,075.
- Not applicable.
- The present invention relates to an image processing method and apparatus and, in particular, discloses a Garment Design and Printing System.
- The present invention further relates to the creation of fabrics and garments utilising automated apparatuses.
- A number of creative judgements are made when any garment is created. Firstly, there is the shape and styling of the garment and additionally, there is the fabric colours and style. Often, a fashion designer will try many different alternatives and may even attempt to draw the final fashion product before creating the finished garment.
- Such a process is generally unsatisfactory in providing a rapid and flexible turn around of the garments and also providing rapid judgement of the final appearance of a fashion product on a person.
- It is an object of the present invention to provide an alternative form for analysing the look of garments and for their creation. A further object of the present invention is to provide for automatic fabric creation.
- In accordance with the first aspect of the present invention there is provided A garment creation system comprising:
- an expected image creation system including an image sensor device and an image display device, said image creation system mapping portions of an arbitrary image sensed by said image sensor device onto a garment and outputting on said display device a depiction of said garment;
- a garment fabric printer adapted to be interconnected to said image creation system for printing out corresponding pieces of said garment including said mapped portions.
- Notwithstanding any other forms which may fall within the scope of the present invention, preferred forms of the invention will now be described, by way of example only, with reference to the accompanying drawings which:
- FIG. 1 illustrates the basic operation of an Artcam device;
- FIG. 2 illustrates a series of Artcards for use with the preferred embodiment;
- FIG. 3 is a flow diagram of the algorithm utilised by the preferred embodiment; and
- FIG. 4 is a schematic illustration of the outputting of printed fabrics produced in accordance with the present invention.
- The preferred embodiment is preferably implemented through suitable programming of a hand held camera device such as that described in co-pending U.S. patent application Ser. No. 09/113,060 entitled “Digital Instant Printing Camera with Image Processing Capability” (Docket ARTO1) filed concurrently herewith by the present applicant the content of which is hereby specifically incorporated by cross reference.
- The aforementioned patent specification discloses a camera system, hereinafter known as an “Artcam” type camera, wherein sensed images can be directly printed out by an Artcam portable camera unit. Further, the aforementioned specification discloses means and methods for performing various manipulations on images captured by the camera sensing device leading to the production of various effects in an output image. The manipulations are disclosed to be highly flexible in nature and can be implemented through the insertion into the Artcam of cards having encoded thereon various instructions for the manipulation of images, the cards hereinafter being known as Artcards. The Artcam further has significant onboard processing power provided by an Artcam Central Processor unit (ACP) which is interconnected to a memory device for the storage of important data and images.
- The aforementioned patent specification discloses an Artcam system as indicated1 in FIG. 1. The Artcam
system 1 relies on an Artcam 2 which takes Artcards 3 as an input. The Artcard 3 includes encoded information for manipulation of animage scene 4 so as to produce an output photo 5 which contains substantial manipulation in accordance with the instruction of Artcard 3. The Artcards 3 are designed to be extremely inexpensive and contain on one surface the encoding information and on the other surface a depiction of the likely effect which will be produced by the Artcard 3 when inserted in Artcam 2. - In accordance with the method of the preferred embodiment, as shown in FIG. 2, a large number of Artcards3 are prepared and distributed in
packs 10. Eachpack 10 relates to clothing wear of a specific size and includes images eg. 11 of models havingclothing apparel 12 on to which an image captured by the camera will be mapped. The mapping can be to different items of apparel on different Artcards 3. One form of mapping algorithm is as illustrated 20 in FIG. 3 wherein theinput image 4 is first warped 21 utilising a warp map which maps the image to a repeating tiling pattern that produces attractive warping effects. Of course, many other forms of algorithms could be provided for producing an attractive form of material with the algorithm being provided on Artcard 3 (FIG. 1). - Next, a
second warp 22 is provided for warping the output offirst warp map 21 onto the specific model image in the Artcard. Therefore,warp 22 will be Artcard specific. The result can then beoutput 23 for printing as an art photo 5. Hence, a user is able to point an Artcam 2 at adesign image 4 and produce art photo 5 which has a manipulated version of the image based upon a model's item of fashion apparel or garment. This process can be continued until a desirable result is produced. - Next, as indicated in FIG. 4, when a final selection has been made, the Artcam2 can be connected by its USB port, as illustrated at 30, to a
fabric printer 34 which can comprise an ink jet fabric printer and associated drive controller electronics etc. Either the Artcam 2 or theinkjet printer 34 can be programmed to print out onfabric 35 the garment pieces eg. 36 having on thesurface 37 thereof the original warped image so as to produce a garment corresponding to that depicted by the model on the Artcard. - The output fabric can include tab portions eg.38 for alignment and border regions eg. 39 in addition to
instructions 40 for joining the garment pieces together. Preferably, the output program includes providing for warp matching of border regions so as to present a continuous appearance on the garment cross seams. Additionally, a user interface could be provided for utilising the same Artcard with many different output sizes so as to taken into account different shaped bodies. By utilisation of Artcam technology, a system can be provided for customised production of garments and rapid depiction of the likely results by means of utilisation of the Artcamdevice 2. - It would be appreciated by a person skilled in the art that numerous variations and/or modifications may be made to the present invention as shown in the specific embodiment without departing from the spirit or scope of the invention as broadly described. The present embodiment is, therefore, to be considered in all respects to be illustrative and not restrictive.
- Ink Jet Technologies
- The embodiments of the invention use an ink jet printer type device. Of course many different devices could be used. However presently popular ink jet printing technologies are unlikely to be suitable.
- The most significant problem with thermal ink jet is power consumption. This is approximately 100 times that required for high speed, and stems from the energy-inefficient means of drop ejection. This involves the rapid boiling of water to produce a vapor bubble which expels the ink. Water has a very high heat capacity, and must be superheated in thermal ink jet applications. This leads to an efficiency of around 0.02%, from electricity input to drop momentum (and increased surface area) out.
- The most significant problem with piezoelectric ink jet is size and cost. Piezoelectric crystals have a very small deflection at reasonable drive voltages, and therefore require a large area for each nozzle. Also, each piezoelectric actuator must be connected to its drive circuit on a separate substrate. This is not a significant problem at the current limit of around 300 nozzles per print head, but is a major impediment to the fabrication of pagewidth print heads with 19,200 nozzles.
- Ideally, the ink jet technologies used meet the stringent requirements of in-camera digital color printing and other high quality, high speed, low cost printing applications. To meet the requirements of digital photography, new inkjet technologies have been created. The target features include:
- low power (less than 10 Watts)
- high resolution capability (1,600 dpi or more)
- photographic quality output
- low manufacturing cost
- small size (pagewidth times minimum cross section)
- high speed (<2 seconds per page).
- All of these features can be met or exceeded by the ink jet systems described below with differing levels of difficulty. Forty-five different ink jet technologies have been developed by the Assignee to give a wide range of choices for high volume manufacture. These technologies form part of separate applications assigned to the present Assignee as set out in the list under the heading Cross References to Related Applications.
- The ink jet designs shown here are suitable for a wide range of digital printing systems, from battery powered one-time use digital cameras, through to desktop and network printers, and through to commercial printing systems
- For ease of manufacture using standard process equipment, the print head is designed to be a monolithic 0.5 micron CMOS chip with MEMS post processing. For color photographic applications, the print head is 100 mm long, with a width which depends upon the ink jet type. The smallest print head designed is covered in U.S. patent application Ser. No. 09/112,764, which is 0.35 mm wide, giving a chip area of 35 square mm. The print heads each contain 19,200 nozzles plus data and control circuitry.
- Ink is supplied to the back of the print head by injection molded plastic ink channels. The molding requires 50 micron features, which can be created using a lithographically micromachined insert in a standard injection molding tool. Ink flows through holes etched through the wafer to the nozzle chambers fabricated on the front surface of the wafer. The print head is connected to the camera circuitry by tape automated bonding.
- Tables of Drop-on-Demand Ink Jets
- The present invention is useful in the field of digital printing, in particular, ink jet printing. A number of patent applications in this field were filed simultaneously and incorporated by cross reference.
- Eleven important characteristics of the fundamental operation of individual ink jet nozzles have been identified. These characteristics are largely orthogonal, and so can be elucidated as an eleven dimensional matrix. Most of the eleven axes of this matrix include entries developed by the present assignee.
- The following tables form the axes of an eleven dimensional table of ink jet types.
- Actuator mechanism (18 types)
- Basic operation mode (7 types)
- Auxiliary mechanism (8 types)
- Actuator amplification or modification method (17 types)
- Actuator motion (19 types)
- Nozzle refill method (4 types)
- Method of restricting back-flow through inlet (10 types)
- Nozzle clearing method (9 types)
- Nozzle plate construction (9 types)
- Drop ejection direction (5 types)
- Ink type (7 types)
- The complete eleven dimensional table represented by these axes contains 36.9 billion possible configurations of inkjet nozzle. While not all of the possible combinations result in a viable ink jet technology, many million configurations are viable. It is clearly impractical to elucidate all of the possible configurations. Instead, certain ink jet types have been investigated in detail. Forty-five such inkjet types were filed simultaneously to the present application.
- Other ink jet configurations can readily be derived from these forty-five examples by substituting alternative configurations along one or more of the 11 axes. Most of the forty-five examples can be made into ink jet print heads with characteristics superior to any currently available ink jet technology.
- Where there are prior art examples known to the inventor, one or more of these examples are listed in the examples column of the tables below. The simultaneously filed patent applications by the present applicant are listed by USSN numbers. In some cases, a print technology may be listed more than once in a table, where it shares characteristics with more than one entry.
- Suitable applications for the ink jet technologies include: Home printers, Office network printers, Short run digital printers, Commercial print systems, Fabric printers, Pocket printers, Internet WWW printers, Video printers, Medical imaging, Wide format printers, Notebook PC printers, Fax machines, Industrial printing systems, Photocopiers, Photographic minilabs etc.
- The information associated with the aforementioned 11 dimensional matrix are set out in the following tables.
ACTUATOR MECHANISM (APPLIED ONLY TO SELECTED INK DROPS) Description Advantages Disadvantages Examples Thermal An electrothermal Large force High power Canon Bubblejet 1979 bubble heater heats the ink generated Ink carrier limited Endo et al GB patent to above boiling Simple to water 2,007,162 point, transferring construction Low efficiency Xerox heater-in-pit significant heat to No moving High temperatures 1990 Hawkins et al the aqueous ink. A parts required USP 4,899,181 bubble nucleates Fast operation High mechanical Hewlett-Packard TIJ and quickly forms, Small chip area stress 1982 Vaught et al USP expelling the ink. required for Unusual materials 4,490,728 The efficiency of the actuator required process is low, with Large drive typically less than transistors 0.05% of the Cavitation causes electrical energy actuator failure being transformed Kogation reduces into kinetic energy bubble formation of the drop. Large print heads are difficult to fabricate Piezo- A piezoelectric Low power Very large area Kyser et al USP electric crystal such as lead consumption required for 3,946,398 lanthanum zirconate Many ink types actuator Zoltan USP 3,683,212 (PZT) is electrically can be used Difficult to 1973 Stemme USP activated, and either Fast operation integrate with 3,747,120 expands, shears, or High efficiency electronics Epson Stylus bends to apply High voltage drive Tektronix pressure to the ink, transistors USSN 09/112,803 ejecting drops. required Full pagewidth print heads impractical due to actuator size Requires electrical poling in high field strengths during manufacture Electro- An electric field is Low power Low maximum Seiko Epson, Usui et all strictive used to activate consumption strain (approx. JP 253401/96 electrostriction in Many ink types 0.01%) USSN 09/112,803 relaxor materials can be used Large area such as lead Low thermal required for lanthanum zirconate expansion actuator due to titanate (PLZT) or Electric field low strain lead magnesium strength Response speed is niobate (PMN). required marginal (˜10 μs) (approx. 3.5 High voltage drive V/μm) can be transistors generated required without Full pagewidth difficulty print heads Does not impractical due to require actuator size electrical poling Ferro- An electric field is Low power Difficult to USSN 09/112,803 electric used to induce a consumption integrate with phase transition Many ink types electronics between the can be used Unusual materials antiferroelectric Fast operation such as PLZSnT (AFE) and (<1 μs) are required ferroelectric (FE) Relatively high Actuators require phase. Perovskite longitudinal a large area materials such as tin strain modified lead High efficiency lanthanum zirconate Electric field titanate (PLZSnT) strength of exhibit large strains around 3 V/μm of up to 1% can be readily associated with the provided AFE to FE phase transition. Electro- Conductive plates Low power Difficult to USSN 09/112,787; static are separated by a consumption operate 09/112,803 plates compressible or Many ink types electrostatic fluid dielectric can be used devices in an (usually air). Upon Fast operation aqueous application of a environment voltage, the plates The electrostatic attract each other actuator will and displace ink, normally need to causing drop be separated from ejection. The the ink conductive plates Very large area may be in a comb or required to honeycomb achieve high structure, or stacked forces to increase the High voltage drive surface area and transistors may be therefore the force. required Full pagewidth print heads are not competitive due to actuator size Electro- A strong electric Low current High voltage 1989 Saito et al, USP static pull field is applied to consumption required 4,799,068 on ink the ink, whereupon Low May be damaged 1989 Miura et al, USP electrostatic temperature by sparks due to 4,810,954 attraction air breakdown Tone-jet accelerates the ink Required field towards the print strength increases medium. as the drop size decreases High voltage drive transistors required Electrostatic field attracts dust Permanent An electromagnet Low power Complex USSN 09/113,084; magnet directly attracts a consumption fabrication 09/112,779 electro- permanent magnet, Many ink types Permanent magnetic displacing ink and can be used magnetic material causing drop Fast operation such as ejection. Rare earth High efficiency Neodymium Iron magnets with a field Easy extension Boron (NdFeB) strength around 1 from single required. Tesla can be used. nozzles to High local Examples are: pagewidth print currents required Samarium Cobalt heads Copper (SaCo) and metalization magnetic materials should be used for in the neodymium long iron boron family electromigration (NdFeB, lifetime and low NdDyFeBNb, resistivity NdDyFeB, etc) Pigmented inks are usually infeasible Operating temperature limited to the Curie temperature (around 540 K) Soft A solenoid induced Low power Complex USSN 09/112,751; magnetic a magnetic field in a consumption fabrication 09/113,097; 09/113,066; core soft magnetic core Many ink types Materials not 09/112,779; 09/113,061; electro- or yoke fabricated can be used usually present in 09/112,816; 09/112,772; magnetic from a ferrous Fast operation a CMOS fab such 09/112,815 material such as High efficiency as NiFe, CoNiFe, electroplated iron Easy extension or CoFe are alloys such as from single required CoNiFe [1], CoFe, nozzles to High local or NiFe alloys. pagewidth print currents required Typically, the soft heads Copper magnetic material is metalization in two parts, which should be used for are normally held long apart by a spring. electromigration When the solenoid lifetime and low is actuated, the two resistivity parts attract, Electroplating is displacing the ink. required High saturation flux density is required (2.0-2.1 T is achievable with CoNiFe [1]) Lorenz The Lorenz force Low power Force acts as a USSN 09/113,099; force acting on a current consumption twisting motion 09/113,077; 09/112,818; carrying wire in a Many ink types Typically, only a 09/112,819 magnetic field is can be used quarter of the utilized. Fast operation solenoid length This allows the High efficiency provides force in a magnetic field to be Easy extension useful direction supplied externally from single High local to the print head, for nozzles to currents required example with rare pagewidth print Copper earth permanent heads metalization magnets. should be used for Only the current long carrying wire need electromigration be fabricated on the lifetime and low print-head, resistivity simplifying Pigmented inks materials are usually requirements. infeasible Magneto- The actuator uses Many ink types Force acts as a Fischenbeck, USP striction the giant can be used twisting motion 4,032,929 magnetostrictive Fast operation Unusual materials USSN 09/113,121 effect of materials Easy extension such as Terfenol- such as Terfenol-D from single D are required (an alloy of terbium, nozzles to High local dysprosium and iron pagewidth print currents required developed at the heads Copper Naval Ordnance High force is metalization Laboratory, hence available should be used for Ter-Fe-NOL). For long best efficiency, the electromigration actuator should be lifetime and low pre-stressed to resistivity approx. 8 MPa. Pre-stressing may be required Surface Ink under positive Low power Requires Silverbrook, EP 0771 tension pressure is held in a consumption supplementary 658 A2 and related reduction nozzle by surface Simple force to effect patent applications tension. The surface construction drop separation tension of the ink is No unusual Requires special reduced below the materials ink surfactants bubble threshold, required in Speed may be causing the ink to fabrication limited by egress from the High efficiency surfactant nozzle. Easy extension properties from single nozzles to pagewidth print heads Viscosity The ink viscosity is Simple Requires Silverbrook, EP 0771 reduction locally reduced to construction supplementary 658 A2 and related select which drops No unusual force to effect patent applications are to be ejected. A materials drop separation viscosity reduction required in Requires special can be achieved fabrication ink viscosity electrothermally Easy extension properties with most inks, but from single High speed is special inks can be nozzles to difficult to achieve engineered for a pagewidth print Requires 100:1 viscosity heads oscillating ink reduction. pressure A high temperature difference (typically 80 degrees) is required Acoustic An acoustic wave is Can operate Complex drive 1993 Hadimioglu et al, generated and without a nozzle circuitry EUP 550,192 focussed upon the plate Complex 1993 Elrod et al, EUP drop ejection region. fabrication 572,220 Low efficiency Poor control of drop position Poor control of drop volume Thermo- An actuator which Low power Efficient aqueous USSN 09/112,802; elastic relies upon consumption operation requires 09/112,778; 09/112,815; bend differential thermal Many ink types a thermal insulator 09/113,096; 09/113,068; actuator expansion upon can be used on the hot side 09/113,095; 09/112,808; Joule heating is Simple planar Corrosion 09/112,809; 09/112,780; used. fabrication prevention can be 09/113,083; 09/112,793; Small chip area difficult 09/112,794; 09/113,128; required for Pigmented inks 09/113,127; 09/112,756; each actuator may be infeasible, 09/112,755; 09/112,754; Fast operation as pigment 09/112,811; 09/112,812; High efficiency particles may jam 09/112,813; 09/112,814; CMOS the bend actuator 09/112,764; 09/112,765; compatible 09/112,767; 09/112,768 voltages and currents Standard MEMS processes can be used Easy extension from single nozzles to pagewidth print heads High CTE A material with a High force can Requires special USSN 09/112,778; thermo- very high coefficient be generated material (e.g. 09/112,815; 09/113,096; elastic of thermal Three methods PTFE) 09/113,095; 09/112,808; actuator expansion (CTE) of PTFE Requires a PTFE 09/112,809; 09/112,780; such as deposition are deposition 09/113,083; 09/112,793; polytetrafluoroethyl- under process, which is 09/112,794; 09/113,128; ene (PTFE) is used. development: not yet standard in 09/113,127; 09/112,756; As high CTE chemical vapor ULSI fabs 09/112,807; 09/112,806; materials are usually deposition PTFE deposition 09/112,820 non-conductive, a (CVD), spin cannot be heater fabricated coating, and followed with from a conductive evaporation high temperature material is PTFE is a (above 350° C.) incorporated. A 50 candidate for processing μm long PTFE bend low dielectric Pigmented inks actuator with constant may be infeasible, polysilicon heater insulation in as pigment and 15 mW power ULSI particles may jam input can provide Very low power the bend actuator 180 μN force and 10 consumption μm deflection. Many ink types Actuator motions can be used include: Simple planar Bend fabrication Push Small chip area Buckle required for Rotate each actuator Fast operation High efficiency CMOS compatible voltages and currents Easy extension from single nozzles to pagewidth print heads Conduct- A polymer with a High force can Requires special USSN 09/113,083 ive high coefficient of be generated materials polymer thermal expansion Very low power development thermo- (such as PTFE) is consumption (High CTE elastic doped with Many ink types conductive actuator conducting can be used polymer) substances to Simple planar Requires a PTFE increase its fabrication deposition conductivity to Small chip area process, which is about 3 orders of required for not yet standard in magnitude below each actuator ULSI fabs that of copper. The Fast operation PTFE deposition conducting polymer High efficiency cannot be expands when CMOS followed with resistively heated. compatible high temperature Examples of voltages and (above 350° C.) conducting dopants currents processing include: Easy extension Evaporation and Carbon nanotubes from single CVD deposition Metal fibers nozzles to techniques cannot Conductive pagewidth print be used polymers such as heads Pigmented inks doped may be infeasible, polythiophene as pigment Carbon granules particles may jam the bend actuator Shape A shape memory High force is Fatigue limits USSN 09/113,122 memory alloy such as TiNi available maximum number alloy (also known as (stresses of of cycles Nitinol-Nickel hundreds of Low strain (1%) is Titanium alloy MPa) required to extend developed at the Large strain is fatigue resistance Naval Ordnance available (more Cycle rate limited Laboratory) is than 3%) by heat removal thermally switched High corrosion Requires unusual between its weak resistance materials (TiNi) martensitic state and Simple The latent heat of its high stiffness construction transformation austenic state. The Easy extension must be provided shape of the actuator from single High current in its martensitic nozzles to operation state is deformed pagewidth print Requires pre- relative to the heads stressing to distort austenic shape. The Low voltage the martensitic shape change causes operation state ejection of a drop. Linear Linear magnetic Linear Magnetic Requires unusual USSN 09/113,061 Magnetic actuators include the actuators can be semiconductor Actuator Linear Induction constructed with materials such as Actuator (LIA), high thrust, long soft magnetic Linear Permanent travel, and high alloys (e.g. Magnet efficiency using CoNiFe) Synchronous planar Some varieties Actuator (LPMSA), semiconductor also require Linear Reluctance fabrication permanent Synchronous techniques magnetic Actuator (LRSA), Long actuator materials such as Linear Switched travel is Neodymium iron Reluctance Actuator available boron (NdFeB) (LSRA), and the Medium force is Requires complex Linear Stepper available multi-phase drive Actuator (LSA). Low voltage circuitry operation High current operation -
BASIC OPERATION MODE Description Advantages Disadvantages Examples Actuator This is the simplest Simple Drop repetition Thermal ink jet directly mode of operation: operation rate is usually Piezoelectric ink jet pushes ink the actuator directly No external limited to around USSN 09/112,751; supplies sufficient fields required 10 kHz. 09/112,787; 09/112,802; kinetic energy to Satellite drops However, this is 09/112,803; 09/113,097; expel the drop. The can be avoided not fundamental 09/113,099; 09/113,084; drop must have a if drop velocity to the method, 09/112,778; 09/113,077; sufficient velocity to is less than 4 but is related to 09/113,061; 09/112,816; overcome the m/s the refill method 09/112,819; 09/113,095; surface tension. Can be efficient, normally used 09/112,809; 09/112,780; depending upon All of the drop 09/113,083; 09/113,121; the actuator kinetic energy 09/113,122; 09/112,793; used must be provided 09/112,794; 09/113,128; by the actuator 09/113,127; 09/112,756; Satellite drops 09/112,755; 09/112,754; usually form if 09/112,811; 09/112,812; drop velocity is 09/112,813; 09/112,814; greater than 4.5 09/112,764; 09/112,765; m/s 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820 Proximity The drops to be Very simple Requires close Silverbrook, EP 0771 printed are selected print head proximity 658 A2 and related by some manner fabrication can between the print patent applications (e.g. thermally be used head and the induced surface The drop print media or tension reduction of selection means transfer roller pressurized ink). does not need to May require two Selected drops are provide the print heads separated from the energy required printing alternate ink in the nozzle by to separate the rows of the contact with the drop from the image print medium or a nozzle Monolithic color transfer roller. print heads are difficult Electro- The drops to be Very simple Requires very Silverbrook, EP 0771 static pull printed are selected print head high electrostatic 658 A2 and related on ink by some manner fabrication can field patent applications (e.g. thermally be used Electrostatic field Tone-Jet induced surface The drop for small nozzle tension reduction of selection means sizes is above air pressurized ink). does not need to breakdown Selected drops are provide the Electrostatic field separated from the energy required may attract dust ink in the nozzle by to separate the a strong electric drop from the field. nozzle Magnetic The drops to be Very simple Requires Silverbrook, EP 0771 pull on ink printed are selected print head magnetic ink 658 A2 and related by some manner fabrication can Ink colors other patent applications (e.g. thermally be used than black are induced surface The drop difficult tension reduction of selection means Requires very pressurized ink). does not need to high magnetic Selected drops are provide the fields separated from the energy required ink in the nozzle by to separate the a strong magnetic drop from the field acting on the nozzle magnetic ink. Shutter The actuator moves High speed Moving parts are USSN 09/112,818; a shutter to block (>50 kHz) required 09/112,815; 09/112,808 ink flow to the operation can be Requires ink nozzle. The ink achieved due to pressure pressure is pulsed at reduced refill modulator a multiple of the time Friction and wear drop ejection Drop timing can must be frequency. be very accurate considered The actuator Stiction is energy can be possible very low Shuttered The actuator moves Actuators with Moving parts are USSN 09/113,066; grill a shutter to block small travel can required 09/112,772; 09/113,096; ink flow through a be used Requires ink 09/113,068 grill to the nozzle. Actuators with pressure The shutter small force can modulator movement need be used Friction and wear only be equal to the High speed must be width of the grill (>50 kHz) considered holes. operation can be Stiction is achieved possible Pulsed A pulsed magnetic Extremely low Requires an USSN 09/112,779 magnetic field attracts an ‘ink energy external pulsed pull on ink pusher’ at the drop operation is magnetic field pusher ejection frequency. possible Requires special An actuator controls No heat materials for both a catch, which dissipation the actuator and prevents the ink problems the ink pusher pusher from moving Complex when a drop is not construction to be ejected. -
AUXILIARY MECHANISM (APPLIED TO ALL NOZZLES) Description Advantages Disadvantages Examples None The actuator directly Simplicity of Drop ejection Most ink jets, including fires the ink drop, construction energy must be piezoelectric and thermal and there is no Simplicity of supplied by bubble. external field or operation individual nozzle USSN 09/112,751; other mechanism Small physical actuator 09/112,787; 09/112,802; required. size 09/112,803; 09/113,097; 09/113,084; 09/113,078; 09/113,077; 09/113,061; 09/112,816; 09/113,095; 09/112,809; 09/112,780; 09/113,083; 09/113,121; 09/113,122; 09/112,793; 09/112,794; 09/113,128; 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820 Oscillating The ink pressure Oscillating ink Requires external Silverbrook, EP 0771 ink oscillates, providing pressure can ink pressure 658 A2 and related pressure much of the drop provide a refill oscillator patent applications (including ejection energy. The pulse, allowing Ink pressure USSN 09/113,066; acoustic actuator selects higher operating phase and 09/112,818; 09/112,772; stimula- which drops are to speed amplitude must 09/112,815; 09/113,096; tion) be fired by The actuators be carefully 09/113,068; 09/112,808 selectively blocking may operate controlled or enabling nozzles. with much Acoustic The ink pressure lower energy reflections in the oscillation may be Acoustic lenses ink chamber achieved by can be used to must be designed vibrating the print focus the sound for head, or preferably on the nozzles by an actuator in the ink supply. Media The print head is Low power Precision Silverbrook, EP 0771 proximity placed in close High accuracy assembly 658 A2 and related proximity to the Simple print required patent applications print medium. head Paper fibers may Selected drops construction cause problems protrude from the Cannot print on print head further rough substrates than unselected drops, and contact the print medium. The drop soaks into the medium fast enough to cause drop separation. Transfer Drops are printed to High accuracy Bulky Silverbrook, EP 0771 roller a transfer roller Wide range of Expensive 658 A2 and related instead of straight to print substrates Complex patent applications the print medium. A can be used construction Tektronix hot melt transfer roller can Ink can be dried piezoelectric ink jet also be used for on the transfer Any of USSN proximity drop roller 09/112,751; 09/112,787; separation. 09/112,802; 09/112,803; 09/113,097; 09/113,099; 09/113,084; 09/113,066; 09/112,778; 09/112,779; 09/113,077; 09/113,061; 09/112,818; 09/112,816; 09/112,772; 09/112,819; 09/112,815; 09/113,096; 09/113,068; 09/113,095; 09/112,808; 09/112,809; 09/112,780; 09/113,083; 09/113,121; 09/113,122; 09/112,793; 09/112,794; 09/113,128; 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821 Electro- An electric field is Low power Field strength Silverbrook, EP 0771 static used to accelerate Simple print required for 658 A2 and related selected drops head separation of patent applications towards the print construction small drops is Tone-Jet medium. near or above air breakdown Direct A magnetic field is Low power Requires Silverbrook, EP 0771 magnetic used to accelerate Simple print magnetic ink 658 A2 and related field selected drops of head Requires strong patent applications magnetic ink construction magnetic field towards the print medium. Cross The print head is Does not Requires external USSN 09/113,099; magnetic placed in a constant require magnet 09/112,819 field magnetic field. The magnetic Current densities Lorenz force in a materials to be may be high, current carrying integrated in the resulting in wire is used to move print head electromigration the actuator. manufacturing problems process Pulsed A pulsed magnetic Very low power Complex print USSN 09/112,779 magnetic field is used to operation is head construction field cyclically attract a possible Magnetic paddle, which Small print head materials pushes on the ink. A size required in print small actuator head moves a catch, which selectively prevents the paddle from moving. -
Description Advantages Disadvantages Examples ACTUATOR AMPLIFICATION OR MODIFICATION METHOD None No actuator Operational Many actuator Thermal Bubble Ink jet mechanical simplicity mechanisms USSN 09/112,751; amplification is have 09/112,787; 09/113,099; used. The actuator insufficient 09/113,084; 09/112,819; directly drives the travel, or 09/113,121; 09/113,122 drop ejection insufficient process. force, to efficiently drive the drop ejection process Differential An actuator material Provides greater High stresses Piezoelectric expansion expands more on travel in a are involved USSN 09/112,802; bend one side than on the reduced print Care must be 09/112,778; 09/112,815; actuator other. The head area taken that the 09/113,096; 09/113,068; expansion may be materials do not 09/113,095; 09/112,808; thermal, delaminate 09/112,809; 09/112,780; piezoelectric, Residual bend 09/113,083; 09/112,793; magnetostrictive, or resulting from 09/113,128; 09/113,127; other mechanism. high 09/112,756; 09/112,755; The bend actuator temperature or 09/112,754; 09/112,811; converts a high high stress 09/112,812; 09/112,813; force low travel during 09/112,814; 09/112,764; actuator mechanism formation 09/112,765; 09/112,767; to high travel, lower 09/112,768; 09/112,807; force mechanism. 09/112,806; 09/112,820 Transient A trilayer bend Very good High stresses USSN 09/112,767; bend actuator where the temperature are involved 09/112,768 actuator two outside layers stability Care must be are identical. This High speed, as a taken that the cancels bend due to new drop can be materials do not ambient temperature fired before heat delaminate and residual stress. dissipates The actuator only Cancels residual responds to transient stress of heating of one side formation or the other. Reverse The actuator loads a Better coupling Fabrication USSN 09/113,097; spring spring. When the to the ink complexity 09/113,077 actuator is turned High stress in off, the spring the spring releases. This can reverse the force/distance curve of the actuator to make it compatible with the force/time requirements of the drop ejection. Actuator A series of thin Increased travel Increased Some piezoelectric ink stack actuators are Reduced drive fabrication jets stacked. This can be voltage complexity USSN 09/112,803 appropriate where Increased actuators require possibility of high electric field short circuits strength, such as due to pinholes electrostatic and piezoelectric actuators. Multiple Multiple smaller Increases the Actuator forces USSN 09/113,061; actuators actuators are used force available may not add 09/112,818; 09/113,096; simultaneously to from an actuator linearly, 09/113,095; 09/112,809; move the ink. Each Multiple reducing 09/112,794; 09/112,807; actuator need actuators can be efficiency 09/112,806 provide only a positioned to portion of the force control ink flow required. accurately Linear A linear spring is Matches low Requires print USSN 09/112,772 Spring used to transform a travel actuator head area for motion with small with higher the spring travel and high force travel into a longer travel, requirements lower force motion. Non-contact method of motion transformation Coiled A bend actuator is Increases travel Generally USSN 09/112,815; actuator coiled to provide Reduces chip restricted to 09/112,808; 09/112,811; greater travel in a area planar 09/112,812 reduced chip area. Planar implementations implementations due to extreme are relatively fabrication easy to difficulty in fabricate. other orientations. Flexure A bend actuator has Simple means Care must be USSN 09/112,779; bend a small region near of increasing taken not to 09/113,068; 09/112,754 actuator the fixture point, travel of a bend exceed the which flexes much actuator elastic limit in more readily than the flexure area the remainder of the Stress actuator. The distribution is actuator flexing is very uneven effectively Difficult to converted from an accurately even coiling to an model with angular bend, finite element resulting in greater analysis travel of the actuator tip. Catch The actuator Very low Complex USSN 09/112,779 controls a small actuator energy construction catch. The catch Very small Requires either enables or actuator size external force disables movement Unsuitable for of an ink pusher that pigmented inks is controlled in a bulk manner. Gears Gears can be used to Low force, low Moving parts USSN 09/112,818 increase travel at the travel actuators are required expense of duration. can be used Several actuator Circular gears, rack Can be cycles are and pinion, ratchets, fabricated using required and other gearing standard surface More complex methods can be MEMS drive electronics used. processes Complex construction Friction, friction, and wear are possible Buckle A buckle plate can Very fast Must stay S. Hirata et al, “An Ink-jet plate be used to change a movement within elastic Head Using Diaphragm slow actuator into a achievable limits of the Microactuator”, Proc. fast motion. It can materials for IEEE MEMS, Feb. 1996, also convert a high long device life pp 418-423. force, low travel High stresses USSN 09/113,096; actuator into a high involved 09/112,793 travel, medium force Generally high motion. power requirement Tapered A tapered magnetic Linearizes the Complex USSN 09/112,816 magnetic pole can increase magnetic construction pole travel at the expense force/distance of force. curve Lever A lever and fulcrum Matches low High stress USSN 09/112,755; is used to transform travel actuator around the 09/112,813; 09/112,814 a motion with small with higher fulcrum travel and high force travel into a motion with requirements longer travel and Fulcrum area lower force. The has no linear lever can also movement, and reverse the direction can be used for of travel. a fluid seal Rotary The actuator is High Complex USSN 09/112,794 impeller connected to a mechanical construction rotary impeller. A advantage Unsuitable for small angular The ratio of pigmented inks deflection of the force to travel actuator results in a of the actuator rotation of the can be matched impeller vanes, to the nozzle which push the ink requirements by against stationary varying the vanes and out of the number of nozzle. impeller vanes Acoustic A refractive or No moving Large area 1993 Hadimioglu et al, lens diffractive (e.g. zone parts required EUP 550,192 plate) acoustic lens Only relevant 1993 Elrod et al, EUP is used to for acoustic ink 572,220 concentrate sound jets waves. Sharp A sharp point is Simple Difficult to Tone-jet conductive used to concentrate construction fabricate using point an electrostatic field. standard VLSI processes for a surface ejecting ink-jet Only relevant for electrostatic ink jets ACTUATOR MOTION Volume The volume of the Simple High energy is Hewlett-Packard Thermal expansion actuator changes, construction in typically Ink jet pushing the ink in the case of required to Canon Bubblejet all directions. thermal ink jet achieve volume expansion. This leads to thermal stress, cavitation, and kogation in thermal ink jet implementations Linear, The actuator moves Efficient High fabrication USSN 09/112,751; normal to in a direction normal coupling to ink complexity may 09/112,787; 09/112,803; chip to the print head drops ejected be required to 09/113,084; 09/113,077; surface surface. The nozzle normal to the achieve 09/112,816 is typically in the surface perpendicular line of movement. motion Parallel to The actuator moves Suitable for Fabrication USSN 09/113,061; chip parallel to the print planar complexity 09/112,818; 09/112,772; surface head surface. Drop fabrication Friction 09/112,754; 09/112,811; ejection may still be Stiction 09/112,812; 09/112,813 normal to the surface. Membrane An actuator with a The effective Fabrication 1982 Howkins USP push high force but small area of the complexity 4,459,601 area is used to push actuator Actuator size a stiff membrane becomes the Difficulty of that is in contact membrane area integration in a with the ink. VLSI process Rotary The actuator causes Rotary levers Device USSN 09/113,097; the rotation of some maybe used to complexity 09/113,066; 09/112,818; element, such a grill increase travel May have 09/112,794 or impeller Small chip area friction at a requirements pivot point Bend The actuator bends A very small Requires the 1970 Kyser et al USP when energized. change in actuator to be 3,946,398 This may be due to dimensions can made from at 1973 Stemme USP differential thermal be converted to least two 3,747,120 expansion, a large motion. distinct layers, 09/112,802; 09/112,778; piezoelectric or to have a 09/112,779; 09/113,068; expansion, thermal 09/112,780; 09/113,083; magnetostriction, or difference 09/113,121; 09/113,128; other form of across the 09/113,127; 09/112,756; relative dimensional actuator 09/112,754; 09/112,811; change. 09/112,812 Swivel The actuator swivels Allows Inefficient USSN 09/113,099 around a central operation where coupling to the pivot. This motion is the net linear ink motion suitable where there force on the are opposite forces paddle is zero applied to opposite Small chip area sides of the paddle, requirements e.g. Lorenz force. Straighten The actuator is Can be used Requires careful USSN 09/113,122; normally bent, and with shape balance of 09/112,755 straightens when memory alloys stresses to energized. where the ensure that the austenic phase quiescent bend is planar is accurate Double The actuator bends One actuator Difficult to USSN 09/112,813; bend in one direction can be used to make the drops 09/112,814; 09/112,764 when one element is power two ejected by both energized, and nozzles. bend directions bends the other way Reduced chip identical. when another size. A small element is Not sensitive to efficiency loss energized. ambient compared to temperature equivalent single bend actuators. Shear Energizing the Can increase the Not readily 1985 Fishbeck USP actuator causes a effective travel applicable to 4,584,590 shear motion in the of piezoelectric other actuator actuator material. actuators mechanisms Radial The actuator Relatively easy High force 1970 Zoltan USP con- squeezes an ink to fabricate required 3,683,212 striction reservoir, forcing single nozzles Inefficient ink from a from glass Difficult to constricted nozzle. tubing as integrate with macroscopic VLSI processes structures Coil/ A coiled actuator Easy to Difficult to USSN 09/112,815; uncoil uncoils or coils fabricate as a fabricate for 09/112,808; 09/112,811; more tightly. The planar VLSI non-planar 09/112,812 motion of the free process devices end of the actuator Small area Poor out-of- ejects the ink. required, plane stiffness therefore low cost Bow The actuator bows Can increase the Maximum USSN 09/112,819; (or buckles) in the speed of travel travel is 09/113,096; 09/112,793 middle when Mechanically constrained energized. rigid High force required Push-Pull Two actuators The structure is Not readily USSN 09/113,096 control a shutter. pinned at both suitable for ink One actuator pulls ends, so has a jets which the shutter, and the high out-of- directly push other pushes it. plane rigidity the ink Curl A set of actuators Good fluid flow Design USSN 09/113,095; inwards curl inwards to to the region complexity 09/112,807 reduce the volume behind the of ink that they actuator enclose. increases efficiency Curl A set of actuators Relatively Relatively large USSN 09/112,806 outwards curl outwards, simple chip area pressurizing ink in a construction chamber surrounding the actuators, and expelling ink from a nozzle in the chamber. Iris Multiple vanes High efficiency High fabrication USSN 09/112,809 enclose a volume of Small chip area complexity ink. These Not suitable for simultaneously pigmented inks rotate, reducing the volume between the vanes. Acoustic The actuator The actuator Large area 1993 Hadimioglu et al, vibration vibrates at a high can be required for EUP 550,192 frequency. physically efficient 1993 Elrod et al, EUP distant from the operation at 572,220 ink useful frequencies Acoustic coupling and crosstalk Complex drive circuitry Poor control of drop volume and position None In various ink jet No moving Various other Silverbrook, EP 0771 658 designs the actuator parts tradeoffs are A2 and related patent does not move. required to applications eliminate Tone-jet moving parts -
NOZZLE REFILL METHOD Description Advantages Disadvantages Examples Surface This is the normal Fabrication Low speed Thermal ink jet tension way that ink jets are simplicity Surface tension Piezoelectric ink jet refilled. After the Operational force relatively USSN-09/112,751; actuator is energized, simplicity small 09/113,084; 09/112,779; it typically returns compared to 09/112,816; 09/112,819; rapidly to its normal actuator force 09/113,095; 09/112,809; position. This rapid Long refill 09/112,780; 09/113,083; return sucks in air time usually 09/113,121; 09/113,122; through the nozzle dominates the 09/112,793; 09/112,794; opening. The ink total repetition 09/113,128; 09/113,127; surface tension at the rate 09/112,756; 09/112,755; nozzle then exerts a 09/112,754; 09/112,811; small force restoring 09/112,812; 09/112,813; the meniscus to a 09/112,814; 09/112,764; minimum area. This 09/112,765; 09/112,767; force refills the 09/112,768; 09/112,807; nozzle. 09/112,806; 09/112,820; 09/112,821 Shuttered Ink to the nozzle High speed Requires USSN 09/113,066; oscillating chamber is provided Low actuator common ink 09/112,818; 09/112,772; ink at a pressure that energy, as the pressure 09/112,815; 09/113,096; pressure oscillates at twice the actuator need oscillator 09/113,068; 09/112,808 drop ejection only open or May not be frequency. When a close the suitable for drop is to be ejected, shutter, instead pigmented inks the shutter is opened of ejecting the for 3 half cycles: ink drop drop ejection, actuator return, and refill. The shutter is then closed to prevent the nozzle chamber emptying during the next negative pressure cycle. Refill After the main High speed, as Requires two USSN 09/112,778 actuator actuator has ejected a the nozzle is independent drop a second (refill) actively actuators per actuator is energized. refilled nozzle The refill actuator pushes ink into the nozzle chamber. The refill actuator returns slowly, to prevent its return from emptying the chamber again. Positive The ink is held a High refill rate, Surface spill Silverbrook, EP 0771 658 ink slight positive therefore a must be A2 and related patent pressure pressure. After the high drop prevented applications ink drop is ejected, repetition rate Highly Alternative for: USSN the nozzle chamber is possible hydrophobic 09/112,751; 09/112,787; fills quickly as print head 09/112,802; 09/112,803; surface tension and surfaces are 09/113,097; 09/113,099; ink pressure both required 09/113,084; 09/112,779; operate to refill the 09/113,077; 09/113,061; nozzle. 09/112,818; 09/112,816; 09/112,819; 09/113,095; 09/112,809; 09/112,780; 09/113,083; 09/113,121; 09/113,122; 09/112,793; 09/112,794; 09/113,128, 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821 -
METHOD OF RESTRICTING BACK-FLOW THROUGH INLET Description Advantages Disadvantages Examples Long inlet The ink inlet Design Restricts refill Thermal ink jet channel channel to the simplicity rate Piezoelectric ink jet nozzle chamber is Operational May result in a USSN 09/112,807; made long and simplicity relatively large 09/112,806 relatively narrow, Reduces chip area relying on viscous crosstalk Only partially drag to reduce inlet effective back-flow. Positive The ink is under a Drop selection Requires a Silverbrook, EP 0771 658 ink positive pressure, so and separation method (such A2 and related patent pressure that in the quiescent forces can be as a nozzle rim applications state some of the ink reduced or effective Possible operation of the drop already Fast refill time hydrophobizing, following: protrudes from the or both) to USSN 09/112,751; nozzle. prevent 09/112,787; 09/112,802; This reduces the flooding of the 09/112,803; 09/113,097; pressure in the ejection 09/113,099; 09/113,084; nozzle chamber surface of the 09/112,778; 09/112,779; which is required to print head. 09/113,077; 09/113,061; eject a certain 09/112,816; 09/112,819; volume of ink. The 09/113,095; 09/112,809; reduction in 09/112,780; 09/113,083; chamber pressure 09/113,121; 09/113,122; results in a reduction 09/112,793; 09/112,794; in ink pushed out 09/113,128; 09/113,127; through the inlet. 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; Baffle One or more baffles The refill rate is Design HP Thermal Ink Jet are placed in the not as restricted complexity Tektronix piezoelectric ink inlet ink flow. When as the long inlet May increase jet the actuator is method. fabrication energized, the rapid Reduces complexity ink movement crosstalk (e.g. Tektronix creates eddies which hot melt restrict the flow Piezoelectric through the inlet. print heads). The slower refill process is unrestricted, and does not result in eddies. Flexible In this method Significantly Not applicable Canon flap recently disclosed reduces back- to most ink jet restricts by Canon, the flow for edge- configurations inlet expanding actuator shooter thermal Increased (bubble) pushes on a ink jet devices fabrication flexible flap that complexity restricts the inlet. Inelastic deformation of polymer flap results in creep over extended use Inlet filter A filter is located Additional Restricts refill USSN 09/112,803; between the ink inlet advantage of rate 09/113,061; 09/113,083; and the nozzle ink filtration May result in 09/112,793; 09/113,128; chamber. The filter Ink filter may complex 09/113,127 has a multitude of be fabricated construction small holes or slots, with no restricting ink flow. additional The filter also process steps removes particles which may block the nozzle. Small inlet The ink inlet Design Restricts refill USSN 09/112,787; compared channel to the simplicity rate 09/112,814; 09/112,820 to nozzle nozzle chamber has May result in a a substantially relatively large smaller cross section chip area than that of the Only partially nozzle, resulting in effective easier ink egress out of the nozzle than out of the inlet. Inlet A secondary Increases speed Requires USSN 09/112,778 shutter actuator controls the of the ink-jet separate refill position of a shutter, print head actuator and closing off the ink operation drive circuit inlet when the main actuator is energized. The inlet is The method avoids Back-flow Requires USSN 09/112,751; located the problem of inlet problem is careful design 09/112,802; 09/113,097; behind the back-flow by eliminated to minimize 09/113,099; 09/113,084; ink- arranging the ink- the negative 09/112,779; 09/113,077; pushing pushing surface of pressure 09/112,816; 09/112,819; surface the actuator between behind the 09/112,809; 09/112,780; the inlet and the paddle 09/113,121; 09/112,794; nozzle. 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,765; 09/112,767; 09/112,768 Part of the The actuator and a Significant Small increase USSN 09/113,084; actuator wall of the ink reductions in in fabrication 09/113,095; 09/113,122; moves to chamber are back-flow can complexity 09/112,764 shut off arranged so that the be achieved the inlet motion of the Compact actuator closes off designs possible the inlet. Nozzle In some Ink back-flow None related to Silverbrook, EP 0771 658 actuator configurations of problem is ink back-flow A2 and related patent does not ink jet, there is no eliminated on actuation applications result in expansion or Valve-jet ink back- movement of an Tone-jet flow actuator which may cause ink back-flow through the inlet. -
NOZZLE CLEARING METHOD Description Advantages Disadvantages Examples Normal All of the nozzles No added May not be Most ink jet systems nozzle are fired complexity on sufficient to USSN 09/112,751; firing periodically, before the print head displace dried 09/112,787; 09/112,802; the ink has a chance ink 09/112,803; 09/113,097; to dry. When not in 09/113,099; 09/113,084; use the nozzles are 09/112,778; 09/112,779; sealed (capped) 09/113,077; 09/113,061; against air. 09/112,816; 09/112,819; The nozzle firing is 09/113,095; 09/112,809; usually performed 09/112,780; 09/113,083; during a special 09/113,121; 09/113,122; clearing cycle, after 09/112,793; 09/112,794; first moving the 09/113,128; 09/113,127; print head to a 09/112,756; 09/112,755; cleaning station. 09/112,754; 09/112,811; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821 Extra In systems which Can be highly Requires Silverbrook, EP 0771 658 power to heat the ink, but do effective if the higher drive A2 and related patent ink heater not boil it under heater is voltage for applications normal situations, adjacent to the clearing nozzle clearing can nozzle May require be achieved by over- larger drive powering the heater transistors and boiling ink at the nozzle. Rapid The actuator is fired Does not Effectiveness May be used with: USSN success- in rapid succession. require extra depends 09/112,751; 09/112,787; ion of In some drive circuits on substantially 09/112,802; 09/112,803; actuator configurations, this the print head upon the 09/113,097; 09/113,099; pulses may cause heat Can be readily configuration 09/113,084; 09/112,778; build-up at the controlled and of the ink jet 09/112,779; 09/113,077; nozzle which boils initiated by nozzle 09/112,816; 09/112,819; the ink, clearing the digital logic 09/113,095; 09/112,809; nozzle. In other 09/112,780; 09/113,083; situations, it may 09/113,121; 09/112,793; cause sufficient 09/112,794; 09/113,128; vibrations to 09/113,127; 09/112,756; dislodge clogged 09/112,755; 09/112,754; nozzles. 09/112,811; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821 Extra Where an actuator is A simple Not suitable May be used with: USSN power to not normally driven solution where where there is 09/112,802; 09/112,778; ink to the limit of its applicable a hard limit to 09/112,819; 09/113,095; pushing motion, nozzle actuator 09/112,780; 09/113,083; actuator clearing may be movement 09/113,121; 09/112,793; assisted by 09/113,128; 09/113,127; providing an 09/112,756; 09/112,755; enhanced drive 09/112,765; 09/112,767; signal to the 09/112,768; 09/112,807; actuator. 09/112,806; 09/112,820; 09/112,821 Acoustic An ultrasonic wave A high nozzle High USSN 09/113,066; resonance is applied to the ink clearing implementation 09/112,818; 09/112,772; chamber. This wave capability can cost if 09/112,815; 09/113,096; is of an appropriate be achieved system does 09/113,068; 09/112,808 amplitude and May be not already frequency to cause implemented at include an sufficient force at very low cost in acoustic the nozzle to clear systems which actuator blockages. This is already include easiest to achieve if acoustic the ultrasonic wave actuators is at a resonant frequency of the ink cavity. Nozzle A microfabricated Can clear Accurate Silverbrook, EP 0771 658 clearing plate is pushed severely mechanical A2 and related patent plate against the nozzles. clogged nozzles alignment is applications The plate has a post required for every nozzle. A Moving parts post moves through are required each nozzle, There is risk of displacing dried ink. damage to the nozzles Accurate fabrication is required Ink The pressure of the May be Requires May be used with ink jets pressure ink is temporarily effective where pressure pump covered by USSN pulse increased so that ink other methods or other 09/112,751; 09/112,787; streams from all of cannot be used pressure 09/112,802; 09/112,803; the nozzles. This actuator 09/113,097; 09/113,099; may be used in Expensive 09/113,084; 09/113,066; conjunction with Wasteful of 09/112,778; 09/112,779; actuator energizing. ink 09/113,077; 09/113,061; 09/112,818; 09/112,816; 09/112,772; 09/112,819; 09/112,815; 09/113,096; 09/113,068; 09/113,095; 09/112,808; 09/112,809; 09/112,780; 09/113,083; 09/113,121; 09/113,122; 09/112,793; 09/112,794; 09/113,128; 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821 Print head A flexible ‘blade’ is Effective for Difficult to use Many ink jet systems wiper wiped across the planar print if print head print head surface. head surfaces surface is non- The blade is usually Low cost planar or very fabricated from a fragile flexible polymer, Requires e.g. rubber or mechanical synthetic elastomer. parts Blade can wear out in high volume print systems Separate A separate heater is Can be effective Fabrication Can be used with many ink ink boiling provided at the where other complexity jets covered by USSN heater nozzle although the nozzle clearing 09/112,751; 09/112,787; normal drop e- methods cannot 09/112,802; 09/112,803; ection mechanism be used 09/113,097; 09/113,099; does not require it. Can be 09/113,084; 09/113,066; The heaters do not implemented at 09/112,778; 09/112,779; require individual no additional 09/113,077; 09/113,061; drive circuits, as cost in some ink 09/112,818; 09/112,816; many nozzles can be jet 09/112,772; 09/112,819; cleared configurations 09/112,815; 09/113,096; simultaneously, and 09/113,068; 09/113,095; no imaging is 09/112,808; 09/112,809; required. 09/112,780; 09/113,083; 09/113,121; 09/113,122; 09/112,793; 09/112,794; 09/113,128; 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821 -
NOZZLE PLATE CONSTRUCTION Description Advantages Disadvantages Examples Electro- A nozzle plate is Fabrication High Hewlett Packard Thermal formed separately fabricated simplicity temperatures Ink jet nickel from electroformed and pressures nickel, and bonded are required to to the print head bond nozzle chip. plate Minimum thickness constraints Differential thermal expansion Laser Individual nozzle No masks Each hole must Canon Bubblejet ablated or holes are ablated by required be individually 1988 Sercel et al., SPIE, drilled an intense UV laser Can be quite formed Vol. 998 Excimer Beam polymer in a nozzle plate, fast Special Applications, pp. 76-83 which is typically a Some control equipment 1993 Watanabe et al., polymer such as over nozzle required USP 5,208,604 polyimide or profile is Slow where polysulphone possible there are many Equipment thousands of required is nozzles per relatively low print head cost May produce thin burrs at exit holes Silicon A separate nozzle High accuracy Two part K. Bean, IEEE micro- plate is is attainable construction Transactions on Electron machined micromachined High cost Devices, Vol. ED-25, No. from single crystal Requires 10, 1978, pp 1185-1195 silicon, and bonded precision Xerox 1990 Hawkins et al., to the print head alignment USP 4,899,181 wafer. Nozzles may be clogged by adhesive Glass Fine glass No expensive Very small 1970 Zoltan USP capillaries capillaries are drawn equipment nozzle sizes 3,683,212 from glass tubing. required are difficult to This method has Simple to make form been used for single nozzles Not suited for making individual mass nozzles, but is production difficult to use for bulk manufacturing of print heads with thousands of nozzles. Monolithic, The nozzle plate is High accuracy Requires Silverbrook, EP 0771 658 surface deposited as a layer (<1 μm) sacrificial layer A2 and related patent micro- using standard VLSI Monolithic under the applications machined deposition Low cost nozzle plate to USSN 09/112,751; using VLSI techniques. Nozzles Existing form the 09/112,787; 09/112,803; litho- are etched in the processes can nozzle 09/113,077; 09/113,061; graphic nozzle plate using be used chamber 09/112,815; 09/113,096; processes VLSI lithography Surface may 09/113,095; 09/112,809; and etching. be fragile to 09/113,083; 09/112,793; the touch 09/112,794; 09/113,128; 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820 Monolithic, The nozzle plate is a High accuracy Requires long USSN 09/112,802; etched buried etch stop in (<1 μm) etch times 09/113,097; 09/113,099; through the wafer. Nozzle Monolithic Requires a 09/113,084; 09/113,066; substrate chambers are etched Low cost support wafer 09/112,778; 09/112,779; in the front of the No differential 09/112,818; 09/112,816; wafer, and the wafer expansion 09/112,772; 09/112,819; is thinned from the 09/113,068; 09/112,808; back side. Nozzles 09/112,780; 09/113,121; are then etched in 09/113,122 the etch stop layer. No nozzle Various methods No nozzles to Difficult to Ricoh 1995 Sekiya et al plate have been tried to become clogged control drop USP 5,412,413 eliminate the position 1993 Hadimioglu et al EUP nozzles entirely, to accurately 550,192 prevent nozzle Crosstalk 1993 Elrod et al EUP clogging. These problems 572,220 include thermal bubble mechanisms and acoustic lens mechanisms Trough Each drop ejector Reduced Drop firing USSN 09/112,812 has a trough through manufacturing direction is which a paddle complexity sensitive to moves. There is no Monolithic wicking. nozzle plate. Nozzle slit The elimination of No nozzles to Difficult to 1989 Saito et al instead of nozzle holes and become clogged control drop USP 4,799,068 individual replacement by a slit position nozzles encompassing many accurately actuator positions Crosstalk reduces nozzle problems clogging, but increases crosstalk due to ink surface waves -
DROP EJECTION DIRECTION Description Advantages Disadvantages Examples Edge Ink flow is along the Simple Nozzles Canon Bubblejet 1979 (‘edge surface of the chip, construction limited to edge Endo et al GB patent shooter’) and ink drops are No silicon High 2,007,162 ejected from the etching required resolution is Xerox heater-in-pit 1990 chip edge. Good heat difficult Hawkins et al USP sinking via Fast color 4,899,181 substrate printing Tone-jet Mechanically requires one strong print head per Ease of chip color handing Surface Ink flow is along the No bulk silicon Maximum ink Hewlett-Packard TIJ 1982 (‘roof surface of the chip, etching required flow is Vaught et al USP shooter’) and ink drops are Silicon can severely 4,490,728 ejected from the make an restricted USSN 09/112,787, chip surface, normal effective heat 09/113,077; 09/113,061; to the plane of the sink 09/113,095; 09/112,809 chip. Mechanical strength Through Ink flow is through High ink flow Requires bulk Silverbrook, EP 0771 658 chip, the chip, and ink Suitable for silicon etching A2 and related patent forward drops are ejected pagewidth print applications (‘up from the front heads USSN 09/112,803; shooter’) surface of the chip. High nozzle 09/112,815; 09/113,096; packing density 09/113,083; 09/112,793; therefore low 09/112,794; 09/113,128; manufacturing 09/113,127; 09/112,756; cost 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821 Through Ink flow is through High ink flow Requires wafer USSN 09/112,751; chip, the chip, and ink Suitable for thinning 09/112,802; 09/113,097; reverse drops are ejected pagewidth print Requires 09/113,099; 09/113,084; (‘down from the rear surface heads special 09/113,066; 09/112,778; shooter’) of the chip. High nozzle handling 09/112,779; 09/112,818; packing density during 09/112,816; 09/112,772; therefore low manufacture 09/112,819; manufacturing 09/113,068; 09/112,808; cost 09/112,780; 09/113,121; 09/113,122 Through Ink flow is through Suitable for Pagewidth Epson Stylus actuator the actuator, which piezoelectric print heads Tektronix hot melt is not fabricated as print heads require several piezoelectric ink jets part of the same thousand substrate as the connections to drive transistors. drive circuits Cannot be manufactured in standard CMOS fabs Complex assembly required -
INK TYPE Description Advantages Disadvantages Examples Aqueous, Water based ink Environmental- Slow drying Most existing ink jets dye which typically ly friendly Corrosive USSN 09/112,751; contains: water, dye, No odor Bleeds on 09/112,787; 09/112,802; surfactant, paper 09/112,803; 09/113,097; humectant, and May 09/113,099; 09/113,084; biocide. strikethrough 09/113,066; 09/112,778; Modern ink dyes Cockles paper 09/112,779; 09/113,077; have high water- 09/113,061; 09/112,818; fastness, light 09/112,816; 09/112,772; fastness 09/112,819; 09/112,815; 09/113,096; 09/113,068; 09/113,095; 09/112,808; 09/112,809; 09/112,780; 09/113,083; 09/113,121; 09/113,122; 09/112,793; 09/112,794; 09/113,128; 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821 Silverbrook, EP 0771 658 A2 and related patent applications Aqueous, Water based ink Environmental- Slow drying USSN 09/112,787; pigment which typically ly friendly Corrosive 09/112,803; 09/112,808; contains: water, No odor Pigment may 09/113,122; 09/112,793; pigment, surfactant, Reduced bleed clog nozzles 09/113,127 humectant, and Reduced Pigment may Silverbrook, EP 0771 658 biocide. wicking clog actuator A2 and related patent Pigments have an Reduced mechanisms applications advantage in reduced strikethrough Cockles paper Piezoelectric ink-jets bleed, wicking and Thermal ink jets (with strikethrough. significant restrictions) Methyl MEK is a highly Very fast Odorous USSN 09/112,751; Ethyl volatile solvent used drying Flammable 09/112,787; 09/112,802; Ketone for industrial printing Prints on 09/112,803; 09/113,097; (MEK) on difficult surfaces various 09/113,099; 09/113,084; such as aluminum substrates such 09/113,066; 09/112,778; cans. as metals and 09/112,779; 09/113,077; plastics 09/113,061; 09/112,818; 09/112,816; 09/112,772; 09/112,819; 09/112,815; 09/113,096; 09/113,068; 09/113,095; 09/112,808; 09/112,809; 09/112,780; 09/113,083; 09/113,121; 09/113,122; 09/112,793; 09/112,794; 09/113,128; 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821 Alcohol Alcohol based inks Fast drying Slight odor USSN 09/112,751; (ethanol, can be used where Operates at Flammable 09/112,787; 09/112,802; 2-butanol, the printer must sub-freezing 09/112,803; 09/113,097; and operate at temperatures 09/113,099; 09/113,084; others) temperatures below Reduced paper 09/113,066; 09/112,778; the freezing point of cockle 09/112,779; 09/113,077; water. An example of Low cost 09/113,061; 09/112,818; this is in-camera 09/112,816; 09/112,772; consumer 09/112,819; 09/112,815; photographic 09/113,096; 09/113,068; printing. 09/113,095; 09/112,808; 09/112,809; 09/112,780; 09/113,083; 09/113,121; 09/113,122; 09/112,793; 09/112,794; 09/113,128; 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821 Phase The ink is solid at No drying High viscosity Tektronix hot melt change room temperature, time-ink Printed ink piezoelectric ink jets (hot melt) and is melted in the instantly typically has a 1989 Nowak USP print head before freezes on the ‘waxy’ feel 4,820,346 jetting. Hot melt inks print medium Printed pages USSN 09/112,751; are usually wax Almost any may ‘block’ 09/112,787; 09/112,802; based, with a melting print medium Ink 09/112,803; 09/113,097; point around 80° C. can be used temperature 09/113,099; 09/113,084; After jetting the ink No paper may be above 09/113,066; 09/112,778; freezes almost cockle occurs the curie point 09/112,779; 09/113,077; instantly upon No wicking of permanent 09/113,061; 09/112,818; contacting the print occurs magnets 09/112,816; 09/112,772; medium or a transfer No bleed Ink heaters 09/112,819; 09/112,815; roller. occurs consume 09/113,096; 09/113,068; No power 09/113,095; 09/112,808; strikethrough Long warm-up 09/112,809; 09/112,780; occurs time 09/113,083; 09/113,121; 09/113,122; 09/112,793; 09/112,794; 09/113,128; 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821 Oil Oil based inks are High solubility High viscosity: USSN 09/112,751; extensively used in medium for this is a 09/112,787; 09/112,802; offset printing. They some dyes significant 09/112,803; 09/113,097; have advantages in Does not limitation for 09/113,099; 09/113,084; improved cockle paper use in ink jets, 09/113,066; 09/112,778; characteristics on Does not wick which usually 09/112,779; 09/113,077; paper (especially no through paper require a low 09/113,061; 09/112,818; wicking or cockle). viscosity. 09/112,816; 09/112,772; Oil soluble dies and Some short 09/112,819; 09/112,815; pigments are chain and 09/113,096; 09/113,068; required. multi-branched 09/113,095; 09/112,808; oils have a 09/112,809; 09/112,780; sufficiently 09/113,083; 09/113,121; low viscosity. 09/113,122; 09/112,793; Slow drying 09/112,794; 09/113,128; 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821 Micro- A microemulsion is a Stops ink bleed Viscosity USSN 09/112,751; emulsion stable, self forming High dye higher than 09/112,787; 09/112,802; emulsion of oil, solubility water 09/112,803; 09/113,097; water, and surfactant. Water, oil, and Cost is slightly 09/113,099; 09/113,084; The characteristic amphiphilic higher than 09/113,066; 09/112,778; drop size is less than soluble dies water based 09/112,779; 09/113,077; 100 nm, and is can be used ink 09/113,061; 09/112,818; determined by the Can stabilize High surfactant 09/112,816; 09/112,772; preferred curvature of pigment concentration 09/112,819; 09/112,815; the surfactant. suspensions required 09/113,096; 09/113,068; (around 5%) 09/113,095; 09/112,808; 09/112,809; 09/112,780; 09/113,083; 09/113,121; 09/113,122; 09/112,793; 09/112,794; 09/113,128; 09/113,127; 09/112,756; 09/112,755; 09/112,754; 09/112,811; 09/112,812; 09/112,813; 09/112,814; 09/112,764; 09/112,765; 09/112,767; 09/112,768; 09/112,807; 09/112,806; 09/112,820; 09/112,821
Claims (6)
1. A garment creation system comprising:
a pattern generating means for generating at least one garment piece outline and a decorative finish to be imparted to said garment piece; and
a garment fabric printer in communication with said pattern generating means for printing simultaneously said garment piece outline and said decorative finish on to a surface of a bolt of fabric passing through said printer, in use.
2. A garment creation system as claimed in claim 1 wherein said garment fabric printer prints simultaneously on the surface of the bolt of fabric, a plurality of garment piece outlines, each with their associated decorative finishes.
3. A garment creation system as claimed in claim 2 wherein said garment fabric printer prints out on the surface of said bolt of fabric instructions for joining said garment pieces together.
4. A garment creation system as claimed in claim 2 wherein said pattern generating means generates the decorative finishes on each of said pieces so that an image, created by fastening said pieces together to form a garment, appears to be continuous.
5. A garment creation system as claimed in claim 1 wherein the garment fabric printer is an ink jet printer having an image printing width corresponding to a width of the bolt of fabric.
6. A garment creation system as claimed in claim 1 wherein the pattern generating means generates garment pieces of different sizes to cater for different sizes and shapes of bodies.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US10/326,308 US20030101559A1 (en) | 1997-07-15 | 2002-12-23 | Custom garment design and fabric printing system |
US11/525,862 US7525687B2 (en) | 1997-07-15 | 2006-09-25 | Garment creation system |
US12/422,892 US7965416B2 (en) | 1997-07-15 | 2009-04-13 | Method for creating a garment |
US13/108,986 US8102568B2 (en) | 1997-07-15 | 2011-05-17 | System for creating garments using camera and encoded card |
Applications Claiming Priority (4)
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AUPO8027A AUPO802797A0 (en) | 1997-07-15 | 1997-07-15 | Image processing method and apparatus (ART54) |
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US11275998A | 1998-07-10 | 1998-07-10 | |
US10/326,308 US20030101559A1 (en) | 1997-07-15 | 2002-12-23 | Custom garment design and fabric printing system |
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US11275998A Continuation | 1997-07-15 | 1998-07-10 |
Related Child Applications (1)
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US11/525,862 Continuation US7525687B2 (en) | 1997-07-15 | 2006-09-25 | Garment creation system |
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US20030101559A1 true US20030101559A1 (en) | 2003-06-05 |
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Application Number | Title | Priority Date | Filing Date |
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US11/525,862 Expired - Fee Related US7525687B2 (en) | 1997-07-15 | 2006-09-25 | Garment creation system |
US12/422,892 Expired - Fee Related US7965416B2 (en) | 1997-07-15 | 2009-04-13 | Method for creating a garment |
US13/108,986 Expired - Fee Related US8102568B2 (en) | 1997-07-15 | 2011-05-17 | System for creating garments using camera and encoded card |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
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US11/525,862 Expired - Fee Related US7525687B2 (en) | 1997-07-15 | 2006-09-25 | Garment creation system |
US12/422,892 Expired - Fee Related US7965416B2 (en) | 1997-07-15 | 2009-04-13 | Method for creating a garment |
US13/108,986 Expired - Fee Related US8102568B2 (en) | 1997-07-15 | 2011-05-17 | System for creating garments using camera and encoded card |
Country Status (2)
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US (4) | US20030101559A1 (en) |
AU (1) | AUPO802797A0 (en) |
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Also Published As
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US20110216332A1 (en) | 2011-09-08 |
US20070139697A1 (en) | 2007-06-21 |
US20090207432A1 (en) | 2009-08-20 |
US7525687B2 (en) | 2009-04-28 |
AUPO802797A0 (en) | 1997-08-07 |
US8102568B2 (en) | 2012-01-24 |
US7965416B2 (en) | 2011-06-21 |
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