WO2003055684A3 - Laser engraving methods and compositions - Google Patents

Laser engraving methods and compositions Download PDF

Info

Publication number
WO2003055684A3
WO2003055684A3 PCT/US2002/040906 US0240906W WO03055684A3 WO 2003055684 A3 WO2003055684 A3 WO 2003055684A3 US 0240906 W US0240906 W US 0240906W WO 03055684 A3 WO03055684 A3 WO 03055684A3
Authority
WO
WIPO (PCT)
Prior art keywords
composition
laser
laser engraving
compositions
manufacture
Prior art date
Application number
PCT/US2002/040906
Other languages
French (fr)
Other versions
WO2003055684A2 (en
Inventor
Brian Labrec
Robert Jones
Original Assignee
Digimarc Id Systems Llc
Brian Labrec
Robert Jones
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Digimarc Id Systems Llc, Brian Labrec, Robert Jones filed Critical Digimarc Id Systems Llc
Priority to CA002469938A priority Critical patent/CA2469938C/en
Priority to AU2002353174A priority patent/AU2002353174A1/en
Priority to AT02790154T priority patent/ATE435757T1/en
Priority to EP02790154A priority patent/EP1550077B1/en
Priority to DE60232918T priority patent/DE60232918D1/en
Publication of WO2003055684A2 publication Critical patent/WO2003055684A2/en
Publication of WO2003055684A3 publication Critical patent/WO2003055684A3/en
Priority to HK05111519A priority patent/HK1079597A1/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/24Ablative recording, e.g. by burning marks; Spark recording
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14Security printing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/267Marking of plastic artifacts, e.g. with laser
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40Manufacture
    • B42D25/405Marking
    • B42D25/41Marking using electromagnetic radiation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/16Halogen-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0027After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146Laser beam
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]

Abstract

The invention provides a composition having laser engraving properties, comprising a host material and an effective amount of a laser enhancing additive. The laser enhancing additive comprises a first quantity of least one of copper potassium iodide, or Copper Iodide, and a second quantity at least one substance selected from the group consisting of zinc sulfide, barium sulfide, alkyl sulfonate, and thioester. The composition can be engraved with grayscale images (70, 72) by an Nd:Yag laser and can be added to laminates (52) or coatings. The composition can be used during the manufacture of many articles of manufacture, including identification documents (10).
PCT/US2002/040906 2001-12-24 2002-12-20 Laser engraving methods and compositions WO2003055684A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA002469938A CA2469938C (en) 2001-12-24 2002-12-20 Laser engraving methods and compositions, and articles having laser engraving thereon
AU2002353174A AU2002353174A1 (en) 2001-12-24 2002-12-20 Laser engraving methods and compositions
AT02790154T ATE435757T1 (en) 2001-12-24 2002-12-20 LASER ENGRAVING PROCESSES AND ITEMS WITH LASER ENGRAVING
EP02790154A EP1550077B1 (en) 2001-12-24 2002-12-20 Laser engraving methods, and articles having laser engraving thereon
DE60232918T DE60232918D1 (en) 2001-12-24 2002-12-20 LASER ENGRAVING METHODS AND LASER ENGRAVED PRODUCTS
HK05111519A HK1079597A1 (en) 2001-12-24 2005-12-14 Laser engraving methods and compositions, and articles having laser engraving thereon

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US34467501P 2001-12-24 2001-12-24
US34467701P 2001-12-24 2001-12-24
US34467601P 2001-12-24 2001-12-24
US60/344,675 2001-12-24
US60/344,676 2001-12-24
US60/344,677 2001-12-24

Publications (2)

Publication Number Publication Date
WO2003055684A2 WO2003055684A2 (en) 2003-07-10
WO2003055684A3 true WO2003055684A3 (en) 2005-05-06

Family

ID=27407641

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/040906 WO2003055684A2 (en) 2001-12-24 2002-12-20 Laser engraving methods and compositions

Country Status (9)

Country Link
US (3) US20030234286A1 (en)
EP (1) EP1550077B1 (en)
CN (1) CN1316421C (en)
AT (1) ATE435757T1 (en)
AU (2) AU2002353174A1 (en)
CA (2) CA2469938C (en)
DE (1) DE60232918D1 (en)
HK (1) HK1079597A1 (en)
WO (1) WO2003055684A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8833663B2 (en) 2002-04-09 2014-09-16 L-1 Secure Credentialing, Inc. Image processing techniques for printing identification cards and documents

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