CA2490543A1 - Non-uniform transmission line and method of fabricating the same - Google Patents

Non-uniform transmission line and method of fabricating the same Download PDF

Info

Publication number
CA2490543A1
CA2490543A1 CA002490543A CA2490543A CA2490543A1 CA 2490543 A1 CA2490543 A1 CA 2490543A1 CA 002490543 A CA002490543 A CA 002490543A CA 2490543 A CA2490543 A CA 2490543A CA 2490543 A1 CA2490543 A1 CA 2490543A1
Authority
CA
Canada
Prior art keywords
transmission line
patterned conductive
uniform transmission
line according
uniform
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002490543A
Other languages
French (fr)
Other versions
CA2490543C (en
Inventor
Robert J. Sexton
Michael W. Mccurdy
David Murray
James M. Potter
Linda Sue Walling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Newire Inc
Original Assignee
Decorp Americas, Inc.
Robert J. Sexton
Michael W. Mccurdy
David Murray
James M. Potter
Linda Sue Walling
Newire, Inc.
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 Decorp Americas, Inc., Robert J. Sexton, Michael W. Mccurdy, David Murray, James M. Potter, Linda Sue Walling, Newire, Inc. filed Critical Decorp Americas, Inc.
Publication of CA2490543A1 publication Critical patent/CA2490543A1/en
Application granted granted Critical
Publication of CA2490543C publication Critical patent/CA2490543C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00Waveguides; Transmission lines of the waveguide type
    • H01P3/02Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00Waveguides; Transmission lines of the waveguide type
    • H01P3/02Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
    • H01P3/023Fin lines; Slot lines
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00Waveguides; Transmission lines of the waveguide type
    • H01P3/02Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
    • H01P3/08Microstrips; Strip lines
    • H01P3/088Stacked transmission lines
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0213Electrical arrangements not otherwise provided for
    • H05K1/0216Reduction of cross-talk, noise or electromagnetic interference
    • H05K1/0228Compensation of cross-talk by a mutually correlated lay-out of printed circuit traces, e.g. for compensation of cross-talk in mounted connectors
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0213Electrical arrangements not otherwise provided for
    • H05K1/0237High frequency adaptations
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0213Electrical arrangements not otherwise provided for
    • H05K1/0237High frequency adaptations
    • H05K1/0245Lay-out of balanced signal pairs, e.g. differential lines or twisted lines
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09209Shape and layout details of conductors
    • H05K2201/09218Conductive traces
    • H05K2201/09263Meander
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09209Shape and layout details of conductors
    • H05K2201/09654Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
    • H05K2201/097Alternating conductors, e.g. alternating different shaped pads, twisted pairs; Alternating components
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09209Shape and layout details of conductors
    • H05K2201/09654Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
    • H05K2201/09727Varying width along a single conductor; Conductors or pads having different widths

Abstract

A non-uniform transmission line includes at least one patterned conductive layer 8102, 104), a dielectric layer (103) adjacent to the patterned conductive layer(s) (102, 104), and insulating layer (101, 105) surrounding the patterned conductive layer(s) and the dielectric layer.

Claims (53)

1. A non-uniform transmission line comprising:
at least one patterned conductive layer;
a dielectric layer adjacent to said at least one patterned conductive layer;
and an insulating layer surrounding said at least one patterned conductive layer and said dielectric layer, so as to form said non-uniform transmission line.
2. The non-uniform transmission line according to claim 1, wherein a space between said at least one patterned conductive layer is non-uniform along a length of said non-uniform transmission line.
3. The non-uniform transmission line according to claim 1, wherein said at least one patterned conductive layer is non-uniform along a length of said non-uniform transmission line.
4. The non-uniform transmission line according to claim 1, wherein said at east one patterned conductive layer comprises a plurality of patterned conductive layers, and wherein said dielectric layer is formed between said patterned conductive layers.
5. The non-uniform transmission line according to claim 1, wherein said dielectric layer comprises a plurality of dielectric layers.
6. The non-uniform transmission line according to claim 1, wherein said at least one patterned conductive layer comprises a plurality of patterned conductive layers having a multi-planar arrangement and comprising:
a first conductive layer in a first horizontal plane; and a second conductive layer in a second horizontal plane.
7. The non-uniform transmission line according to claim 1, wherein said non-uniform transmission line comprises a flexible non-uniform transmission line.
8. The non-uniform transmission line according to claim 1, wherein said at east one patterned conductive layer comprises a plurality of patterned conductive layers, and wherein a separation distance is maintained between said patterned conductive layers when said non-uniform transmission line is flexed.
9. The non-uniform transmission line according to claim 1, wherein said dielectric layer has a thickness of 0.00025 to 0.250 inches.
10. The non-uniform transmission line according to claim 1, wherein said dielectric layer has a dielectric constant of 1.0 to 10.0 and a dissipation factor of 0.1 to 0.000001
11. The non-uniform transmission line according to claim 1, wherein said dielectric layer comprises a polymer.
12. The non-uniform transmission line according to claim 1, wherein said dielectric layer comprises one of polypropylene, polyester, and polyethylene.
13. The non-uniform transmission line according to claim 1, wherein said dielectric layer is patterned.
14. The non-uniform transmission line according to claim 1, wherein said dielectric layer comprises a plurality of dielectric layers.
15. The non-uniform transmission line according to claim 1, wherein said at least one patterned conductive layer has a non-uniform pattern within a given period.
16. The non-uniform transmission line according to claim 1, wherein said at least one patterned conductive layer has a thickness of no more than about 0.1 inches.
17. The non-uniform transmission line according to claim 1, wherein said at least one patterned conductive layer comprises an electrically conductive layer.
18. The non-uniform transmission line according to claim 17, wherein said electrically conductive layer comprises at least one of a metal, polysilicon, ceramic, carbon fiber and conductive ink.
19. A non-uniform transmission line, comprising:
at least one transmission group comprising at least one patterned conductive layer;

a dielectric layer formed adjacent said at least one patterned conductive layer; and an insulating layer covering said at least one transmission group and said dielectric layer, so as to form said non-uniform transmission line.
20. The non-uniform transmission line according to claim 19, wherein said at least one patterned conductive layer comprises a plurality of patterned conductive layers, and wherein a space between said patterned conductive layers in a transmission group is non-uniform along a length of said non-uniform transmission line.
21. The non-uniform transmission line according to claim 19, wherein said at least one patterned conductive layer comprises a plurality of patterned conductive layers.
22. The non-uniform transmission line according to claim 21, wherein said dielectric layer is formed between said patterned conductive layers.
23. The non-uniform transmission line according to claim 19, wherein said at least one transmission group comprises a plurality of transmission groups.
24. The non-uniform transmission line according to claim 23, wherein said plurality of transmission groups are coplanar, and wherein a same dielectric layer is formed between patterned conductive layers of each transmission group.
25. The non-uniform transmission line according to claim 23, wherein said plurality of transmission groups are in separate planes so as to form a multi-planar arrangement, and wherein a separating insulating layer is formed between each transmission group.
26. The non-uniform transmission line according to claim 23, wherein said plurality of transmission groups comprises a range of 2 to 25 transmission groups.
27. The non-uniform transmission line according to claim 23, wherein a first transmission group has a crossover frequency which is different from a crossover frequency of a second transmission group.
28. The non-uniform transmission line according to claim 23, wherein said plurality of transmission groups comprises a first transmission group having a first application and a second transmission group having a second application, different from said first application.
29. The non-uniform transmission line according to claim 23, wherein said plurality of transmission groups comprises:
a first set of transmission groups having a first patterned conductive layer in a first horizontal plane and a second patterned conductive layer in a second horizontal plane;
a second set of transmission groups having a first patterned conductive layer in a third horizontal plane and a second patterned conductive layer in a fourth horizontal plane; and a separating insulating layer formed between said first and second sets of transmission groups, wherein a same dielectric layer is formed between patterned conductive layers in said first set of transmission groups, and a same dielectric layer is formed between patterned conductive layers in said second set of transmission groups.
30. A non-uniform transmission line comprising:
a plurality of transmission groups formed as a stack, a transmission group comprising first and second patterned conductive layers;
a dielectric layer formed between said first and second patterned conductive layers;
a separating insulating layer formed between said transmission groups;
and an outer insulating layer covering said plurality of transmission groups, said dielectric layer and said separating insulating layer, so as to form said non-uniform transmission line.
31. The non-uniform transmission line according to claim 30, wherein said stack comprises a plurality of stacks comprising a plurality of transmission groups formed in separate horizontal planes.
32. The non-uniform transmission line according to claim 31, wherein said plurality of stacks comprises a first stack of transmission groups having a first application, and a second stack of transmission groups having a second application, different from that of said first application.
33. A non-uniform transmission line, comprising:

a patterned conductive layer comprising first and second portions which are separated by a predetermined distance; and an insulating layer surrounding said patterned conductive layer, so as to form said non-uniform transmission line.
34. The non-uniform transmission line according to claim 33, wherein said first and second portions of said patterned conductive layer have a non-uniform width along a length of said non-uniform transmission line.
35. The non-uniform transmission line according to claim 33, wherein said first and second portions have an interweaving arrangement.
36. The non-uniform transmission line according to claim 33, wherein said first and second portions have an interlocking arrangement.
37. The non-uniform transmission line according to claim 33, wherein said patterned conductive layer has a width of 0.25 inches or more.
38. A method of fabricating a non-uniform transmission line, comprising:
forming at least one patterned conductive layer;
forming a dielectric layer adjacent to said at least one patterned conductive layer; and covering said at least one patterned conductive layer and said dielectric layer with an insulating layer, so as to form said non-uniform transmission line.
39. The method according to claim 38, wherein said forming at least one patterned conductive layer comprises one of a stamping process, an etching process, a screening process, and a molding process.
40. The method according to claim 38, wherein said forming at least one patterned conductive layer comprises one of a laser cutting process, a wafer cutting process, and a wafer splitting process.
41. A bundled transmission line, comprising:
at least one non-uniform transmission line comprising:
at least one patterned conductive layer;
a dielectric layer formed adjacent to said at least one patterned conductive layer; and an insulating layer surrounding said at least one patterned conductive layer and said dielectric layer, so as to form said non-uniform transmission line.
42. The bundled transmission line according to claim 41, further comprising:
at least one uniform transmission line bundled with said non-uniform transmission line.
43. A signal broadcast system comprising at least one non-uniform transmission line according to claim 1.
44. A telecommunications system comprising at least one non-uniform transmission line according to claim 1.
45. An infrastructure bus system comprising at least one non-uniform transmission line according to claim 1.
46. The non-uniform transmission line according to claim 23, wherein a period of one transmission group does not coincide with a period of another transmission group.
47. The non-uniform transmission line according to claim 1, wherein said at least one patterned conductive layer comprises a curved portion.
48. The non-uniform transmission line according to claim 47, wherein said curved portion comprises a curved edge portion.
49. The non-uniform transmission line according to claim 47, wherein said curve-shaped portion comprises a wave-shaped portion.
50. The non-uniform transmission line according to claim 47, wherein said at least one patterned conductive layer comprises an edge having alternating curved portions and straight portions.
51. The non-uniform transmission line according to claim 47, wherein said patterned conductive layer comprises a straight portion having a non-uniform width.
52. The non-uniform transmission line according to claim 47, wherein said insulating layer comprises tapered sidewalls.
53. The non-uniform transmission line according to claim 47, wherein said non-uniform transmission line comprises a surface-mountable non-uniform transmission line.

45. An infrastructure bus system comprising at least one non-uniform transmission line according to claim 1.
46. The non-uniform transmission line according to claim 23, wherein a period of one transmission group does not coincide with a period of another transmission group.
CA2490543A 2002-05-28 2003-05-28 Non-uniform transmission line and method of fabricating the same Expired - Fee Related CA2490543C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/154,929 2002-05-28
US10/154,929 US6774741B2 (en) 2002-05-28 2002-05-28 Non-uniform transmission line and method of fabricating the same
PCT/US2003/016880 WO2003100903A2 (en) 2002-05-28 2003-05-28 Non-uniform transmission line and method of fabricating the same

Publications (2)

Publication Number Publication Date
CA2490543A1 true CA2490543A1 (en) 2003-12-04
CA2490543C CA2490543C (en) 2012-07-31

Family

ID=29582130

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2490543A Expired - Fee Related CA2490543C (en) 2002-05-28 2003-05-28 Non-uniform transmission line and method of fabricating the same

Country Status (9)

Country Link
US (1) US6774741B2 (en)
EP (1) EP1514327A4 (en)
CN (2) CN1672287A (en)
AU (1) AU2003240936B2 (en)
CA (1) CA2490543C (en)
EA (1) EA010439B1 (en)
MX (1) MXPA05000270A (en)
NO (1) NO20045658L (en)
WO (1) WO2003100903A2 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8847696B2 (en) * 2002-03-18 2014-09-30 Qualcomm Incorporated Flexible interconnect cable having signal trace pairs and ground layer pairs disposed on opposite sides of a flexible dielectric
US6774741B2 (en) * 2002-05-28 2004-08-10 Decorp Americas, Inc. Non-uniform transmission line and method of fabricating the same
US7737359B2 (en) * 2003-09-05 2010-06-15 Newire Inc. Electrical wire and method of fabricating the electrical wire
US7145073B2 (en) * 2003-09-05 2006-12-05 Southwire Company Electrical wire and method of fabricating the electrical wire
US7217884B2 (en) 2004-03-02 2007-05-15 Southwire Company Electrical wire and method of fabricating the electrical wire
CN100574005C (en) 2004-03-09 2009-12-23 艾利森电话股份有限公司 Improved variable delay line
TW200737587A (en) * 2006-01-09 2007-10-01 Koninkl Philips Electronics Nv Shielded cross-tie coplanar waveguide structure
TWI477016B (en) * 2006-07-24 2015-03-11 Newire Inc Source device for use with electrical flat wire, electrical flat wire system, method for monitoring an electrical flat wire and active safety device for use with electical flat wire
US8686738B2 (en) * 2006-07-24 2014-04-01 Newire, Inc. Electrical safety devices and systems for use with electrical wiring, and methods for using same
KR100779431B1 (en) 2007-07-19 2007-11-26 브로콜리 주식회사 Flat uniform transmission line having electromagnetic shielding
US20100033263A1 (en) * 2008-08-08 2010-02-11 Nano Chem Tech Flat transmission wire and fabricating methods thereof
US9288893B2 (en) * 2009-02-11 2016-03-15 Broadcom Corporation Implementations of twisted differential pairs on a circuit board
CN102369636B (en) * 2009-03-30 2014-04-09 富士通株式会社 Differential path replacement component, printed board, and electronic device
GB2482860A (en) * 2010-07-28 2012-02-22 In2Tec Ltd Flexible twisted-pair wiring system
US9131604B1 (en) * 2011-04-01 2015-09-08 Altera Corporation Intertwined pair of conductive paths arranged in a dielectric stack and having at least three metal layers
US9240619B2 (en) * 2011-04-28 2016-01-19 Texas Instruments Incorporated Differential transmission line pairs using a coupling orthogonalization approach to reduce cross-talk
US10295080B2 (en) 2012-12-11 2019-05-21 Schneider Electric Buildings, Llc Fast attachment open end direct mount damper and valve actuator
US8965159B1 (en) * 2013-11-07 2015-02-24 International Business Machines Corporation Implementing twisted pair waveguide for electronic substrates
KR20170101961A (en) * 2014-12-30 2017-09-06 쓰리엠 이노베이티브 프로퍼티즈 컴파니 Electric conductor
US9742464B2 (en) * 2015-07-17 2017-08-22 Dell Products, Lp Apparatus and method for semi-circular routing for transmission line signals
US10375831B2 (en) * 2017-12-28 2019-08-06 Intel Corporation Stretchable multilayer electronics
EP3890105B1 (en) * 2018-11-28 2023-09-27 Hosiden Corporation High frequency transmission device and high frequency signal transmission method
CN117098305B (en) * 2023-10-18 2024-02-20 井芯微电子技术(天津)有限公司 High-speed backboard capable of switching transmission line impedance

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764727A (en) * 1972-06-12 1973-10-09 Western Electric Co Electrically conductive flat cable structures
US4407065A (en) * 1980-01-17 1983-10-04 Gray Stanley J Multiple sheath cable and method of manufacture
US4441088A (en) 1981-12-31 1984-04-03 International Business Machines Corporation Stripline cable with reduced crosstalk
US4675625A (en) * 1985-03-26 1987-06-23 Rogers Corporation Rolled delay line of the coplanar line type
US5064684A (en) * 1989-08-02 1991-11-12 Eastman Kodak Company Waveguides, interferometers, and methods of their formation
US4992059A (en) 1989-12-01 1991-02-12 Westinghouse Electric Corp. Ultra fine line cable and a method for fabricating the same
US5274246A (en) * 1992-05-04 1993-12-28 The United States Of America As Represented By The Secretary Of The Air Force Optical modulation and switching with enhanced third order nonlinearity multiple quantum well effects
JPH06111642A (en) * 1992-09-25 1994-04-22 Yazaki Corp Method for reducing electromagnetic interference in laminated wire harness
US5373109A (en) 1992-12-23 1994-12-13 International Business Machines Corporation Electrical cable having flat, flexible, multiple conductor sections
US5430247A (en) * 1993-08-31 1995-07-04 Motorola, Inc. Twisted-pair planar conductor line off-set structure
US5408053A (en) * 1993-11-30 1995-04-18 Hughes Aircraft Company Layered planar transmission lines
JP2860468B2 (en) * 1996-05-24 1999-02-24 モレックス インコーポレーテッド Pseudo twisted pair flat flexible cable
US6005193A (en) 1997-08-20 1999-12-21 Markel; Mark L. Cable for transmitting electrical impulses
US6055722A (en) * 1998-05-20 2000-05-02 Trw Inc. Stripline flexible cable to printed circuit board attachment system
JP2000068007A (en) * 1998-08-20 2000-03-03 Fujitsu Takamisawa Component Ltd Connector for balanced transmission with cable
US6225568B1 (en) 1998-08-31 2001-05-01 Advanced Flexible Circuits Co., Ltd. Circuit board having shielding planes with varied void opening patterns for controlling the impedance and the transmission time
US6162992A (en) 1999-03-23 2000-12-19 Cable Design Technologies, Inc. Shifted-plane core geometry cable
US6124551A (en) 1999-04-15 2000-09-26 Adaptec, Inc. Ultra thin and flexible SCSI cable and method for making the same
JP2002111324A (en) * 2000-09-28 2002-04-12 Toshiba Corp Signal transmission circuit board, manufacturing method thereof, and electronic apparatus using it
US6774741B2 (en) * 2002-05-28 2004-08-10 Decorp Americas, Inc. Non-uniform transmission line and method of fabricating the same

Also Published As

Publication number Publication date
US20030222727A1 (en) 2003-12-04
CA2490543C (en) 2012-07-31
EA200401578A1 (en) 2005-06-30
EP1514327A4 (en) 2005-07-13
CN103904394A (en) 2014-07-02
EA010439B1 (en) 2008-08-29
CN1672287A (en) 2005-09-21
NO20045658L (en) 2005-02-22
EP1514327A2 (en) 2005-03-16
AU2003240936B2 (en) 2008-12-04
AU2003240936A1 (en) 2003-12-12
WO2003100903A2 (en) 2003-12-04
MXPA05000270A (en) 2006-03-08
WO2003100903A3 (en) 2004-04-22
WO2003100903B1 (en) 2004-07-22
US6774741B2 (en) 2004-08-10

Similar Documents

Publication Publication Date Title
CA2490543A1 (en) Non-uniform transmission line and method of fabricating the same
US7637776B2 (en) Communication cabling with shielding separator system and method
US4639693A (en) Strip line cable comprised of conductor pairs which are surrounded by porous dielectric
US3466745A (en) Method of making laminated bus bar assembly
EP0971379A3 (en) Inductor device and process of production thereof
US6689958B1 (en) Controlled impedance extruded flat ribbon cable
US7804028B2 (en) Flexible flat cable and manufacturing method thereof
JP2014229442A (en) Flat cable
US20220312597A1 (en) Wired circuit board
US7663562B2 (en) Antenna and manufacturing method thereof
SE434898B (en) FLEXIBLE ELECTRIC BUMPER AND WAY TO MAKE A BIG BABY
US2305688A (en) Transposition block
JPH0442907A (en) Plane composite coil for plane transformer and its manufacture
US20130111743A1 (en) Method for manufacturing flat coaxial cable
JPH08264032A (en) Flat wire
US10374344B2 (en) Pocket connector
PL323997A1 (en) Method of manufacturing an delectric switch
WO2021124879A1 (en) Wiring circuit board and method for manufacturing same
WO2022113779A1 (en) Laminated substrate, and manufacturing method for laminated substrate
JPH07141936A (en) Manufacture of flat cable
JPH0628805Y2 (en) Power combiner / distributor
JP2002157925A (en) Cable for flat harness and its manufacturing method
JP2003208821A (en) Flat cable and its manufacturing method
KR20210096746A (en) Manufacturing Method For Round Conductor Type Bus Bar
JP2002245869A (en) Communication cable, and manufacturing method of the same

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20170529