WO2015114416A1 - Flat flexible electrically conductive tape - Google Patents
Flat flexible electrically conductive tape Download PDFInfo
- Publication number
- WO2015114416A1 WO2015114416A1 PCT/IB2014/062762 IB2014062762W WO2015114416A1 WO 2015114416 A1 WO2015114416 A1 WO 2015114416A1 IB 2014062762 W IB2014062762 W IB 2014062762W WO 2015114416 A1 WO2015114416 A1 WO 2015114416A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrically conductive
- layer
- flat flexible
- flexible electrically
- conductive tape
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4611—Manufacturing multilayer circuits by laminating two or more circuit boards
- H05K3/4626—Manufacturing multilayer circuits by laminating two or more circuit boards characterised by the insulating layers or materials
- H05K3/4635—Manufacturing multilayer circuits by laminating two or more circuit boards characterised by the insulating layers or materials laminating flexible circuit boards using additional insulating adhesive materials between the boards
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/117—Pads along the edge of rigid circuit boards, e.g. for pluggable connectors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0137—Materials
- H05K2201/0154—Polyimide
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
- H05K2201/09845—Stepped hole, via, edge, bump or conductor
Definitions
- the present invention relates to a flat flexible electrically conductive tape comprising a thin flexible substrate and a thin electrical conductor arranged thereon.
- a flat flexible electrically conductive tape is disclosed, for instance, by the publication of international patent application No. WO 2006/116677 A2.
- Known conductor comprises an elastic substrate, made of Kapton, on which tracks are made of conductive ink, more specifically of carbon-based ink.
- this known solution does not meet simultaneously the requirements for great length, for instance over 1 m, elasticity and low conductor weight. It is the object of the present invention to create a flat flexible electrically conductive tape of the aforementioned kind, by which the deficiencies of known solutions are eliminated.
- Fig. 1 shows a three-dimensional view of a flat flexible electrically conductive tape according to the invention
- Fig. 2 shows a second embodiment of a flat flexible electrically conductive tape of Fig.
- a flat flexible electrically conductive tape A comprises a supporting layer 1 and an electrically conductive layer 2 arranged thereon, the side thereof being averted from said supporting layer 1 being covered with a protective layer 3.
- Said supporting layer 1 is formed as a strip-shaped elastic substrate, such as Polyimide film (Kapton), wherein the electrically conductive layer 2 which is arranged on said layer 1 is selected as a metal layer, preferably of aluminium, wherein the side of said electrically conductive layer 2 which is averted from said supporting layer 1 is covered with a protective layer 3, for instance of plastic material.
- Said layers 1, 2, 3 are mutually joined, for instance, by a process of lamination.
- the electrical conductor A created in a described manner is formed at each free end thereof with an area 5, 6, which is free of the protective layer 3 and is intended for installation of the connector or for further electrical connection.
- said conductive layer 2 is at least in the area 5, 6 coated with a material that couples better to the connector than the conductive layer 2.
- One of the options provides a galvanic coating of tin on the conductive layer 2 made of aluminium.
- the set of said flexible electrically conductive tapes A each having a supporting layer 1, a conductive layer 2 and a protective layer 3, can be assembled according to the invention in such a manner that they are arranged one on top of another, whereby a layer 4 of adhesive agent is disposed between the two adjacent conductors A.
- the respective adjacent conductors A are joined by means of said layer 4 of adhesive agent by means of lamination process.
- said protective layer 3 is absent on all of the conductors A in the set, and is present only on the outermost of the conductors A which are assembled in said set.
- At least one conductive layer 2 is optionally divided into a plurality of mutually parallel and electrically separate sections 2', for instance, by the process of etching.
- Such set of electrical conductors is formed in such a manner that the respective lower conductor A is longer than the upper conductor A, thus, enabling the connector to be connected to respective free end in the area 5, 6 of the respective conductor A, or further electrical connection is to be facilitated.
- a flat flexible electrically conductive tape according to the invention as described above allows a high filling ratio of the conductive layer 2 and the insulating layer 1, 4, 3.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
- Structure Of Printed Boards (AREA)
Abstract
The present invention relates to a flat flexible electrically conductive tape comprising a thin flexible substrate and a thin electrical conductor arranged thereon. According to the present invention it is provided that the flat flexible electrically conductive tape comprises a set of flexible electrical conductors (A), each having a supporting layer (1), a conductive layer (2) and a protective layer (3), which are disposed one on top of another, whereby a layer (4) of adhesive agent is disposed between the two adjacent conductors (A).
Description
FLAT FLEXIBLE ELECTRICALLY CONDUCTIVE TAPE
The present invention relates to a flat flexible electrically conductive tape comprising a thin flexible substrate and a thin electrical conductor arranged thereon.
A flat flexible electrically conductive tape is disclosed, for instance, by the publication of international patent application No. WO 2006/116677 A2. Known conductor comprises an elastic substrate, made of Kapton, on which tracks are made of conductive ink, more specifically of carbon-based ink. However, this known solution does not meet simultaneously the requirements for great length, for instance over 1 m, elasticity and low conductor weight. It is the object of the present invention to create a flat flexible electrically conductive tape of the aforementioned kind, by which the deficiencies of known solutions are eliminated.
The object as set above is achieved by means of the features given in the characterizing portion of the claim 1. Details of the invention are disclosed in the subclaims.
The invention is hereinafter described in more detail on the basis of non-limiting embodiment and with reference to the accompanying drawing, wherein
Fig. 1 shows a three-dimensional view of a flat flexible electrically conductive tape according to the invention,
Fig. 2 shows a second embodiment of a flat flexible electrically conductive tape of Fig.
1.
A flat flexible electrically conductive tape A according to the invention comprises a supporting layer 1 and an electrically conductive layer 2 arranged thereon, the side thereof being averted from said supporting layer 1 being covered with a protective layer 3. Said supporting layer 1 is formed as a strip-shaped elastic substrate, such as Polyimide film (Kapton), wherein the electrically conductive layer 2 which is arranged on said layer 1 is selected as a metal layer, preferably of aluminium, wherein the side of said electrically conductive layer 2 which is averted from said supporting layer 1 is covered with a
protective layer 3, for instance of plastic material. Said layers 1, 2, 3 are mutually joined, for instance, by a process of lamination. The electrical conductor A created in a described manner is formed at each free end thereof with an area 5, 6, which is free of the protective layer 3 and is intended for installation of the connector or for further electrical connection. In order to enable in the above-mentioned area 5, 6 of the conductor A as good connection as possible of the conductive layer 2 with a connector, for instance, said conductive layer 2 is at least in the area 5, 6 coated with a material that couples better to the connector than the conductive layer 2. One of the options provides a galvanic coating of tin on the conductive layer 2 made of aluminium.
Furthermore, the set of said flexible electrically conductive tapes A, each having a supporting layer 1, a conductive layer 2 and a protective layer 3, can be assembled according to the invention in such a manner that they are arranged one on top of another, whereby a layer 4 of adhesive agent is disposed between the two adjacent conductors A. The respective adjacent conductors A are joined by means of said layer 4 of adhesive agent by means of lamination process. Optionally, it is possible that in the case of the assembly of said conductors A said protective layer 3 is absent on all of the conductors A in the set, and is present only on the outermost of the conductors A which are assembled in said set. Furthermore, according to the present invention it is provided that at least one conductive layer 2 is optionally divided into a plurality of mutually parallel and electrically separate sections 2', for instance, by the process of etching. Such set of electrical conductors is formed in such a manner that the respective lower conductor A is longer than the upper conductor A, thus, enabling the connector to be connected to respective free end in the area 5, 6 of the respective conductor A, or further electrical connection is to be facilitated.
A flat flexible electrically conductive tape according to the invention as described above allows a high filling ratio of the conductive layer 2 and the insulating layer 1, 4, 3.
Claims
1. A flat flexible electrically conductive tape comprising a thin flexible substrate and a thin electrical conductor arranged thereon, characterized in that it comprises a set of flexible electrically conductive tapes (A), each comprising a supporting layer (1), a conductive layer (2) and a protective layer (3 disposed one on top of another, wherein a layer (4) of adhesive agent is disposed between the two adjacent conductors (A).
2. A flat flexible electrically conductive tape according to claim 1, characterized in that the respective adjacent conductors (A) are joined by means of adhesive agent of said layer (4) by means of lamination process.
3. A flat flexible electrically conductive tape according to claim 1, characterized in that said protective layer (3) is present only on the outermost of the conductors (A) which are assembled in said set.
4. A flat flexible electrically conductive tape according to claims 1 to 3, characterized in that the electrical conductor (A) is formed at each free end thereof with an area (5, 6), which is free of the protective layer (3), wherein said conductive layer (2) is at least in the area (5, 6) coated with a material which has a better coupling characteristic than a conductive layer (2).
5. A flat flexible electrically conductive tape according to claim 4, characterized in that the material with a better coupling characteristic than a conductive layer (2) is selected as the galvanic coating of tin on the conductive layer (2) made of aluminium.
6. A flat flexible electrically conductive tape according to one of the preceding claims, characterized in that the respective lower conductor (A) is longer than the upper conductor.
7. A flat flexible electrically conductive tape according to one of the preceding claims, characterized in that at least one conductive layer (2) is divided into a plurality of parallel and electrically separate sections (2') by the process of etching.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SIP-201400036 | 2014-02-03 | ||
SI201400036A SI24624A (en) | 2014-02-03 | 2014-02-03 | A flat flexible electrical conductor |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015114416A1 true WO2015114416A1 (en) | 2015-08-06 |
Family
ID=51383908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2014/062762 WO2015114416A1 (en) | 2014-02-03 | 2014-07-01 | Flat flexible electrically conductive tape |
Country Status (2)
Country | Link |
---|---|
SI (1) | SI24624A (en) |
WO (1) | WO2015114416A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5516989A (en) * | 1994-05-16 | 1996-05-14 | Nippon Mektron, Ltd. | Structure of the flexing section of a multilayer flexible circuit board |
US20040194999A1 (en) * | 2003-04-03 | 2004-10-07 | Matsushita Electric Industrial Co., Ltd. | Wiring board, method for manufacturing a wiring board and electronic equipment |
WO2006116677A2 (en) | 2005-04-28 | 2006-11-02 | Ivy Biomedical Systems, Inc. | Ecg cable for use in mri |
US20080119711A1 (en) * | 2006-11-16 | 2008-05-22 | Suwas Nikumb | Neurological probe and method of using same |
US20100023102A1 (en) * | 2006-07-28 | 2010-01-28 | Med El Elektro-Medizinische Gerate Gesellschaft m.b.H | Layered Electrode Array and Cable |
US20120247811A1 (en) * | 2011-04-01 | 2012-10-04 | Advanced Flexible Circuits Co., Ltd. | Composite circuit board with fracturable structure |
-
2014
- 2014-02-03 SI SI201400036A patent/SI24624A/en not_active IP Right Cessation
- 2014-07-01 WO PCT/IB2014/062762 patent/WO2015114416A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5516989A (en) * | 1994-05-16 | 1996-05-14 | Nippon Mektron, Ltd. | Structure of the flexing section of a multilayer flexible circuit board |
US20040194999A1 (en) * | 2003-04-03 | 2004-10-07 | Matsushita Electric Industrial Co., Ltd. | Wiring board, method for manufacturing a wiring board and electronic equipment |
WO2006116677A2 (en) | 2005-04-28 | 2006-11-02 | Ivy Biomedical Systems, Inc. | Ecg cable for use in mri |
US20100023102A1 (en) * | 2006-07-28 | 2010-01-28 | Med El Elektro-Medizinische Gerate Gesellschaft m.b.H | Layered Electrode Array and Cable |
US20080119711A1 (en) * | 2006-11-16 | 2008-05-22 | Suwas Nikumb | Neurological probe and method of using same |
US20120247811A1 (en) * | 2011-04-01 | 2012-10-04 | Advanced Flexible Circuits Co., Ltd. | Composite circuit board with fracturable structure |
Also Published As
Publication number | Publication date |
---|---|
SI24624A (en) | 2015-08-31 |
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