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Patent Searching and Data


Title:
CONNECTION STRUCTURE OF FLEXIBLE SUBSTRATE AND BUS BAR, WIRING MODULE AND ELECTRICITY STORAGE MODULE
Document Type and Number:
WIPO Patent Application WO/2020/255878
Kind Code:
A1
Abstract:
A connection structure of a flexible substrate and a bus bar 21 according to the present disclosure is provide with a flexible substrate, a plurality of bus bars 21 and a connection piece 50; the flexible substrate is formed to be covered by a resin base material and a plurality of conducting paths 31 containing a first metal; the bus bars 21 are formed to contain a second metal; each conducting path 31 has a second conducting path 33 that extends from a first conducting path 32; the resin base material has a sub film part 46 that is branched from a main film part 41 and extends to the upper surfaces of the bus bars 21; the second conducting paths 33 are arranged on the sub film part 46; the connection piece 50 is formed to contain a third metal that achieves a higher bonding strength at welded parts with the first metal and the second metal than the bonding strength at a welded part of the first metal and the second metal; and the second conducting paths 33 and the bus bars 21 are bonded with the connection piece 50 by welding or brazing.

Inventors:
SUNAGA TAKAHIRO (JP)
HIRAMITSU HIROOMI (JP)
SATO YUTO (JP)
Application Number:
PCT/JP2020/023220
Publication Date:
December 24, 2020
Filing Date:
June 12, 2020
Export Citation:
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Assignee:
AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
H01M2/10; H01M2/20; H05K1/14; H05K3/36
Foreign References:
JP2012226969A2012-11-15
JP2011228216A2011-11-10
JP2012190678A2012-10-04
JPH02256158A1990-10-16
JPS51134344A1976-11-20
Attorney, Agent or Firm:
AKATSUKI UNION PATENT FIRM (JP)
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