H - Electricity – 05 – K
Patent
H - Electricity
05
K
356/12, 337/76
H05K 1/02 (2006.01) H01R 4/04 (2006.01) H05K 3/32 (2006.01) H05K 1/18 (2006.01) H05K 3/36 (2006.01)
Patent
CA 1227579
ABSTRACT OF THE DISCLOSURE An electrically conductive adhesive sheet is disclosed which has an electrically conducting property across a thickness thereof and an electrically insulating property along a sheet surface direction. The electrically conductive adhesive sheet comprises an electrically insulating adhesive material and electrically conductive metal powder uniformly dispersed therein. The metal powder has a melting point lower than a certain working temperature, and is flattened by application of pressure between a pair of conductors between which the adhesive sheet is provided. The adhesive material is molten at the certain working temperature and is flown by application of pressure. The adhesive sheet is useful to electrically connect a pair of circuit boards each having a plurality of conductor patterns thereon by bonding corresponding ones through the metal powder as molten, while keeping the neibouring patterns insulated. The circuit board is mechanically integrated simultaneously by the adhesive sheet. The circuit board and the connection structure using such an adhesive sheet as above are also disclosed.
470624
Ando Hisashi
Fujiwara Yoshio
Kobayashi Naotake
Matsubara Yuichi
Numao Hidehiro
Gowling Lafleur Henderson Llp
Sony Corporation
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