Patent ID: 9247652
Filing Date: 2016-01-26
CPC Classification: B22F,B23K,C08K,C09J,H01B,H01L,H05K,Y10T

Claim Text:
1. An adhesive composition, comprising electroconductive particles (A) and a binder component (B), wherein the electroconductive particles (A) comprise a metal (a1) having a melting point equal to or higher than a reflow temperature and containing no lead, and a metal (a2) having a melting point lower than the reflow temperature and containing no lead, and the binder component (B) comprises a thermosetting resin composition (b1) and an aliphatic dihydroxycarboxylic acid (b2), wherein the thermosetting resin composition (b1) comprises an epoxy resin, and the aliphatic dihydroxycarboxylic acid (b2) is an aliphatic dihydroxycarboxylic acid represented by the following general formula (1): wherein R wherein the content of the aliphatic dihydroxycarboxylic acid (b2) is 0.1 part or more by weight and 20 parts or less by weight for 100 parts by weight of the metal (a2) having the melting point lower than the reflow temperature and containing no lead.