Patent ID: 7686982
Filing Date: 2010-03-30
Classification: B23K,C22C,H05K

Abstract:
1. A conductive filler, characterized in that the conductive filler is a mixture of first metal particles comprising an alloy having a composition of 25 to 40% by mass of Ag, 2 to 8% by mass of Bi, 5 to 15% by mass of Cu, 2 to 8% by mass of In and 29 to 66% by mass of Sn; second metal particles comprising of an alloy having a composition of 5 to 20% by mass of Ag, 10 to 20% by mass of Bi, 1 to 15% by mass of Cu and 50 to 80% by mass of Sn; and a mixing ratio thereof is 20 to 10,000 parts by mass of the second metal particles to 100 parts by mass of the first metal particles.