Indexed by:
Abstract:
为抑制芯片中微小焊点的电迁移,向共晶SnBi钎料中添加微米级Ni颗粒,并在??0.5 mm铜线接头上形成焊点.结果表明:当电流密度为104 A/cm2、通电96 h后,阳极附近没有出现富Bi层,即电迁移现象得到抑制.这是由于Ni颗粒与Sn形成了IMC,阻挡了Bi沿Sn基体扩散的快速通道,防止了两相分离,提高了焊点可靠性.
Keyword:
Reprint Author's Address:
Email:
Source :
电子元件与材料
ISSN: 1001-2028
Year: 2008
Issue: 11
Volume: 27
Page: 60-63
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 19
Chinese Cited Count:
30 Days PV: 8
Affiliated Colleges: