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Author:

徐广臣 (徐广臣.) | 何洪文 (何洪文.) | 聂京凯 (聂京凯.) | 郭福 (郭福.) (Scholars:郭福)

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CQVIP PKU CSCD

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:

SnBi 电迁移 无铅复合钎料 Ni颗粒 电子技术

Author Community:

  • [ 1 ] [徐广臣]北京工业大学
  • [ 2 ] [何洪文]北京工业大学
  • [ 3 ] [聂京凯]北京工业大学
  • [ 4 ] [郭福]北京工业大学

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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

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