標題: Electromigration-induced Pb and Sn whisker growth in SnPb solder stripes
作者: Wei, C. C.
Liu, P. C.
Chen, Chih
Tu, K. N.
材料科學與工程學系
Department of Materials Science and Engineering
公開日期: 1-七月-2008
摘要: Electromigration at 5 x 10(4) A/cm(2) and 100 degrees C was conducted to grow composite Pb/Sn whiskers from SnPb solders, in which a Pb whisker grows first and then a whisker of Sn grows. In some cases, small Sn islands are embedded in Pb whiskers. The diameter of a composite whisker is < 1 mu m, which is much smaller than that of spontaneous Sn whisker growth on leadframes. The growth orientation of Pb whiskers was in the [110], [111], and [112] directions. This investigation proposes that compressive stress generated by electromigration at the anode provides the force driving whisker growth. Therefore, accelerated tests of whisker growth at higher temperatures using electromigration are feasible.
URI: http://dx.doi.org/10.1557/jmr.2008.0253
http://hdl.handle.net/11536/8657
ISSN: 0884-2914
DOI: 10.1557/jmr.2008.0253
期刊: JOURNAL OF MATERIALS RESEARCH
Volume: 23
Issue: 7
起始頁: 2017
結束頁: 2022
顯示於類別:期刊論文


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