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Author:

张睿竑 (张睿竑.) | 徐广臣 (徐广臣.) | 邰枫 (邰枫.) | 郭福 (郭福.) (Scholars:郭福) | 夏志东 (夏志东.) | 雷永平 (雷永平.) (Scholars:雷永平)

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CQVIP PKU CSCD

Abstract:

探究了颗粒增强无铅复合钎料的电迁移特性。试验采用具有纳米结构的笼型硅氧烷齐聚物(POSS)颗粒作为增强颗粒,制备SnBi基复合钎料。在25oC,104A/cm2条件下,对钎料一维焊点实施不同时间的通电试验,并对焊点表面形貌和内部显微组织进行观察。结果表明,相对于共晶SnBi焊点,POSS颗粒增强复合钎料焊点的电迁移现象明显受到抑制。通电336h后,复合钎料焊点表面变化很小,界面处聚集的富Sn和富Bi层厚度很小,表明POSS颗粒能够有效抑制通电焊点中的物质扩散。

Keyword:

电迁移 POSS颗粒 无铅钎料

Author Community:

  • [ 1 ] 北京工业大学

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Source :

稀有金属材料与工程

Year: 2011

Issue: S2

Volume: 40

Page: 45-50

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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