Interfacial Reactions Between Columnar or Layered Ni(P) Layers and Sn-Ag-Cu Solder

被引：0
作者：
Y.J. Hu
Y.C. Hsu
C.T. Lu
T.S. Huang
C.Y. Chen
W.N. Chuang
C.Y. Hsiao
C.P. Lin
C.Y. Liu
机构：
[1] National Central University,Department of Chemical Engineering and Materials Engineering
[2] Taiwan Uyemura Co.,undefined
[3] LTD.,undefined
来源：
Journal of Electronic Materials | 2014年 / 43卷
关键词：
Electronic package; interfacial reaction; Pb-free solder; Ni(P);
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Comparative study on the interfacial reactions between lead-free Sn-Ag-Cu solder and Ni(P) bond pads (with columnar or layered microstructure) has been performed. The microstructure of the columnar Ni(P) is vertical, while the microstructure of the layered Ni(P) tends to be parallel to the solder/Ni(P) interface. The consumption rate of the columnar Ni(P, 7 at.%) layer is larger than that of the layered Ni(P, 7 at.%). We believe that the faster Ni(P) consumption rate of the columnar Ni(P, 7 at.%) layer is due to the orientation of the grains. Spalling of the interfacial (Cu,Ni)6Sn5 compound can be seen at the reaction interfaces for the columnar Ni(P, 7 at.%) layer. On the contrary, no spalling can be seen for the case of the reacted layered Ni(P).
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页码：277 / 283
页数：6
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