Dewetting of molten Sn on Au/Cu/Cr thin-film metallization

被引:50
作者
Liu, CY [1 ]
Kim, HK [1 ]
Tu, KN [1 ]
Totta, PA [1 ]
机构
[1] IBM CORP,E FISHKILL FACIL,HOPEWELL JCT,NY 12533
关键词
D O I
10.1063/1.117855
中图分类号
O59 [应用物理学];
学科分类号
摘要
On Au/Cu/Cr thin film surface, a drop of molten Sn first spreads out to wet the surface, but it then pulls back to dewet. The latter is due to the spalling of Cu-Sn compounds and exposing the Cr surface to the molten Sn when all of the Cu film has been consumed by the wetting reaction. Dewetting is clearly undesirable for solder joints in electronic packaging, the phenomenon is presented here. (C) 1996 American Institute of Physics.
引用
收藏
页码:4014 / 4016
页数:3
相关论文
共 9 条
[1]   STUDIES OF SLT CHIP TERMINAL METALLURGY [J].
BERRY, BS ;
AMES, I .
IBM JOURNAL OF RESEARCH AND DEVELOPMENT, 1969, 13 (03) :286-&
[2]   MORPHOLOGY OF INSTABILITY OF THE WETTING TIPS OF EUTECTIC SNBI, EUTECTIC SNPB, AND PURE SN ON CU [J].
KIM, HK ;
LIOU, HK ;
TU, KN .
JOURNAL OF MATERIALS RESEARCH, 1995, 10 (03) :497-504
[3]  
KIM HK, 1996, APPL PHYS LETT, V68, P2004
[4]  
Klein-Wassink R.J., 1989, Soldering in Electronics
[5]  
*SEM IND ASS, 1992, SEM TECHN WORKSH WOR
[6]  
Seraphim D.P., 1989, Principles of electronic packaging
[7]   SLT DEVICE METALLURGY AND ITS MONOLITHIC EXTENSION [J].
TOTTA, PA ;
SOPHER, RP .
IBM JOURNAL OF RESEARCH AND DEVELOPMENT, 1969, 13 (03) :226-&
[8]  
Tummala R.R., 1989, Microelectronics Packaging Handbook
[9]  
YOST FG, 1988, ELECT PACKAGING MAT, V108