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Effects of interinetallic compounds on properties of Sn-Cu lead-free soldered joints

M. N. Islam, Y. C. Chan, M. O. Alam

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

The environmentally conscious manufacturer is moving toward 'green products' for electronic devices and components. In this paper we investigate the interfacial reactions of Sn0.7Cu solder on electrolytic Ni layer for extended times reflow. It is found that during as-reflowed, the formation of Cu-rich Sn-Cu-Ni ternary intermetallic compounds (TIMCs) at the interface of Sn0.7Cu solder with electrolytic Ni is much quicker, resulting in the entrapment of some Pb (which is present (about 0.02wt%) as impurity in the Sn-Cu solder) rich phase in the TIMCs. During extended time of reflow, high (>30at %), medium (30-15at %) and low (
Original languageEnglish
Title of host publicationProceeding of 2005 International Conference on Asian Green Electronics- Design for Manufacturability and Reliability, 2005AGEC
Pages185-191
Volume2005
DOIs
Publication statusPublished - 2005
Event2005 International Conference on Asian Green Electronics- Design for Manufacturability and Reliability, 2005AGEC - Shanghai, China
Duration: 15 Mar 200518 Mar 2005

Publication series

Name
Volume2005

Conference

Conference2005 International Conference on Asian Green Electronics- Design for Manufacturability and Reliability, 2005AGEC
PlaceChina
CityShanghai
Period15/03/0518/03/05

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