Surface Finishes Forum Conference Proceedings


FINAL SURFACE TREATMENT FOR PKGS AND PWBS FOR LEAD FREE SOLDERING

Authors: Shigeo Hashimoto, et al.
Company: C. Uyemura & Co., Ltd.
Date Published: 5/4/2000   Conference: Surface Finishes Forum


Abstract: Final surface treatment for PKGs and PWBs is mainly to ensure the reliability of the parts mounted thereon. We compared and evaluated three options - electroless Ni-P/Au plating, electroless Au, Ag, Sn plating on a copper plane, and OSP plating - using solder balls of Sn/Pb and Sn/Ag/Cu.



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