Journal of Smart Processing
Online ISSN : 2187-1337
Print ISSN : 2186-702X
ISSN-L : 2186-702X
A Study of Solder Ball Joint Reliability of Electroless Ni/Pd/Au Plating - Influence of Electroless Pd Plating Film Thickness-
Yoshinori EJIRITakaaki NOUDOUAkio TAKAHASHITakehisa SAKURAIYoshinori ARAYAMAYoshiaki TSUBOMATSUKiyoshi HASEGAWA
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2016 Volume 5 Issue 4 Pages 221-228

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Abstract
We investigated the influences of Pd film thickness of electroless Ni/Pd/Au plating on the solder ball joint reliability during reflow cycles and thermal aging, using high-speed solder ball shear test. As the solder ball, Sn-3.0Ag-0.5Cu solder ball was studied. After multiple reflow cycles and thermal aging, we found that the optimum thickness of Pd film with Sn-3.0Ag-0.5Cu solder ball was 0.05-0.2 μm.
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© 2016 Smart Processing Society for Materials, Environment & Energy
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