Abstract:Brittle solder joints in Electroless Ni electroless Pd immersion Au (ENEPIG) surface finishes are one of the key re liability issues in electronics assembly. Previous characterization of the reflow process has indicated that interfa cial voids formed after solder reflow are responsible for the decreases in solder joint strength. However, the mechanisms behind the formation of these voids in the ENEPIG process remain unclear. In this paper, the inter action between various aspects of the ENEPIG process and sold… Show more
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