journal article·2019-01

Significant improvement of the thermal stability and electrochemical corrosion resistance of the Au/Pd surface finish through catalytic modification

Y.H. Huang, S.P. Yang, P.T. Lee, T.T. Kuo, C.E. Ho

Corrosion Science· Volume 146
Publisher page

Abstract

Abstract The thermal reliability and electrochemical corrosion of Au/Pd (electroless palladium/immersion gold, EPIG) and Au/Pd/Au (immersion gold/electroless palladium/immersion gold, IGEPIG) surface finishes over Cu traces were characterized in this study. The predeposition of a Au nanolayer over Cu (i.e., IGEPIG case) served as the catalysts for the electroless reduction of Pd2+ ions and modified the polycrystalline Pd structure (EP) into a dense Pd film with limited grain boundaries and nanochannels/nanovoids. This phenomenon greatly improved the thermal reliability and corrosion resistance of the Au/Pd/Cu structure (EPIG case), even though the predeposited Au film was only 10 nm thick.
Source: openaire · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: Electrodeposition and Electroless Coatings · Semiconductor materials and devices · Semiconductor materials and interfaces

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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