Patent ID: 6691912
Filing Date: 2004-02-17
Classification: H05K

Abstract:
A method for providing a soldered surface that is substantially free of blow-holes, comprising:(a) contacting a surface with a conditioning composition to provide a conditioned surface, said conditioning composition comprising a cationic conditioning agent and at least one ingredient selected from an anionic dispersing agent and a binder selected from the group consisting of carbohydrates, anionic polymers, acrylics, vinyl resins, pyrrolidinone resins, polyols, polyvinyl alcohols, epoxy resins, cresol novolac resins, phenol novolac resins, epichlorohydrin resins, bisphenol resins, phenolic resins, natural resins, polymerizable materials, and combinations thereof; (b) contacting said conditioned surface with a conductive carbon coating to provide a carbon coated surface; (c) electroplating said carbon coated surface to provide an electroplated surface; and (d) soldering said electroplated surface to provide a soldered surface that is substantially free of blow-holes.