Coating aluminum with a strippable copper deposit

Details Coating aluminum with a strippable copper deposit Coating aluminum with a strippable copper deposit

C - Chemistry, Metallurgy

25

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C25D 1/04 (2006.01) C25D 5/44 (2006.01) C25D 7/06 (2006.01) H05K 3/02 (2006.01) H05K 3/38 (2006.01)

Patent

CA 1054969

Abstract of the Disclosure An improvement in providing a mechanically strippable copper plate on an aluminum carrier is achieved by pretreating the aluminum carrier with an alkaline, aqueous, alkali metal zincate composition containing a small amount of` one or more water soluble iron, cobalt or nickel salts, and removing sub- stantially all of the deposited zincate coating with acid prior to copper plating.

253771

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