C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
117/77, 149/9
C23F 17/00 (2006.01) C08G 69/46 (2006.01) C08J 7/12 (2006.01) C23C 18/22 (2006.01) H05K 1/03 (2006.01) H05K 3/18 (2006.01) H05K 3/38 (2006.01)
Patent
CA 1143260
Abstract of the Invention Polyamide substrates are pre-conditioned for electroless plating by contact with an alkaline aqueous solution having a pH of at least about 10 and etched with an acid solution. The acid solution is preferably an aqueous solution of an organic acid containing at least two carbon atoms, particularly an acetic acid compound, such as trichloracetic acid.
342112
Dillard David A.
Donovan Lawrence P.
Maguire Eileen
Crown City Plating Co.
Hirons & Rogers
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