Sensitizing activator composition for chemical plating

Details Sensitizing activator composition for chemical plating Sensitizing activator composition for chemical plating

1988-09-02

1990-06-12

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C23C 1828

Patent

active

049330101

ABSTRACT:
Disclosed is a sensitizing activator for chemical plating operations, that uniformly and efficiently deposits a substance capable of catalytically depositing a plating metal from a plating solution, such as colloidal palladium, on the surface of a material to be plated. The activator includes stannous chloride and palladium chloride colloidally dispersed in a dilute solution of sulfuric acid and sodium chloride. The activator advantageously avoids corrosion of the black oxide that is formed on the inner copper foil of copper-clad laminates.

REFERENCES:
patent: 3904792 (1972-09-01), Gulla et al.
patent: 3961109 (1976-06-01), Kremer et al.
patent: 4061588 (1977-12-01), Gulla
patent: 4604299 (1986-08-01), De Luca
Chem Abst 89:90843s, Okabayashi, 1978.

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