Method for electrolessly depositing metals using improved sensit

Details Method for electrolessly depositing metals using improved sensit Method for electrolessly depositing metals using improved sensit

1974-03-25

1976-09-21

Kendall, Ralph S.

Coating processes

With pretreatment of the base

106 1, 427304, 427306, 427305, C23C 302

Patent

active

039820548

ABSTRACT:
Method for autocatalytically plating a dielectric surface with a metal such as nickel, cobalt or copper comprising sensitizing the surface with a sensitizing solution comprising both divalent tin, tetravalent tin and a substance furnishing either additional chloride ion (that is, in addition to what may be present in the sensitizer compounds) or bromide ion. The method also includes treating the sensitized surface with a catalyzing solution to provide catalytic nucleating centers and plating the metal on the catalyzed surface.

REFERENCES:
patent: 3379556 (1968-04-01), Chiecchi
patent: 3573973 (1971-04-01), Drotar et al.
patent: 3616296 (1971-10-01), Bernhardt et al.
patent: 3666527 (1972-05-01), Feldstein et al.
patent: 3698939 (1972-10-01), Leaman
patent: 3764488 (1973-10-01), Bernhardt et al.
patent: 3793072 (1974-02-01), Lando
patent: 3904792 (1975-09-01), Gulla et al.

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