Non-precious metal colloidal dispersions for electroless metal d

Details Non-precious metal colloidal dispersions for electroless metal d Non-precious metal colloidal dispersions for electroless metal d

1976-10-12

1979-01-23

Kendall, Ralph S.

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427304, 427305, 106 111, C23C 302

Patent

active

041362160

ABSTRACT:
Metallic surfaces are imparted to non-conductive or dielectric substrates by an electroless coating process comprising coating the surface of the substrate with a hydrous oxide colloid of non-precious metal ions preferably selected from the group consisting of cobalt, nickel and copper ions, reducing the selected metal ions to a reduced or zero valence state with a suitable reducing agent, and exposing the substrate to an electroless plating bath.

REFERENCES:
patent: 1976920 (1934-10-01), Christiansen et al.
patent: 2273643 (1942-02-01), Hurd
patent: 3657003 (1972-04-01), Kenney
patent: 3793072 (1974-02-01), Lando
patent: 3958048 (1976-05-01), Donovan et al.
patent: 3993799 (1976-11-01), Feldstein

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