Process for electrolessly depositing nickel

Details Process for electrolessly depositing nickel Process for electrolessly depositing nickel

1989-08-15

1992-01-07

Beck, Shrive

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427304, 427438, C23C 2600

Patent

active

050790404

ABSTRACT:
To electrolessly depositing nickel on tungsten surfaces or molybdenum surfaces which have been deposited on surfaces of ceramic bodies, the ceramic bodies are nucleated, preferably after thorough cleaning, for example with aqueous hydrofluoric acid, by immersion in an aqueous solution containing palladium ions and then introduced into an electroless nickel-plating bath. Before the nickel-plating, the nucleated ceramic bodies are treated in a bath containing a complexing agent for palladium ions, for example in an aqueous cyanide solution.

REFERENCES:
patent: 3414427 (1968-12-01), Levy
patent: 3690921 (1972-09-01), Elmore
patent: 3857733 (1974-12-01), Arnold
patent: 4440571 (1984-04-01), Ishikawa
patent: 4604299 (1986-08-01), DeLuca
patent: 4746375 (1988-05-01), Iacovangelo
M. M. Haddad et al., "Activation of Catalyst for Electroless Plating on Molybdenum" IBM Technical Disclosure Bulletin, vol. 19, No. 3, Aug. 1976, p. 929.
A. F. Schmeckenbecher, "Electroless Nickel-Tin Process" IBM Technical Disclosure Bulletin, vol. 19, No. 3, Aug. 1976, p. 928.

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