Gold sulfite baths containing organophosphorous compounds

Details Gold sulfite baths containing organophosphorous compounds Gold sulfite baths containing organophosphorous compounds

1975-08-26

1977-03-15

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 46G, C25D 348, C25D 362

Patent

active

040122948

ABSTRACT:
Disclosed is an improved gold-sulfite bath for plating gold and gold alloy deposits. By the inclusion in the bath of small amounts of certain organic phosphorus compounds, the quality of the deposit is rendered less sensitive to substantial changes in operating variables.

REFERENCES:
patent: 3057789 (1962-10-01), Smith
patent: 3475292 (1969-10-01), Shoushanian
patent: 3666640 (1972-05-01), Smith
patent: 3672969 (1972-07-01), Nobel et al.
patent: 3883409 (1975-05-01), Olivier
patent: 3904493 (1975-09-01), Losi et al.
Sonya J. Westerback et al., Nature, vol. 178, pp. 321-322, Aug. 11, 1956.

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