Chemistry: electrical and wave energy – Processes and products
Patent
1975-11-13
1977-12-13
Kaplan, G. L.
Chemistry: electrical and wave energy
Processes and products
204 46G, C25D 348, C25D 362
Patent
active
040627365
ABSTRACT:
Disclosed is a bath and process for obtaining deposits of gold or gold alloys of improved uniformity of deposit thickness on an irregularly shaped conductive surface. The aqueous plating bath contains gold as the aurocyanide complex, a mild reducing agent, a complexing agent, arsenic as a water-soluble arsenic compound, and a substituted polyamine.
REFERENCES:
patent: 3642589 (1972-02-01), Nobel et al.
patent: 3783111 (1974-01-01), Bick et al.
patent: 3878066 (1975-04-01), Dettke et al.
patent: 3878068 (1975-04-01), Bick et al.
Losi Salvatore
Marka Erwin
Meyer Andre R.
Rudio Jacques
Zuntini Franco
Claeboe B. F.
Kaplan G. L.
Kluegel Arthur E.
Mueller Richard P.
Oxy Metal Industries Corporation
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