Chemistry: electrical and wave energy – Processes and products
Patent
1984-02-27
1985-11-12
Kaplan, G. L.
Chemistry: electrical and wave energy
Processes and products
C25D 350
Patent
active
045526281
ABSTRACT:
Palladium electroplating baths comprising palladium in the form of a palladium tetraammine compound, sulfamate anions, optionally sulfate anions, at least some ammonium cations, and the balance of the cations, if any, being alkali metal cations, the bath operating at a pH of about 5 to 7. The bath is substantially free of both halides and thiourea.
REFERENCES:
patent: 1921941 (1933-08-01), Powell et al.
patent: 4299670 (1981-11-01), Yahalom
patent: 4316779 (1982-02-01), Yahalom
Karustis George A.
Wilcox Jeannine
Engelhard Corporation
Kaplan G. L.
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