Palladium electroplating and bath thereof

Chemistry: electrical and wave energy – Processes and products

Patent

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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

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