Process and bath for the electrolytic deposition of gold-tin all

Details Process and bath for the electrolytic deposition of gold-tin all Process and bath for the electrolytic deposition of gold-tin all

1986-02-26

1987-01-06

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 362

Patent

active

046345051

ABSTRACT:
To produce electrolytic deposition of glossy gold/tin alloys there are employed baths having a pH below 3 which contain 1 to 20 g/l gold in the form of tetracyanoaurate (III), 0.1 to 10 g/l tin, an acid and a conducting salt, whereby the tin is in the form of a tin (IV)-oxalato complex.

REFERENCES:
patent: 3475290 (1969-10-01), Yamamura et al.
patent: 4013523 (1977-03-01), Stevens et al.
patent: 4069113 (1978-01-01), Crossley et al.
patent: 4391679 (1983-07-01), Zilske et al.

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