Bath and process for the electrolytic deposition of gold-indium

Details Bath and process for the electrolytic deposition of gold-indium Bath and process for the electrolytic deposition of gold-indium

1986-01-28

1986-10-14

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 362

Patent

active

046170960

ABSTRACT:
Light yellow, glossy and ductile gold-indium alloys which have a good resistance to gradual corrosion by silver sulfide are obtained from electrolytic (galvanic) baths containing 1 to 20 g/l of gold in the form of alkali or ammonium tetracyanoaurate (III), 0.5-50 g/l of indium in the form of a water soluble indium salt, a buffer or conducting salt and 0.5 to 10 mg/l of selenium and/or tellurium.

REFERENCES:
patent: 3990954 (1976-11-01), Foulke et al.
patent: 4391679 (1983-07-01), Zilske et al.

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