Strongly acid gold alloy bath

Details Strongly acid gold alloy bath Strongly acid gold alloy bath

1981-06-03

1982-11-09

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 362

Patent

active

043583504

ABSTRACT:
For the production of abrasion resistant gold alloy coatings of low electrical contact resistance which remains constant there are needed electrolytic baths from which platinum metals can be codeposited. There are suited for this strongly acid electrolytic baths containing 1-10 g/l of gold in the form a tetracyanoaurate (III) and 0.1-5 g/l of platinum metal in the form of a soluble salt which is operated at a pH of less than 2.

REFERENCES:
patent: 3893896 (1975-07-01), Korbelak et al.
patent: 3923612 (1975-12-01), Wiesner
patent: 4168214 (1979-09-01), Fletcher et al.
patent: 4192723 (1980-03-01), Laude et al.

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