Gold plating bath and method

Details Gold plating bath and method Gold plating bath and method

1989-09-06

1990-04-03

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 475, 106 123, 106 126, 427437, C25D 348, C25D 362, C23C 1844

Patent

active

049137875

ABSTRACT:
A gold plating bath having potassium aurous cyanide and thiourea complexing agent dissolved in water and adjusted to an acidity of pH 3 or lower can be used as either electroplating or electroless plating bath. Bright gold electroplating is possible when a brightener is added to the bath. Electroless plating is possible when a reducing agent, typically sodium hypophosphite is added to the bath.

REFERENCES:
patent: 3506462 (1970-04-01), Oda et al.

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