Tin-gold electroplating bath and process

Details Tin-gold electroplating bath and process Tin-gold electroplating bath and process

1975-12-24

1977-03-22

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 362

Patent

active

040135233

ABSTRACT:
Disclosed is an aqueous electroplating bath suitable for plating a tin-gold alloy and a process of plating employing that bath. The bath contains gold as the auricyanide complex and tin as a stannic halide complex. The bath is operated at a pH value not in excess of 3. Where desired, the bath also contains a brightener. The electroplating bath is extremely stable and produces high quality electrodeposits.

REFERENCES:
patent: 1905105 (1933-04-01), Kersten
patent: 3598706 (1971-08-01), Freedman et al.

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