Electrolyte solution and process for gold electroplating

Details Electrolyte solution and process for gold electroplating Electrolyte solution and process for gold electroplating

1987-05-29

1988-07-05

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 445, C25D 356, C25D 362

Patent

active

047552646

ABSTRACT:
Gold plating baths comprising a nickel or cobalt brightener/hardener, containing oxalic acid and additionally at least one dicarboxylic acid selected from the group consisting of succinic acid, malonic acid, glutaric acid and adipic acid, enable the use of low current densities with improved efficiencies in producing bright deposits; also enable bright deposits to be obtained at high temperatures of about 150.degree. F.

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patent: 4436595 (1984-03-01), Matson
patent: 4615774 (1986-10-01), Somers et al.
patent: 4670107 (1987-06-01), Lochet

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