Plating baths and methods for electro-deposition of gold or gold

Chemistry: electrical and wave energy – Processes and products

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204 28, 204 443, 204 46G, C25D 348, C25D 362, C25D 502

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active

045914150

ABSTRACT:
Aqueous acid gold or gold alloy baths containing a substituted pyridine carboxylic acid, pyridine thiol, quinoline carboxylic acid, quinoline thiol, or a derivative or mixtures thereof, as an additive and methods of using such baths.

REFERENCES:
patent: 3902977 (1975-09-01), Greenspan
patent: 3929595 (1975-12-01), Biberbach et al.
Chemical Abstracts, vol. 103, No. 13580j, "Electrolyte for Use in Electroplating Semibright Gold Alloys" (1985).
R. T. Hill et al., IEEE Trans. on Components, Hybrids, and Manufac. Technol., vol. CHMT-Z, No. 3, pp. 324-329, Sep. 1979.

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