Method for stabilizing tin or tin alloy electroplating baths

Details Method for stabilizing tin or tin alloy electroplating baths Method for stabilizing tin or tin alloy electroplating baths

1978-10-17

1979-08-07

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 44, 204 54R, 204 54L, C25D 332, C25D 360

Patent

active

041637003

ABSTRACT:
A method for stabilizing tin or tin alloy electroplating baths containing citric acid or its salt and an ammonium salt, by adding at least one saturated hydroxycarboxylic acid or its salt other than citric acid or citrate and/or at least one saturated dibasic carboxylic acid.

REFERENCES:
patent: 3616291 (1971-10-01), Wilson
patent: 3951760 (1976-04-01), Fueki et al.
patent: 4021316 (1977-05-01), Fueki et al.

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