Bismuth composition, method of electroplating a tin-bismuth allo

Details Bismuth composition, method of electroplating a tin-bismuth allo Bismuth composition, method of electroplating a tin-bismuth allo

1981-01-09

1982-05-25

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

260447, C25D 360, C07F 994

Patent

active

043315186

ABSTRACT:
An improved electrotinplating process and acidic electroplating bath therefor is disclosed. The acidic electroplating bath contains tin ions and a chelate salt comprising an acid bismuth sulfate gluconate. An improved electrotinplating process is therefore provided which produces an electroplated tin-bismuth alloy which is resistant to the effects of tin pest and the formation of tin whiskers.

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