Bath and method for electrodepositing tin, lead and tin-lead all

Details Bath and method for electrodepositing tin, lead and tin-lead all Bath and method for electrodepositing tin, lead and tin-lead all

1991-04-12

1993-02-09

Niebling, John

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Depositing predominantly alloy coating

205253, 106 112, C25D 360

Patent

active

051850761

ABSTRACT:
A bath for electrodepositing tin, lead or an alloy thereof, containing a tin and/or lead ion and a sulfate ion becomes stable at pH 1 or higher when a condensed phosphate ion is added thereto. The bath is effective for depositing tin-lead alloy films on sealing glass-metal integrated articles.

REFERENCES:
patent: 3887444 (1975-06-01), Fueki et al.
patent: 3984291 (1976-10-01), Lerner et al.
patent: 4329207 (1982-05-01), Maruta
patent: 4946748 (1990-08-01), Higuchi et al.

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