Pretreatment process of tin lead plating

Details Pretreatment process of tin lead plating Pretreatment process of tin lead plating

1991-09-03

1994-03-22

Beck, Shrive

Coating processes

With pretreatment of the base

Metal base

427 98, 427437, B05D 300

Patent

active

052962687

ABSTRACT:
A process for plating a tin-lead alloy on a substrate by displacement plating from an immersion plating solution containing dissolved tin and lead. The process includes the steps of pretreatment of a substrate by contact with a solution containing a pH adjustor for said immersion deposition solution followed by contact of the substrate with said immersion plating solution for a time sufficient to deposit an alloy of tin and lead.

REFERENCES:
patent: 2282511 (1942-05-01), Bradley
patent: 4027055 (1977-05-01), Schneble, Jr.
patent: 4085066 (1978-04-01), Gulla
patent: 4093466 (1978-06-01), Davis
patent: 4194913 (1980-03-01), Davis
patent: 4234631 (1980-11-01), Davis
patent: 4322451 (1982-03-01), Emerson et al.
patent: 4328266 (1982-05-01), Feldstein
patent: 5104688 (1992-04-01), Ferrier et al.

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