palladium layers deposition process

Details palladium layers deposition process palladium layers deposition process

1997-08-20

1999-03-16

Beck, Shrive

Coating processes

Immersion or partial immersion

Metal base

427 96, 4271265, 427304, 4274431, 106 115, 106 124, B05D 118, B05D 310, B05D 512

Patent

active

058827366

ABSTRACT:
A formaldehyde-free chemical bath containing a palladium salt, a nitrogenated completing agent, and formic acid or formic acid derivatives, at a pH of greater than 4 and a process of using the chemical bath for depositing on a metal surface an adhesive, permanently glossy, bright palladium layer with few pores. The metal surface may be pretreated in a cementation palladium bath. The metal surface contains at least one of copper, nickel, and cobalt, as well as their alloys with one another and/or with phosphorus or boron.

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