Process for surface treatment of copper and copper alloy

Details Process for surface treatment of copper and copper alloy Process for surface treatment of copper and copper alloy

1990-11-13

1992-12-22

Silverberg, Sam

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148269, 106 1415, C23C 2206

Patent

active

051731304

ABSTRACT:
Disclosed is a process for the surface treatment of copper or a copper alloy, which comprises immersing the surface of copper or a copper alloy in an aqueous solution containing a benzimidazole compound having an alkyl group of at least 3 carbon atoms at the 2-position and an organic acid.

REFERENCES:
patent: 3933531 (1976-01-01), Sawa
patent: 4395294 (1983-07-01), Hobbins
patent: 4731128 (1988-03-01), Casullo

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