Surface treating agent for copper or copper alloy

Details Surface treating agent for copper or copper alloy Surface treating agent for copper or copper alloy

1997-02-24

1998-08-18

Silverberg, Sam

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

106 1413, 106 1416, C23C 2205

Patent

active

057954097

ABSTRACT:
A surface treating agent for copper and a copper alloy, comprising an aqueous solution containing an imidazole compound or a benzimidazole compound, a complexon, and iron ions. The agent forms a chemical film selectively on the surface of copper while forming no film on other metals.

REFERENCES:
patent: 5173130 (1992-12-01), Kinoshita

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