Metal stripping composition and method

Details Metal stripping composition and method Metal stripping composition and method

C - Chemistry, Metallurgy

23

F

149/14

C23F 1/00 (2006.01) C09K 13/08 (2006.01) C23F 1/44 (2006.01) H05K 3/06 (2006.01)

Patent

CA 1130181

RC-1498 METAL STRIPPING COMPOSITION AND METHOD ABSTRACT A composition for stripping solder and tin from a copper substrate having an extended life is provided by the inclusion of a polyacrylamide in a peroxide-fluoride based stripping composi- tion. The presence of the polyacrylamide minimizes the adverse effect of the stripping composition on the copper substrate of the material undergoing treatment.

371880

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