| 摘要 |
A solution and process for cleaning, deoxidizing and brightening copper or copper alloys comprising immersion of the copper or copper alloy in a solution comprising an aqueous mixture of sulfuric aid and peroxide, a low molecular weight ammonium compound, and a fatty acid amine. The solution may also be used as an etchant and/or to prepare copper or copper alloy for electroplating by modifying the concentrations of the solution's constituents.
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