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ELECTRIC COPPER PLATING SOLUTION FOR FLEXIBLE WIRING BOARD AND METHOD OF PRODUCING LAMINATE PRODUCED BY THE ELECTRIC COPPER PLATING SOLUTION
ELECTRIC COPPER PLATING SOLUTION FOR FLEXIBLE WIRING BOARD AND METHOD OF PRODUCING LAMINATE PRODUCED BY THE ELECTRIC COPPER PLATING SOLUTION
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机译:柔性接线板的铜电镀液和生产由铜电镀液产生的层压板的方法
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摘要
PROBLEM TO BE SOLVED: To provide an electric copper plating solution allowing for formation of a copper coating film having little ruggedness and high surface smoothness and allowing for manufacturing of a flexible wiring board having small electrolysis consumption and small warpage or twist and high dimensional stability.SOLUTION: The electric copper plating solution for a flexible wiring board is provided which contains copper sulfate, sulfuric acid, chlorine and an additive, and in which the additive contains a copolymer of diallyldialkylammonium chloride and sulfur dioxide, a copolymer of polyethylene glycol and polypropylene glycol, polyethylene glycol and bis(3-sulfopropyl)disulfide.SELECTED DRAWING: None
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