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Aqueous solution for surface treatment of tin films and method for preventing discoloration of a tin film surface
Aqueous solution for surface treatment of tin films and method for preventing discoloration of a tin film surface
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机译:用于锡膜表面处理的水溶液和防止锡膜表面变色的方法
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摘要
To provide a solder-plating film which has good solder wettability and with which discoloration and twisting of the tin film after heat treatment are prevented. A method and a solution for surface treating a tin film are disclosed. The aqueous solution contains specific compounds and is brought into contact with a tin-plating film before reflow treatment of the tin film.
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