发明名称 |
Aqueous solution for surface treatment of tin films and method for preventing discoloration of a tin film surface |
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. |
申请公布号 |
EP1757715(A3) |
申请公布日期 |
2014.12.24 |
申请号 |
EP20060254373 |
申请日期 |
2006.08.21 |
申请人 |
ROHM AND HAAS ELECTRONIC MATERIALS LLC |
发明人 |
ORIHASHI, MASANORI |
分类号 |
C25D5/48 |
主分类号 |
C25D5/48 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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