发明名称 |
WASHING SOLUTION FOR SURFACE OF ELECTROLESS TIN PLATING FILM, REPLENISHING SOLUTION FOR SAID WASHING SOLUTION, AND METHOD FOR FORMING TIN PLATING LAYER |
摘要 |
The present invention relates to: a washing solution for a tin plating film, which can be used for washing in advance of the washing with water after electroless tin plating; and a method for forming a tin plating layer, which includes a step of washing with the washing solution. The washing solution according to the present invention is an acidic aqueous solution containing an acid, a complexing agent, a stabilizer and a chloride ion. The washing solution contains the chloride ion at a concentration of 2% by weight or more, and also contains tin at a concentration of 0.5% by weight or less. The washing solution according to the present invention has good washing performance against the surface of a tin plating film, can maintain the properties of the tin plating film readily, has a small influence on the surface of the plating film even when used continuously, and has excellent long-term stability. |
申请公布号 |
WO2016103816(A1) |
申请公布日期 |
2016.06.30 |
申请号 |
WO2015JP76490 |
申请日期 |
2015.09.17 |
申请人 |
MEC COMPANY LTD. |
发明人 |
SHIBANUMA, YUKO;GODA, TATSUYA;NIGORO, JOJIRO;ICHIHASHI, TOMOKO;JOKO, KEISUKE;YAMADA, TAKAHIRO;AMATANI, TSUYOSHI |
分类号 |
C23C18/16;H05K3/24;H05K3/26 |
主分类号 |
C23C18/16 |
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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