发明公开
EP2085502A1 Electrolyte composition and method for the deposition of a tin-zinc alloy
审中-公开
Elektrolytzusammensetzung und Verfahren zur Abscheidung einer Zinn-Zink-Legierung
- 专利标题： Electrolyte composition and method for the deposition of a tin-zinc alloy
- 专利标题（中）： Elektrolytzusammensetzung und Verfahren zur Abscheidung einer Zinn-Zink-Legierung
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申请号： EP08001614.0申请日： 2008-01-29
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公开(公告)号： EP2085502A1公开(公告)日： 2009-08-05
- 发明人: Mertens, Marc L.A.D. Dr. , Van Schaik, René Ing. , Zone, Keith , Verberne, Wilhelmus Maria Johannes Cornelis
- 申请人： ENTHONE, INCORPORATED
- 申请人地址： 350 Frontage Road West Haven, CT 06516 US
- 专利权人： ENTHONE, INCORPORATED
- 当前专利权人： ENTHONE, INCORPORATED
- 当前专利权人地址： 350 Frontage Road West Haven, CT 06516 US
- 代理机构： Stenger, Watzke & Ring
- 主分类号： C25D3/60
- IPC分类号： C25D3/60 ; C25D15/00
摘要：
The present invention relates to an electrolyte composition for the deposition of a tin-zinc alloy on a substrate surface. Furthermore, the invention relates to a method for the deposition of a tin-zinc alloy layer on the substrate surface. The inventive electrolyte composition for the deposition of a tin-zinc alloy on a substrate surface comprises tin in oxidation state +4(Sn 4+ ) and has a pH-value in the range from about pH 9 to about pH 11. Furthermore, the inventive electrolyte composition can comprise a complexing agent of the group consisting of carboxylates, amino derivates, phosphates and hydroxides as well as brightening agents or surface wetting agents.
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