发明授权
- 专利标题： TIN PLATING ELECTROLYTE COMPOSITIONS
- 专利标题（中）： 锡电解质组合物
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申请号： EP96935001.6申请日： 1996-10-15
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公开(公告)号： EP0859876B1公开(公告)日： 2000-01-05
- 发明人: O'DRISCOLL, Cavan, Hugh
- 申请人： MACDERMID INCORPORATED
- 申请人地址： 245 Freight Street Waterbury, Connecticut 06702 US
- 专利权人： MACDERMID INCORPORATED
- 当前专利权人： MACDERMID INCORPORATED
- 当前专利权人地址： 245 Freight Street Waterbury, Connecticut 06702 US
- 代理机构： W.P. THOMPSON & CO.
- 优先权： GB9521191 19951017; GB9522673 19951106
- 国际公布： WO9714827 19970424
- 主分类号： C25D3/32
- IPC分类号： C25D3/32
摘要：
There is disclosed a composition suitable for use in a process for electroplating surfaces with tin, comprising: a) one or more acids selected from sulphuric acid, sulphamic acid, aryl sulphonic acids, alkyl sulphonic acids and alkanol sulphonic acids, b) one or more addition agents comprising a mono-, di- or tri-substituted phenol (each optionally alkyoxylated) or a mixture of two or more such compounds, in which at least one of the substituents includes a secondary, tertiary or quaternary nitrogen atom, c) a tin source and d) water. There is also disclosed a method of tin plating using the composition of this invention.
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