发明名称 |
Self-catalytic bath and method for the deposition of a nickel-phosphorus alloy on a substrate |
摘要 |
Disclosed are a self-catalytic bath and a method for the deposition of Ni-P alloy on a substrate. The bath comprises nickel sulfate, sodium hypophosphite as a reducing agent, acetic acid as a buffer and traces of lead as a stabilizer. It also includes a citrate used as a complexing agent associated with a gluconate used both as a catalyst and a stabilizer. The disclosed bath makes it possible to tolerate large quantities of hypophosphite and is relatively long-lived. Furthermore, it can be used to prepare large quantities of Ni-P alloy per liter of solution.
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申请公布号 |
US6281157(B1) |
申请公布日期 |
2001.08.28 |
申请号 |
US20000624678 |
申请日期 |
2000.07.24 |
申请人 |
STMICROELECTRONICS S.A. |
发明人 |
TANGI ABDALLAH;ELHARK MOHAMED;BEN BACHIR ALI;SRHIRI ABDELLAH;CHERKAOUI MOHAMED;EBNTOUHAMI MOHAMED;SAAOUDI EL MUSTAPHA |
分类号 |
C23C18/36;H05K3/24;(IPC1-7):B01J27/14;B01J27/185 |
主分类号 |
C23C18/36 |
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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