发明授权
- 专利标题: Metal surface cleaning processes
- 专利标题(中): 金属表面清洗工艺
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申请号: US442797申请日: 1989-11-29
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公开(公告)号: US5000819A公开(公告)日: 1991-03-19
- 发明人: David J. Pedder , Christopher J. Wort , Kim L. Pickering
- 申请人: David J. Pedder , Christopher J. Wort , Kim L. Pickering
- 申请人地址: GB2 Ilford
- 专利权人: Plessey Overseas Limited
- 当前专利权人: Plessey Overseas Limited
- 当前专利权人地址: GB2 Ilford
- 优先权: GBX8827933 19881130
- 主分类号: B23K1/20
- IPC分类号: B23K1/20 ; C23G5/00 ; H05K3/34
摘要:
A dry solder reflow process, in which metal surface oxides are removed from the solder surface by abstraction of the oxygen from the metal oxide by atomic hydrogen, the atomic hydrogen being created within an intense microwave frequency plasma of a gas containing hydrogen.
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