发明授权
US07442636B2 Method of inhibiting copper corrosion during supercritical CO2 cleaning
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在超临界二氧化碳清洗过程中抑制铜腐蚀的方法
- 专利标题: Method of inhibiting copper corrosion during supercritical CO2 cleaning
- 专利标题(中): 在超临界二氧化碳清洗过程中抑制铜腐蚀的方法
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申请号: US11095827申请日: 2005-03-30
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公开(公告)号: US07442636B2公开(公告)日: 2008-10-28
- 发明人: Joseph Hillman
- 申请人: Joseph Hillman
- 申请人地址: unknown Minato-Ku, Tokyo
- 专利权人: Tokyo Electron Limited
- 当前专利权人: Tokyo Electron Limited
- 当前专利权人地址: unknown Minato-Ku, Tokyo
- 代理机构: Haverstock & Owens LLP
- 主分类号: H01L21/4763
- IPC分类号: H01L21/4763
摘要:
A method for the pre-treatment of a wafer substrates with exposed metal surfaces is disclosed. The pre-treatment reduces oxidation of the exposed metal surfaces during subsequent supercritical cleaning processes.
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