发明申请
- 专利标题: METHOD FOR PRODUCING SEMICONDUCTOR WAFER
- 专利标题(中): 生产半导体波形的方法
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申请号: US12475816申请日: 2009-06-01
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公开(公告)号: US20090311808A1公开(公告)日: 2009-12-17
- 发明人: Tomohiro Hashii , Yuichi Kakizono
- 申请人: Tomohiro Hashii , Yuichi Kakizono
- 申请人地址: JP Tokyo
- 专利权人: SUMCO CORPORATION
- 当前专利权人: SUMCO CORPORATION
- 当前专利权人地址: JP Tokyo
- 优先权: JP2008-157272 20080616
- 主分类号: H01L21/66
- IPC分类号: H01L21/66 ; H01L21/306
摘要:
A semiconductor wafer is produced by a method comprising a slicing step, an one-side polishing step and a chemical treating step, in which the kerf loss is reduced and the flatness is improved.
公开/授权文献
- US1254477A Circuit-breaking device. 公开/授权日:1918-01-22
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