发明授权
- 专利标题: Semiconductor device manufacturing method
- 专利标题(中): 半导体器件制造方法
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申请号: US11551861申请日: 2006-10-23
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公开(公告)号: US07537987B2公开(公告)日: 2009-05-26
- 发明人: Masahiko Higashi , Satoshi Kume , Jiro Yugami , Shinichi Yamanari , Takahiro Maruyama , Itaru Kanno
- 申请人: Masahiko Higashi , Satoshi Kume , Jiro Yugami , Shinichi Yamanari , Takahiro Maruyama , Itaru Kanno
- 申请人地址: JP Tokyo
- 专利权人: Renesas Technology Corp.
- 当前专利权人: Renesas Technology Corp.
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权: JP2005-313635 20051028
- 主分类号: H01L21/84
- IPC分类号: H01L21/84
摘要:
In a semiconductor device manufacturing method of the invention, a metal film, for forming a gate electrode, is formed on a gate insulating film. Subsequently, when the metal film is processed, part of the metal film is removed by a wet etching process using a given chemical liquid.
公开/授权文献
- US20070099406A1 SEMICONDUCTOR DEVICE MANUFACTURING METHOD 公开/授权日:2007-05-03
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