发明申请
- 专利标题: ASHING APPARATUS
- 专利标题(中): 打磨装置
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申请号: US12442834申请日: 2007-12-26
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公开(公告)号: US20100089533A1公开(公告)日: 2010-04-15
- 发明人: Masahisa Ueda , Takashi Kurimoto , Michio Ishikawa , Koukou Suu , Toshiya Yogo
- 申请人: Masahisa Ueda , Takashi Kurimoto , Michio Ishikawa , Koukou Suu , Toshiya Yogo
- 申请人地址: JP Kanagawa-ken
- 专利权人: ULVAC, INC.
- 当前专利权人: ULVAC, INC.
- 当前专利权人地址: JP Kanagawa-ken
- 优先权: JP2007-212409 20070816; JP2007-287340 20071105
- 国际申请: PCT/JP2007/074980 WO 20071226
- 主分类号: H01L21/3065
- IPC分类号: H01L21/3065
摘要:
Disclosed is an ashing apparatus wherein decrease in processing efficiency is suppressed. Specifically, a shower plate is arranged to face a substrate stage on which a substrate is placed, and diffuses oxygen radicals supplied into a chamber. A metal blocking plate is arranged between the shower plate and the substrate stage and has a through hole through which oxygen radicals pass. In addition, the metal blocking plate has a first layer, which is made of a metal same as the one exposed in the substrate, on the surface facing the substrate.
公开/授权文献
- US09059105B2 Ashing apparatus 公开/授权日:2015-06-16