发明申请
- 专利标题: LIQUID COMPOSITION, METHOD OF PRODUCING SILICON SUBSTRATE, AND METHOD OF PRODUCING LIQUID DISCHARGE HEAD SUBSTRATE
- 专利标题(中): 液体组合物,生产硅基材的方法以及生产液体放电头基材的方法
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申请号: US13556991申请日: 2012-07-24
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公开(公告)号: US20120289055A1公开(公告)日: 2012-11-15
- 发明人: Hiroyuki Abo , Taichi Yonemoto , Shuji Koyama , Kenta Furusawa , Keisuke Kishimoto
- 申请人: Hiroyuki Abo , Taichi Yonemoto , Shuji Koyama , Kenta Furusawa , Keisuke Kishimoto
- 申请人地址: JP Tokyo
- 专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人地址: JP Tokyo
- 优先权: JP2010-017006 20100128
- 主分类号: H01L21/306
- IPC分类号: H01L21/306
摘要:
A liquid composition used to carry out crystal anisotropic etching of a silicon substrate provided with an etching mask formed of a silicon oxide film with the silicon oxide film used as a mask includes cesium hydroxide, an alkaline organic compound, and water.
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