发明授权
US08492281B2 Liquid composition, method of producing silicon substrate, and method of producing liquid discharge head substrate
有权
液体组合物,硅基板的制造方法以及液体排出头基板的制造方法
- 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,硅基板的制造方法以及液体排出头基板的制造方法
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申请号: US13556991申请日: 2012-07-24
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公开(公告)号: US08492281B2公开(公告)日: 2013-07-23
- 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
- 代理机构: Canon U.S.A., Inc., IP Division
- 优先权: JP2010-017006 20100128
- 主分类号: H01L21/311
- IPC分类号: H01L21/311
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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