发明申请
US20060183338A1 Etchant composition and manufacturing method for thin film transistor array panel
有权
用于薄膜晶体管阵列面板的蚀刻剂组成和制造方法
- 专利标题: Etchant composition and manufacturing method for thin film transistor array panel
- 专利标题(中): 用于薄膜晶体管阵列面板的蚀刻剂组成和制造方法
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申请号: US11271079申请日: 2005-11-10
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公开(公告)号: US20060183338A1公开(公告)日: 2006-08-17
- 发明人: Kyu-Sang Kim , Kwan-Tack Lim
- 申请人: Kyu-Sang Kim , Kwan-Tack Lim
- 专利权人: Samsung Electronics Co., LTD.
- 当前专利权人: Samsung Electronics Co., LTD.
- 优先权: KR10-2005-0012285 20050215
- 主分类号: H01L21/84
- IPC分类号: H01L21/84 ; H01L21/302 ; H01L21/00 ; H01L21/461
摘要:
The present invention provides an etchant composition containing 60 to 75 wt % of phosphoric acid (H3PO4), 0.5 to 15 wt % of nitric acid (HNO3), 2 to 15 wt % of acetic acid (CH3COOH), and 0.1 to 15 wt % of aluminum nitrate (Al(NO3)3).
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