发明申请
- 专利标题: ETCHING POLYSILICON
- 专利标题(中): 蚀刻多晶硅
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申请号: US13624272申请日: 2012-09-21
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公开(公告)号: US20140087551A1公开(公告)日: 2014-03-27
- 发明人: Jerome A. IMONIGIE , Prashant Raghu
- 申请人: Jerome A. IMONIGIE , Prashant Raghu
- 专利权人: Micron Technology, Inc.
- 当前专利权人: Micron Technology, Inc.
- 主分类号: C09K13/08
- IPC分类号: C09K13/08 ; H01L21/336
摘要:
Methods and compositions for etching polysilicon including aqueous compositions containing nitric acid and ammonium fluoride, and apparatus formed thereby.
公开/授权文献
- US09012318B2 Etching polysilicon 公开/授权日:2015-04-21
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