Invention Grant
- Patent Title: Method of manufacturing semiconductor device
- Patent Title (中): 制造半导体器件的方法
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Application No.: US11525179Application Date: 2006-09-22
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Publication No.: US07767582B2Publication Date: 2010-08-03
- Inventor: Nobuyasu Nishiyama , Kazuhiro Tomioka , Tokuhisa Ohiwa
- Applicant: Nobuyasu Nishiyama , Kazuhiro Tomioka , Tokuhisa Ohiwa
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- Priority: JP2005-296567 20051011
- Main IPC: H01L21/311
- IPC: H01L21/311

Abstract:
A method of manufacturing a semiconductor device, includes forming a sacrifice film on an etching target film, forming an etching mask on the sacrifice film, etching the etching target film using the etching mask as a mask, removing the sacrifice film to allow the etching mask to adhere to the etching target film, and removing the etching mask.
Public/Granted literature
- US20070082493A1 Method of manufacturing semiconductor device Public/Granted day:2007-04-12
Information query
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