发明名称 METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
摘要 A method for manufacturing a semiconductor device includes forming a recess with a device separating film and a first hard mask layer so that a pad nitride film for defining a recess gate region may remain with a conventional mask. The method additionally the recess gate region to facilitate a subsequent process for etching a gate electrode without a step difference between the device separating film.
申请公布号 US2010048008(A1) 申请公布日期 2010.02.25
申请号 US20090605971 申请日期 2009.10.26
申请人 HYNIX SEMICONDUCTOR INC. 发明人 LEE SANG DON
分类号 H01L21/28;H01L21/311 主分类号 H01L21/28
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