发明名称 PREVENTION OF LINE BENDING AND TILTING FOR ETCH WITH TRI-LAYER MASK
摘要 A method for etching features in an etch layer is provided. An organic mask layer is etched, using a hard mask as an etch mask. The hard mask is removed, by selectively etching the hard mask with respect to the organic mask and etch layer. Features are etched in the etch layer, using the organic mask as an etch mask.
申请公布号 US2012276747(A1) 申请公布日期 2012.11.01
申请号 US201113096697 申请日期 2011.04.28
申请人 OH YOUN-JIN;TAKESHITA KENJI;TAKAHASHI HITOSHI;LAM RESEARCH CORPORATION 发明人 OH YOUN-JIN;TAKESHITA KENJI;TAKAHASHI HITOSHI
分类号 H01L21/3065;H01L21/308 主分类号 H01L21/3065
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