发明名称 METHOD OF FORMING FINE PATTERN OF SEMICONDUCTOR DEVICE
摘要 <p>PURPOSE: A method for forming the fine pattern of a semiconductor device is provided to form a fine pattern without using double exposure technology by forming a contact hole using an obtained fine pattern. CONSTITUTION: A photosensitive pattern(12,12a,12b) with a fixed level on a semiconductor board(10) is formed. A hard mask layer is formed on the semiconductor board which includes the photosensitive pattern. A hard mask layer(14) is etched back until the photosensitive pattern is exposed. A mask pattern with smaller size than a fixed size is formed by eliminating one part of an exposed photosensitive pattern. A thermal process is performed for 60 minutes at 120 to 170 degrees. Etching difference is generated in the edge and center part of the photosensitive pattern.</p>
申请公布号 KR20110091213(A) 申请公布日期 2011.08.11
申请号 KR20100010931 申请日期 2010.02.05
申请人 HYNIX SEMICONDUCTOR INC. 发明人 LEE, SUNG KOO
分类号 H01L21/027 主分类号 H01L21/027
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