发明名称 PHOTOMASK
摘要 PURPOSE:To prevent a pattern corner part from being collapsed by adding protruding patterns to the vertex of a light shielding film part, thereby generating sparks. CONSTITUTION:The shielding film part 1 of metal (oxide) is formed on a substrate in this photomask, on its vertex the protruding patterns 3 which are smaller than the resolution of a mask aligner are formed from each vertex protruding in the direction of the opposite vertex. Further, protruding patterns 5 of shapes protruding to the outer side from each corner of a frame pattern 4 may also be formed.
申请公布号 JPH0320736(A) 申请公布日期 1991.01.29
申请号 JP19890155456 申请日期 1989.06.16
申请人 MATSUSHITA ELECTRON CORP 发明人 NIIKE TAKUMI
分类号 G03F1/36;G03F1/50;G03F1/68;H01L21/027 主分类号 G03F1/36
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