发明名称 DEVICE AND SYSTEM OF IMPROVING PHASE SHIFT MASK IMAGING PERFORMANCE AND METHOD THEREOF
摘要 <P>PROBLEM TO BE SOLVED: To provide a device and a method of preventing zeroth leak from causing variation in strength of light exposing photoresist. <P>SOLUTION: A photographic system 1500 is provided with an irradiation source 102 that can make light penetrate a phase shift mask 112, a first adjusting lens 104 that can make the light from the phase shift mask focus on a pupil side, a shielding aperture 1502 that is substantially located inside the pupil side and can shield a part of the light, and a second adjusting lens 106 that can re-direct the light from the pupil side to the photoresist. <P>COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2006261696(A) 申请公布日期 2006.09.28
申请号 JP20060145953 申请日期 2006.05.25
申请人 ASML HOLDING NV 发明人 SEWELL HARRY O
分类号 H01L21/027;G03F1/26;G03F7/20 主分类号 H01L21/027
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