发明名称 |
EXPOSURE APPARATUS, DEVICE MANUFACTURING METHOD, AND METHOD OF MANUFACTURING APERTURE STOP |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide an exposure apparatus that reduces variation in line width of an original pattern formed on a substrate, and to provide a method of manufacturing an aperture stop. <P>SOLUTION: The exposure apparatus has a light attenuating portion 11c with intermediate transmissivity formed between an aperture 11a and a light shield portion 11b of the aperture stop 11 disposed shifting from a rear-side focal plane 10b of an optical integrator 10 of an illuminating optical system. <P>COPYRIGHT: (C)2010,JPO&INPIT |
申请公布号 |
JP2009302354(A) |
申请公布日期 |
2009.12.24 |
申请号 |
JP20080156075 |
申请日期 |
2008.06.16 |
申请人 |
CANON INC |
发明人 |
MINODA MASARU |
分类号 |
H01L21/027;G02B5/00;G03F7/20 |
主分类号 |
H01L21/027 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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