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 代理人
主权项
地址