发明名称 Projection exposure apparatus and semiconductor device manufacturing method
摘要 A projection exposure apparatus includes an illumination optical system for constituting illumination source for illuminating an original having an exposure pattern, the illumination optical system including changing mechanism for changing a shape of the illumination source; a projection optical system for projecting an image of the exposure pattern onto a surface to be exposed; an adjuster responsive to the changing mechanism to adjust the projection optical system.
申请公布号 US5436692(A) 申请公布日期 1995.07.25
申请号 US19940321455 申请日期 1994.10.11
申请人 CANON KABUSHIKI KAISHA 发明人 NOGUCHI, MIYOKO
分类号 G03F7/20;(IPC1-7):G03B27/72 主分类号 G03F7/20
代理机构 代理人
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