发明名称 Exposure apparatus
摘要 An exposure apparatus includes a projection optical system for projecting a pattern of a mask onto a plate to be exposed, and a pupil filter that includes a first area and a second area formed outside of the first area, the first area being formed as a circular area upon which a low order diffracted light that has passed the pattern of the mask is incident, the second area being formed as an annular area upon which a high order diffracted light that does not contain the low order diffracted light is incident and which inverts a phase of half of the high order diffracted light incident and cancels out the high order diffracted light.
申请公布号 US2006197933(A1) 申请公布日期 2006.09.07
申请号 US20060366558 申请日期 2006.03.03
申请人 CANON KABUSHIKI KAISHA 发明人 KAWASHIMA MIYOKO
分类号 G03B27/54 主分类号 G03B27/54
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