发明名称 Exposure apparatus and method, and device fabricating method
摘要 An exposure apparatus includes a projection optical system for projecting a pattern created on a mask onto an object, the projection optical system having a numerical aperture on a side of the object is 0.7 or higher; and a shielding plate for shielding around an area onto which the pattern on the mask is projected at the time of projection.
申请公布号 US2003020893(A1) 申请公布日期 2003.01.30
申请号 US20020186055 申请日期 2002.06.28
申请人 KAWASHIMA HARUNA 发明人 KAWASHIMA HARUNA
分类号 G03F7/20;G03F7/22;H01L21/027;(IPC1-7):G03B27/42 主分类号 G03F7/20
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