发明名称 Illuminating apparatus
摘要 An illuminating apparatus is disclosed which comprises a light source, an optical system for condensing light emitted from the light source and illuminating an object with the condensed light, and an optical member which absorbs light having wavelengths from 260 to 340 nm among the light emitted from the light source, wherein the optical member is made of glass or crystalline material to which metal is doped.
申请公布号 US2002159142(A1) 申请公布日期 2002.10.31
申请号 US20020139362 申请日期 2002.05.07
申请人 NIKON CORPORATION 发明人 HAGIWARA SHIGERU;HIRAIWA HIROYUKI;MORI TAKASHI
分类号 G03F7/20;H01J61/30;H01J61/40;H01L21/027;(IPC1-7):G02B1/00 主分类号 G03F7/20
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