发明名称 PERIPHERAL EDGE INSPECTING APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide a peripheral edge inspecting apparatus capable of minutely observing an edge portion, without making the apparatus large-sized. SOLUTION: The apparatus comprises: a support member (rotary table 30) for supporting an object to be inspected (semiconductor wafer 10); an illuminating member (lamp 20, ring-light 27) for illuminating the peripheral edge (edge portion 11) of the object to be inspected; an observing member (CCD camera 21) for observing the peripheral edge of the object to be inspected; and a reflecting member (reflective mirror 22) for reflecting light which passes through an area near the peripheral edge, toward the observing member. COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008064656(A) 申请公布日期 2008.03.21
申请号 JP20060244015 申请日期 2006.09.08
申请人 NIKON CORP 发明人 ISHIBASHI KOICHI
分类号 G01N21/956;G01B11/24;G01B11/30;G01M11/00;G01N21/958 主分类号 G01N21/956
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