发明名称 Apparatus for Inspecting a Wafer
摘要 The present invention relates to an apparatus and method for automatically inspecting a wafer, having a light source and an illumination optics for illuminating the wafer for inspection, wherein the illumination optics comprises a variable gray filter for adjusting the illumination power.
申请公布号 US2007013902(A1) 申请公布日期 2007.01.18
申请号 US20060422182 申请日期 2006.06.05
申请人 VISTEC SEMICONDUCTOR SYSTEMS GMBH 发明人 BACKHAUSS HENNING;KREH ALBERT;KRAMPE-ZADLER CHRISTOF
分类号 G01N21/88 主分类号 G01N21/88
代理机构 代理人
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