发明名称 Semiconductor wafer inspection apparatus
摘要 Disclosed is a semiconductor wafer inspection apparatus which effectively prevents an erroneous identification of small pits as particles on a surface of a sample. In such a semiconductor wafer inspection apparatus, a light collecting portion and a reflection adjustment portion having a light reflectance different from a light reflectance of the light collecting portion are included in light collecting means.
申请公布号 US5465145(A) 申请公布日期 1995.11.07
申请号 US19940309999 申请日期 1994.09.20
申请人 MITSUBISHI DENKI KABUSHIKI KAISHA;RYODEN SEMICONDUCTOR SYSTEM ENGINEERING CORPORATION 发明人 NAKASHIGE, YUKIKO;NISHIOKA, TADASHI
分类号 G01B11/30;G01N21/94;H01L21/66;(IPC1-7):G01N21/88 主分类号 G01B11/30
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