发明名称 Inspection Apparatus
摘要 An inspection method and apparatus for detecting defects or haze of a sample, includes illuminating light to the sample from an oblique direction relative to a surface of the sample with an illuminator, detecting first scattered light at a forward position relative to an illuminating direction from the sample with a first detector, detecting sec and scattered light at a sideward or backward position relative to the illuminating direction from the sample with a second detection, and processing a first signal of the first scattered light and a second signal of the second scattered light with different weighting for the first signal and for the second signal with a processor.
申请公布号 US2012320373(A1) 申请公布日期 2012.12.20
申请号 US201213597553 申请日期 2012.08.29
申请人 OSHIMA YOSHIMASA;URANO YUTA;NAKAO TOSHIYUKI 发明人 OSHIMA YOSHIMASA;URANO YUTA;NAKAO TOSHIYUKI
分类号 G01N21/88 主分类号 G01N21/88
代理机构 代理人
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