发明名称 Method and apparatus for visually inspecting transparent body and translucent body
摘要 A system and method of visually inspecting a transparent body and a translucent body comprises applying light to a reverse surface of an object to be inspected by a transmission light source, and applying light, at a low angle, to at least one of an obverse surface and the reverse surface of the object to be inspected by a reflection light source. Concave defects and adherents of the object to be inspected are detected by use of transmitted light emitted from the transmission light source, and adherents of the object to be inspected are detected by use of reflected scattered light emitted from the reflection light source.
申请公布号 US6618136(B1) 申请公布日期 2003.09.09
申请号 US19990390690 申请日期 1999.09.07
申请人 MINOLTA CO., LTD. 发明人 ISHIDA FUTOSHI
分类号 G01N21/94;G01N21/958;(IPC1-7):G01N21/88 主分类号 G01N21/94
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