发明名称 |
High speed flaw detecting system for reflective material |
摘要 |
An apparatus for the detection of surface flaws in material having a surface which is partially reflective includes at least one light source arranged to direct incident light on a surface of an at least partially reflective material, and a light detector disposed above the surface of the material. The light detector and the at least one light source are arranged relative to each other such that, in the absence of a surface flaw in the material, substantially no light from the at least one light source is detected by the light detector and, in the presence of a surface flaw in the material, light from the at least one light source is reflected off of the flaw and into the detector.
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申请公布号 |
US6097482(A) |
申请公布日期 |
2000.08.01 |
申请号 |
US19990327531 |
申请日期 |
1999.06.08 |
申请人 |
PHILIP MORRIS INCORPORATED |
发明人 |
SMITH, BARRY SCOTT;MULLINS, MICHAEL J.;VAN DERLINDEN, ROY E.;IRVIN, DONALD L. |
分类号 |
G01N21/892;G01N21/00;G01N21/89;(IPC1-7):G01N21/00 |
主分类号 |
G01N21/892 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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