System With Multiple Scattered Light Collectors

A method for inspecting a surface of a workpiece for asymmetric defects, by scanning an incident beam on the surface of the workpiece to impinge thereon to create reflected light extending along a light channel axis in a front quartersphere and scattered light, the incident beam and the light channe...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BILLS RICHARD E, MCNIVEN JAMES P, TIEMEYER TIMOTHY R, JUDELL NEIL
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS IMAGE DATA PROCESSING OR GENERATION, IN GENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TESTING
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