Method for optical inspection, detection and visualization of defects on disk-shaped objects

A method for optical inspection, detection and visualization of defects on wafers is disclosed, wherein at least one camera acquires images of at least one portion of the wafer relative to a reference point of the wafer, and the Cartesian coordinates of the image data associated with the at least on...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Friedrich, Ralf, Skiera, Daniel
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for optical inspection, detection and visualization of defects on wafers is disclosed, wherein at least one camera acquires images of at least one portion of the wafer relative to a reference point of the wafer, and the Cartesian coordinates of the image data associated with the at least one portion of the wafer are transformed into polar coordinates.