Inspection apparatus, lithographic system provided with the inspection apparatus and a method for inspecting a sample

The invention relates to an inspection apparatus and a method for inspecting a sample, such as a lithographic patterning device or mask, for anomalies, such as contamination particles or defects. The inspection apparatus includes a support structure constructed and arranged to support the sample, an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VAN BRUG HEDSER, BROUWER EGBERT ANNE MARTIJN
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	The invention relates to an inspection apparatus and a method for inspecting a sample, such as a lithographic patterning device or mask, for anomalies, such as contamination particles or defects. The inspection apparatus includes a support structure constructed and arranged to support the sample, and a radiation system constructed and arranged to radiate a sample with a radiation beam. The radiation system is provided with a first polarizer. The apparatus also includes a detection system constructed and arranged to detect radiation that is reflected from the sample with a detector. The detection system is provided with a second polarizer.