Immersion lithography apparatus

A sampler, sample holder and an immersion lithographic apparatus comprising a sampler is disclosed. In an embodiment, a sampler is provided to collect particles in an immersion system of a lithographic apparatus. The sampler comprises a holder base having a collector surface. The collector surface i...

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Bibliographische Detailangaben
Hauptverfasser:	KRAMER RONALD HARM GUNTHER, VAN DEN BOGAARD FREDERIK JOHANNES, JANSSEN PETER GERARDUS HUBERTUS MARIA, VAN DER HEIJDEN MARCUS THEODOOR WILHELMUS
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:	A sampler, sample holder and an immersion lithographic apparatus comprising a sampler is disclosed. In an embodiment, a sampler is provided to collect particles in an immersion system of a lithographic apparatus. The sampler comprises a holder base having a collector surface. The collector surface is configured to collect and store contaminants. The sampler may be located on a surface of the immersion system so as to collect sample particles by contact of the collector surface with a liquid or with a surface of the immersion system. The sampler may be removable from the immersion lithographic apparatus for inspection.