Lithographic apparatus and device manufacturing method

A lithographic apparatus arranged to transfer a pattern from a patterning device onto a substrate is disclosed. The apparatus includes an optics compartment that contains a patterned surface of the patterning device and an optical element, and a substrate compartment connected to the optics compartm...

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Bibliographische Detailangaben
Hauptverfasser:	LIEBREGTS PAULUS MARTINUS MARIA, LOOPSTRA ERIK ROELOF, HAM ERIK LEONARDUS, MOORS JOHANNES HUBERTUS JOSEPHINA, HEERENS GERT-JAN, WERIJ HENRI GERARD CATO
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 APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS
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Beschreibung
Zusammenfassung:	A lithographic apparatus arranged to transfer a pattern from a patterning device onto a substrate is disclosed. The apparatus includes an optics compartment that contains a patterned surface of the patterning device and an optical element, and a substrate compartment connected to the optics compartment by a connection that is arranged to pass a patterned beam of radiation from the optical element to the substrate. The apparatus also includes a first flush gas inlet arranged to supply a first flush gas into the connection, a second flush gas inlet adjacent to the patterned surface and arranged to supply a second flush gas into the optics compartment and to create a region adjacent the patterned surface in which the second flush gas flows in a direction with a component normal to and away from the patterned surface, and a gas pump arranged to pump the flush gases from the optics compartment.