Lithographic apparatus, a radiation system, a device manufacturing method and a radiation generating method

A lithographic apparatus includes a radiation system for providing a beam of radiation from radiation emitted by a radiation source. The radiation system includes a contaminant trap for trapping material emanating from the radiation source. The rotation contaminant trap includes a multiple number of...

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Bibliographische Detailangaben
Hauptverfasser:	GIELISSEN KURT, FRANKEN JOHANNES CHRISTIAAN LEONARDUS, FRIJNS OLAV WALDEMAR VLADIMIR
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 includes a radiation system for providing a beam of radiation from radiation emitted by a radiation source. The radiation system includes a contaminant trap for trapping material emanating from the radiation source. The rotation contaminant trap includes a multiple number of elements extending in a radial direction from a common rotation trap axis and being arranged for allowing contaminant material emanating from the radiation source to deposit during propagation of the radiation beam in the radiation system. The radiation system further includes a contaminant catch for receiving contaminant material particles from the rotation trap elements, the contaminant catch having a constitution, during operation of the radiation, for retaining said contaminant material particles.