Lithography system and method

A lithography system has a projection lens that includes a first optical element and a first sensor subframe. The projection lens also includes first sensor which is configured to detect a position of the first optical element with respect to the first sensor subframe. The projection lens further in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Geuppert, Bernhard
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 lithography system has a projection lens that includes a first optical element and a first sensor subframe. The projection lens also includes first sensor which is configured to detect a position of the first optical element with respect to the first sensor subframe. The projection lens further includes a second sensor which is configured to detect a position of a wafer with respect to the first sensor subframe.