Optical element for the beam guidance of imaging light in projection lithography

Optical element for the beam guidance of imaging light in projection lithography

An optical element is configured to guide imaging light in projection lithography. The optical element has a main body and at least one optical surface carried by the main body. At least one compensation weight element, which is attached to the main body, serves for a weight compensation of a figure...

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Hauptverfasser: Prochnau, Jens, Orlik, Roman, Schaffer, Dirk
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Sprache:eng
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APPARATUS SPECIALLY ADAPTED THEREFOR
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
MATERIALS THEREFOR
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
ORIGINALS THEREFOR
PHOTOGRAPHY
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES
PHYSICS
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creator Prochnau, Jens
Orlik, Roman
Schaffer, Dirk
description An optical element is configured to guide imaging light in projection lithography. The optical element has a main body and at least one optical surface carried by the main body. At least one compensation weight element, which is attached to the main body, serves for a weight compensation of a figure deformation of the optical surface caused by gravity. This results in an optical element with a small figure deformation at the use location.
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subjects APPARATUS SPECIALLY ADAPTED THEREFOR
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
MATERIALS THEREFOR
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
ORIGINALS THEREFOR
PHOTOGRAPHY
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES
PHYSICS
title Optical element for the beam guidance of imaging light in projection lithography
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