PROJECTION EXPOSURE APPARATUS AND METHOD FOR MEASURING A PROJECTION LENS

PROJECTION EXPOSURE APPARATUS AND METHOD FOR MEASURING A PROJECTION LENS

Microlithographic projection exposure apparatus (100) has a projection lens (150) configured to image an object plane (155) onto an image plane (156), wherein an immersion liquid is at least temporarily provided during operation of the projection exposure apparatus between the projection lens and th...

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Hauptverfasser: SCHADT, Frank, FOCA, Eugen, SCHLEICHER, Frank, HEMPELMANN, Uwe
Format: Patent
Sprache:eng ; fre ; ger
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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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creator SCHADT, Frank
FOCA, Eugen
SCHLEICHER, Frank
HEMPELMANN, Uwe
description Microlithographic projection exposure apparatus (100) has a projection lens (150) configured to image an object plane (155) onto an image plane (156), wherein an immersion liquid is at least temporarily provided during operation of the projection exposure apparatus between the projection lens and the image plane, wherein a measurement structure (121) is arranged in the immersion liquid, and wherein the measurement structure is configured to generate a measurement pattern. The projection exposure apparatus also has a measurement device (130, 160) configured to measure the measurement pattern. The measurement structure has an absorption layer (125) including silicon oxide and/or silicon oxynitride and/or nitride.
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subjects 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
title PROJECTION EXPOSURE APPARATUS AND METHOD FOR MEASURING A PROJECTION LENS
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