MIRROR, IN PARTICULAR FOR A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS

A mirror, e.g. for a microlithographic projection exposure apparatus, includes an optical effective surface, a mirror substrate, a reflection layer stack for reflecting electromagnetic radiation incident on the optical effective surface, at least one first electrode arrangement, at least one second...

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Bibliographische Detailangaben
Hauptverfasser:	GRUNER, Toralf, HILD, Kerstin, GOLDE, Daniel, SHKLOVER, Vitaliy, STIEPAN, Hans Michael
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTRICITY 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 mirror, e.g. for a microlithographic projection exposure apparatus, includes an optical effective surface, a mirror substrate, a reflection layer stack for reflecting electromagnetic radiation incident on the optical effective surface, at least one first electrode arrangement, at least one second electrode arrangement, and an actuator layer system situated between the first and the second electrode arrangements. The actuator layer system is arranged between the mirror substrate and the reflection layer stack, has a piezoelectric layer, and reacts to an electrical voltage applied between the first and the second electrode arrangements with a deformation response in a direction perpendicular to the optical effective surface. The deformation response varies locally by at least 20% in PV value for a predefined electrical voltage that is spatially constant across the piezoelectric layer.