Projection system and lithographic apparatus comprising said projection system

Disclosed is a projection system for a lithographic apparatus, comprising: a plurality of optical elements configured to direct a beam along a path, and a control system configured to receive an input signal indicative of a deformation of a first optical element of the plurality of optical elements....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DE JONGH, ROBERTUS JOHANNES MARINUS, MUTSAERS, MARINUS ENGELBERTUS CORNELIS, STARREVELD, JEROEN PIETER
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR BASIC ELECTRIC ELEMENTS CINEMATOGRAPHY ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	Disclosed is a projection system for a lithographic apparatus, comprising: a plurality of optical elements configured to direct a beam along a path, and a control system configured to receive an input signal indicative of a deformation of a first optical element of the plurality of optical elements. The plurality of optical elements may be configured to position the beam onto an object arranged on an object support, and a pattern may be imparted on the beam by a patterning device arranged on support structure. The control system is configured to generate an output signal for controlling a position of at least a second optical element of the plurality of optical elements, based on said input signal; and/or an output signal for controlling a position of said object support, based on said input signal; and/or an output signal for controlling a position of said support structure, based on said input signal.