LITHOGRAPHIC METHOD AND APPARATUS

A lithographic method includes controlling a phase adjuster of a lithographic apparatus, the phase adjuster being constructed and arranged to adjust a phase of an electric field of a radiation beam traversing an optical element of the phase adjuster, and controlling a signal provided to the phase ad...

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Bibliographische Detailangaben
1. Verfasser:	AKHSSAY MHAMED
Format:	Patent
Sprache:	eng
Schlagworte:	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 lithographic method includes controlling a phase adjuster of a lithographic apparatus, the phase adjuster being constructed and arranged to adjust a phase of an electric field of a radiation beam traversing an optical element of the phase adjuster, and controlling a signal provided to the phase adjuster that results in an actual time-temperature characteristic of a portion of the optical element, the control being undertaken with reference to a desired time-temperature characteristic of a portion of the optical element, the control of the signal being such that a change in the actual time-temperature characteristic precedes a related change in the desired time-temperature characteristic.