Lithographic Method to Apply a Pattern to a Substrate and Lithographic Apparatus

A slit shaped area of a patterning device is illuminated to impart a radiation beam with a pattern in its cross-section. A projection system projects the patterned radiation beam onto a target portion of a substrate. As the radiation beam is scanned across the target portion of the substrate, a conf...

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Bibliographic Details
Main Author KOK HAICO VICTOR
Format Patent
LanguageEnglish
Published 02.10.2014
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
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Summary:A slit shaped area of a patterning device is illuminated to impart a radiation beam with a pattern in its cross-section. A projection system projects the patterned radiation beam onto a target portion of a substrate. As the radiation beam is scanned across the target portion of the substrate, a configuration of the projection system is adjusted and applies a pattern to the target portion. The adjusting may affect a magnitude of an image magnification component of the projection system, along the length of the slit shaped area, or an image distortion in a scan direction. The adjusting is arranged to compensate an effect on pattern overlay accuracy of a distortion of the patterning device.
Bibliography:Application Number: US201414301572