SYSTEMS AND METHODS FOR REDUCING PATTERN SHIFT IN A LITHOGRAPHIC APPARATUS

Described herein is a method for improving imaging of a feature on a mask to a substrate during scanning operation of a lithographic apparatus. The method includes obtaining a dynamic pupil representing evolution of an angular distribution of radiation exposing a mask during a scanning operation of...

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Bibliographic Details
Main Authors HAGEMAN, Joost, Cyrillus, Lambert, VAN LARE, Marie-Claire, VAN DER LAAN, Hans
Format Patent
LanguageEnglish
French
German
Published 14.06.2023
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Summary:Described herein is a method for improving imaging of a feature on a mask to a substrate during scanning operation of a lithographic apparatus. The method includes obtaining a dynamic pupil representing evolution of an angular distribution of radiation exposing a mask during a scanning operation of a lithographic apparatus and determining A variation of shift of a feature at a substrate during the scanning operation due to interaction of the dynamic pupil with the mask. The method includes configuring at least one of a mask parameter or a control parameter of the lithographic apparatus to reduce the variation of shift of the feature.
Bibliography:Application Number: EP20210213192