PATTERN FORMING METHOD, PHOTOMASK SUBSTRATE CREATION METHOD, PHOTOMASK CREATION METHOD, AND PHOTOMASK

PATTERN FORMING METHOD, PHOTOMASK SUBSTRATE CREATION METHOD, PHOTOMASK CREATION METHOD, AND PHOTOMASK

A pattern forming method of an embodiment includes: obtaining a height difference of a transfer surface of a substrate to which a pattern is to be transferred; measuring a focus shift tracking amount with respect to the height difference of an exposure apparatus that performs pattern transfer; calcu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MIMOTOGI, Shoji, OPPATA, Yukio
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 pattern forming method of an embodiment includes: obtaining a height difference of a transfer surface of a substrate to which a pattern is to be transferred; measuring a focus shift tracking amount with respect to the height difference of an exposure apparatus that performs pattern transfer; calculating a difference between the height difference and the tracking amount; forming a photomask provided with an optical path difference corresponding to the difference; and transferring a pattern to the substrate using the photomask.