Method for Patterning a Substrate Using Photolithography

A method for patterning a substrate includes: forming a first photoresist etch mask with an extreme ultraviolet (EUV) lithography process, the first photoresist etch mask including first through openings, the first photoresist etch mask including a metal-based photoresist material; forming a second...

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Bibliographische Detailangaben
Hauptverfasser:	Raley, Angelique, Joy, Nicholas, Lutker-Lee, Katie
Format:	Patent
Sprache:	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:	A method for patterning a substrate includes: forming a first photoresist etch mask with an extreme ultraviolet (EUV) lithography process, the first photoresist etch mask including first through openings, the first photoresist etch mask including a metal-based photoresist material; forming a second photoresist etch mask over the first photoresist etch mask, the second photoresist etch mask including second through openings; and forming first openings, through the first and the second photoresist etch masks, in a region of the substrate that vertically overlaps both the first through openings and the second through openings.