Reflective mask and method for manufacturing same

A reflective mask having a light-shielding frame with high light-shielding performance, and a method for manufacturing thereof. In a reflective mask having a light-shielding frame dug into a multilayered reflective layer, when side etching is performed or processing to obtain a reverse tapered shape...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SAKATA YO, WATANABE GENTA, FUKUGAMI NORIHITO, MATSUI KAZUAKI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MATERIALS THEREFOR MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES NANOTECHNOLOGY ORIGINALS THEREFOR PERFORMING OPERATIONS PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TRANSPORTING
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Beschreibung
Zusammenfassung:	A reflective mask having a light-shielding frame with high light-shielding performance, and a method for manufacturing thereof. In a reflective mask having a light-shielding frame dug into a multilayered reflective layer, when side etching is performed or processing to obtain a reverse tapered shape is performed only on the multilayered reflective layer, it becomes possible to suppress reflection of EUV light (extreme ultraviolet light) in the vicinity of the edge of the light-shielding frame, provide a reflective mask having high light-shielding ability, and form a transcription pattern with high accuracy.