SUBSTRATE WITH MULTILAYER REFLECTIVE FILM, REFLECTIVE MASK BLANK, REFLECTIVE MASK, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE

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United States of America Patent

APP PUB NO 20240134265A1
SERIAL NO

18277648

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Abstract

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Provided are a substrate with a multilayer reflective film, a reflective mask blank, a reflective mask, and a method for manufacturing a semiconductor device capable of, for example, preventing reduction of a reflectance of a multilayer reflective film due to formation of a silicide in a protective film.

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Patent Owner(s)

Patent OwnerAddress
HOYA CORPORATIONTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
SUZUKI, Kota Tokyo, JP 48 580
UMEZAWA, Teiichiro Tokyo, JP 40 2277

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