发明名称 MASK BLANK FOR EUV EXPOSURE, MASK FOR EUV EXPOSURE, ELECTRON BEAM LITHOGRAPHY APPARATUS, AND SEMICONDUCTOR EXPOSURE APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide a mask for reflection type EUV exposure capable of enlarging an exposure area while suppressing alteration of an existing mask manufacturing infrastructure to a minimum and maintaining a bottom area of a 6-inch mask.SOLUTION: The mask for EUV exposure has a configuration in which one principle plane of a substrate 21 is a semicylindrical curved side surface having specific radius and length, a multilayer reflection layer 22, a protective layer 23, and an absorption layer 24 are provided in this order on the side surface, a conductive layer 25 is included on the other principle plane, and the absorption layer 24 has an unevenness A corresponding to an exposure pattern.
申请公布号 JP2015142092(A) 申请公布日期 2015.08.03
申请号 JP20140015530 申请日期 2014.01.30
申请人 TOPPAN PRINTING CO LTD 发明人 KODERA YUTAKA
分类号 H01L21/027;G03F1/24;G03F1/78;H01J37/305 主分类号 H01L21/027
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