发明名称 反射型マスクブランク及び反射型マスクブランクの製造方法
摘要 The present invention relates to a reflective mask blank containing in this order, a substrate, a multilayer reflective film that reflects exposure light, and an absorber layer that absorbs the exposure light, in which the reflective mask blank further contains a fiducial mark indicating a reference position of the multilayer reflective film, which is formed in a concave shape or in a convex shape on a surface of the multilayer reflective film or on a surface of one layer formed between the multilayer reflective film and the absorber layer, and the fiducial mark is formed so as to have a reflectivity different from an area surrounding the fiducial mark with respect to a light with a prescribed wavelength and is transferred to a layer formed on the fiducial mark.
申请公布号 JP5935804(B2) 申请公布日期 2016.06.15
申请号 JP20130531378 申请日期 2012.08.29
申请人 旭硝子株式会社 发明人 岡村 有造;生田 順亮
分类号 G03F1/24;G03F1/84 主分类号 G03F1/24
代理机构 代理人
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