发明名称 REFLECTIVE MASK BLANK, REFLECTIVE MASK AS WELL AS INSPECTING METHOD AND MANUFACTURING METHOD OF REFLECTIVE MASK
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a reflective mask for EUV (extreme ultra violet) lithography which permits detection of an alignment mark by transmission. <P>SOLUTION: The reflective mask is provided with a substrate, a multi-layered film formed on one side of the substrate, an intermediate layer formed on the multi-layered film, an absorbing body formed on the substrate with the multi-layered film and the intermediate layer which are formed thereon in the shape of pattern, and a conductive film formed on the other side of the substrate. The pattern of the absorbing body constitutes a circuit pattern and the alignment mark while a reflective mask, characterized by the other side of the substrate which is exposed in an alignment region arranged with the alignment mark, is provided whereby the purpose is achieved. <P>COPYRIGHT: (C)2009,JPO&INPIT</p>
申请公布号 JP2009218445(A) 申请公布日期 2009.09.24
申请号 JP20080061765 申请日期 2008.03.11
申请人 DAINIPPON PRINTING CO LTD;NEC ELECTRONICS CORP 发明人 AMANO TAKESHI;SHIGEMURA HIROYUKI
分类号 H01L21/027;G03F1/22;G03F1/24 主分类号 H01L21/027
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