发明名称 MASK FOR EXTREME ULTRAVIOLET LIGHT EXPOSURE, MASK BLANK FOR EXTREME ULTRAVIOLET LIGHT EXPOSURE, AND PATTERN TRANSFER METHOD
摘要 <p><P>PROBLEM TO BE SOLVED: To provide an EUV light exposure mask having no effect on the substantial reflection performance of a multilayer film 2 portion even if it is not stripped and in which the structure and material of a buffer film 4 are specified to have the essential function, i.e., the protective function of the multilayer film 2, and to provide a blank for producing the mask and a patterning method employing that mask. <P>SOLUTION: The mask for EUV light exposure includes: a multilayer film 2 formed on a substrate 1 and becoming an area for reflecting the exposure light; a patterned thin film 3 on the multilayer film 2 for absorption; and a thin film 4 interposed between the multilayer film 2 and the absorbent thin film for buffering, wherein the buffering thin film 4 is provided on the entire surface of the multilayer film 2. <P>COPYRIGHT: (C)2009,JPO&INPIT</p>
申请公布号 JP2009021641(A) 申请公布日期 2009.01.29
申请号 JP20080277930 申请日期 2008.10.29
申请人 TOPPAN PRINTING CO LTD 发明人 MATSUO TADASHI;HARAGUCHI TAKASHI;II TOSHIHIRO
分类号 H01L21/027;G03F1/22;G03F1/24 主分类号 H01L21/027
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