发明名称 MULTI-GRADATION PHOTOMASK, PHOTOMASK BLANK, METHOD FOR MANUFACTURING MULTI-GRADATION PHOTOMASK, AND PATTERN TRANSFER METHOD
摘要 <p><P>PROBLEM TO BE SOLVED: To uniformize an etching rate within a plane of a light-shielding film regardless of the figure of a transfer pattern, to improve the quality of a multi-gradation photomask, and to improve the production yield. <P>SOLUTION: The multi-gradation photomask has a predetermined transfer pattern including a light-shielding part, a light-transmitting part and a translucent part formed on a transparent substrate, wherein the light-shielding part comprises an etching balancer film having conductivity, a translucent film and a light-shielding film layered in this order on the transparent substrate, the translucent part comprises the etching balancer film and the translucent film layered in this order on the transparent substrate, and the light-transmitting part comprises an exposed part of the transparent substrate. <P>COPYRIGHT: (C)2011,JPO&INPIT</p>
申请公布号 JP2011048353(A) 申请公布日期 2011.03.10
申请号 JP20100168385 申请日期 2010.07.27
申请人 HOYA CORP 发明人 YOSHIKAWA YUTAKA;FUKUMOTO TOMONORI
分类号 G02F1/1368;G03F1/50;G03F1/68;G03F1/80;H01L21/3065 主分类号 G02F1/1368
代理机构 代理人
主权项
地址