发明名称 RESIST REMOVING LIQUID, RESIST REMOVAL METHOD USING SAME AND METHOD FOR PRODUCING PHOTOMASK
摘要 A resist removal method includes removing a resist provided on a photomask substrate by bringing a resist removing liquid into contact with the resist in patterning of a photomask for EUV lithography in which the resist removing liquid contains an alkali compound, a specific nitrogen-containing compound, and water, and a content of the water is more than 50% by mass.
申请公布号 US2016033856(A1) 申请公布日期 2016.02.04
申请号 US201514883730 申请日期 2015.10.15
申请人 FUJIFILM Corporation 发明人 MIZUTANI Atsushi
分类号 G03F1/22;B08B3/08;G03F7/42 主分类号 G03F1/22
代理机构 代理人
主权项 1. A resist removal method comprising: removing a resist provided on a photomask substrate by bringing a resist removing liquid into contact with the resist when a photomask for EUV lithography is produced, wherein the resist removing liquid contains an alkali compound, a specific nitrogen-containing compound, and water, and a content of the water is more than 50% by mass.
地址 Tokyo JP