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The composition and manufacture of resist pattern 发明授权

2022-06-06 1060 1773K 0

专利信息

申请日期 2025-02-25 申请号 JP2013217570
公开(公告)号 JP6310673B2 公开(公告)日 2018-04-11
公开国别 JP 申请人省市代码 全国
申请人 住友化学株式会社
简介 PROBLEM TO BE SOLVED : To provide a resist composition that enables production of a resist pattern with an excellent exposure margin (EL).SOLUTION : A resist composition contains a resin that has a structural unit represented by formula (I) and a structural unit represented by formula (a4) and does not have an acid-labile group, a resin having an acid-labile group, and an acid generator represented by formula (II), wherein Rand Rare a hydrogen atom or a methyl group; Ris an alicyclic hydrocarbon group; Lis a divalent saturated hydrocarbon group or a single bond; Ris a saturated hydrocarbon group having a fluorine atom; Rand Rare independently a fluorine atom or a perfluoroalkyl group; Lis a divalent saturated hydrocarbon group; a ring Wis a heterocycle; Ris a hydrogen atom or a hydrocarbon group; Ris a hydrocarbon group; m is an integer of 0-6; and Z1is an organic cation.


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