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    • 8. 发明授权
    • Photoresist cross-linker and photoresist composition comprising the same
    • 光阻抗交联剂和包含其的光致抗蚀剂组合物
    • US06482565B1
    • 2002-11-19
    • US09448964
    • 1999-11-24
    • Jae Chang JungKeun Kyu KongMyoung Soo KimHyoung Gi KimHyeong Soo KimKi Ho Baik
    • Jae Chang JungKeun Kyu KongMyoung Soo KimHyoung Gi KimHyeong Soo KimKi Ho Baik
    • G03F7004
    • C07D407/12C07D317/12C07D319/06
    • The present invention relates to a cross-linker for use in a photoresist which is suitable for a photolithography process using KrF (248 ru), ArF (193 nm), E-beam, ion beam or EUV light source. According to the present invention, preferred cross-linkers comprise a copolymer having repeating units derived from: (i) a compound represented by following Chemical Formula 1 and/or (ii) one or more compound(s) selected from the group consisting of acrylic acid, methacrylic acid and maleic anhydride. wherein, R1, R2 and R individually represent straight or branched C1-10 alkyl, straight or branched C1-10 ester, straight or branched C1-10 ketone, straight or branched C1-10 carboxylic acid, straight or branched C1-10 acetal, straight or branched C1-10 alkyl including at least one hydroxyl group, straight or branched C1-10 ester including at least one hydroxyl group, straight or branched C1-10 ketone including at least one hydroxyl group, straight or branched C1-10 carboxylic acid including at least one hydroxyl group, and straight or branched C1-10 acetal including at least one hydroxyl group; R3 represents hydrogen or methyl; m represents 0 or 1; and n represents a number of 1 to 5.
    • 本发明涉及用于光致抗蚀剂的交联剂,其适用于使用KrF(248uR),ArF(193nm),电子束,离子束或EUV光源的光刻工艺。 根据本发明,优选的交联剂包含具有衍生自以下的重复单元的共聚物:(i)由以下化学式1表示的化合物和/或(ii)一种或多种选自丙烯酸的化合物 酸,甲基丙烯酸和马来酸酐。其中R1,R2和R各自表示直链或支链C1-10烷基,直链或支链C1-10酯,直链或支链C1-10酮,直链或支链C1-10羧酸, 包括至少一个羟基的直链或支链C 1-10烷基,包括至少一个羟基的直链或支链C 1-10烷基,包括至少一个羟基的直链或支链C 1-10酮, 包含至少一个羟基的直链或支链C 1-10羧酸,和包含至少一个羟基的直链或支链C 1-10缩醛; R3表示氢或甲基; m表示0或1; n表示1〜5的数。