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    • 4. 发明申请
    • RESIST PROCESSING METHOD
    • 电阻加工方法
    • US20100279226A1
    • 2010-11-04
    • US12810793
    • 2008-12-22
    • Mitsuhiro HataYoshiyuki TakataSatoshi YamaguchiIchiki TakemotoTakayuki MiyagawaYusuke Fuji
    • Mitsuhiro HataYoshiyuki TakataSatoshi YamaguchiIchiki TakemotoTakayuki MiyagawaYusuke Fuji
    • G03F7/004G03F7/20
    • H01L21/0275G03F7/0035G03F7/0045G03F7/0046G03F7/0397G03F7/40
    • The present invention has the object of providing a method of manufacturing a resist pattern in which an extremely fine and highly accurate resist pattern can be formed which is obtained using the resist composition for forming a first resist pattern in a multi-patterning method such as a double patterning method. The resist processing method comprising; forming a first resist film by applying a first resist composition onto a substrate and drying, the first resist composition comprising a resin (A), a photo acid generator (B) and a cross-linking agent (C), the resin (A) having an acid-labile group, being insoluble or poorly soluble in alkali aqueous solution but of being rendered soluble in alkali aqueous solution through the action of an acid; prebaking; exposure processing; post-exposure baking; developing; hard-baking the first resist pattern; and obtaining a second resist film; pre-baking; exposure processing; post-exposure baking; developing to obtain a second resist pattern.
    • 本发明的目的是提供一种制造抗蚀剂图案的方法,其中可以形成极细和高精度的抗蚀剂图案,该抗蚀剂图案是使用多图案化方法中形成第一抗蚀剂图案的抗蚀剂组合物获得的, 双重图案化方法 抗蚀剂处理方法包括: 通过将第一抗蚀剂组合物施加到基材上并干燥来形成第一抗蚀剂膜,所述第一抗蚀剂组合物包含树脂(A),光酸产生剂(B)和交联剂(C),树脂(A) 具有酸不稳定基团,在碱性水溶液中不溶或难溶,但通过酸的作用使其溶于碱水溶液中; 预烘烤 曝光处理; 曝光后烘烤; 发展; 硬烘烤第一抗蚀剂图案; 得到第二抗蚀膜; 预烘烤; 曝光处理; 曝光后烘烤; 显影以获得第二抗蚀剂图案。
    • 5. 发明授权
    • Chemically amplified resist composition
    • 化学放大抗蚀剂组合物
    • US07803513B2
    • 2010-09-28
    • US12076529
    • 2008-03-19
    • Satoshi YamaguchiYoshiyuki TakataKaoru Araki
    • Satoshi YamaguchiYoshiyuki TakataKaoru Araki
    • G03F7/004
    • G03F7/0045G03F7/0046G03F7/0397Y10S430/106Y10S430/111Y10S430/122
    • A chemically amplified resist composition comprising:(A) a salt represented by the formula (I): wherein R21 represents a C1-C30 hydrocarbon group etc., Q1 and Q2 each independently represent a fluorine atom etc., and A+ represents at least one organic cation selected from a cation represented by the formula (Ia): wherein P1, P2 and P3 each independently represent a C1-C30 alkyl group etc., a cation represented by the formula (Ib): wherein P4 and P5 each independently represent a hydrogen atom etc., and a cation represented by the formula (Ic): wherein P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20 and P21 each independently represent a hydrogen atom etc., B represents a sulfur or oxygen atom and m represents 0 or 1, (B) a salt represented by the formula (II): A′+−E  (II) wherein A′+ represents at least one organic cation selected from cations represented by the above-mentioned formulae (Ia), (Ib) and (Ic), and E− represents at least one organic anion selected from an anion represented by the formula (II-1): −O3SQ3  (II-1) wherein Q3 represents a C1-C10 perfluoroalkyl group, and an anion represented by the formula (II-2): wherein Q4 represents a C1-C10 perfluoroalkyl group, and (C) a resin which contains a structural unit having an acid-labile group and which itself is insoluble or poorly soluble in an aqueous alkali solution but becomes soluble in an aqueous alkali solution by the action of an acid.
    • 一种化学放大抗蚀剂组合物,其包含:(A)由式(I)表示的盐:其中R21表示C1-C30烃基等,Q1和Q2各自独立地表示氟原子等,A +表示至少一个 选自由式(Ia)表示的阳离子的有机阳离子:其中P1,P2和P3各自独立地表示C1-C30烷基等,式(Ib)表示的阳离子:其中P4和P5各自独立地表示 氢原子等,式(Ic)表示的阳离子:其中P10,P11,P12,P13,P14,P15,P16,P17,P18,P19,P20和P21各自独立地表示氢原子等,B 表示硫或氧原子,m表示0或1,(B)由式(II)表示的盐:A'+ E(II)其中A'+表示至少一种选自由 上述式(Ia),(Ib)和(Ic)中,E-表示选自以下的至少一种有机阴离子 由式(II-1)表示的阴离子:-O3SQ3(II-1)其中Q3表示C1-C10全氟烷基,和由式(II-2)表示的阴离子:其中Q4表示C1-C10全氟烷基 和(C)含有具有酸不稳定基团的结构单元的树脂,其本身在碱性水溶液中不溶或难溶,但通过酸作用而溶于碱水溶液中。
    • 6. 发明授权
    • Chemically amplified resist composition
    • 化学放大抗蚀剂组合物
    • US07575850B2
    • 2009-08-18
    • US12021149
    • 2008-01-28
    • Yoshiyuki TakataSatoshi YamamotoSatoshi Yamaguchi
    • Yoshiyuki TakataSatoshi YamamotoSatoshi Yamaguchi
    • G03F7/004
    • G03F7/0397G03F7/0045G03F7/0046Y10S430/111Y10S430/122Y10S430/123
    • The present invention provides a chemically amplified resist composition comprising: a resin which comprises a structural unit having an acid-labile group and a structural unit represented by the formula (I): wherein R1 represents a hydrogen atom or a methyl group, ring X represents a C3-C30 cyclic hydrocarbon group in which one —CH2— is substituted with —COO—, and at least one hydrogen atom in the C3-C30 cyclic hydrocarbon group may be substituted, and p represents an integer of 1 to 4, and which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid, and at least two salts selected from a salt represented by the formula (II): wherein Y1 and Y2 each independently represent a fluorine atom or a C1-C6 perfluoroalkyl group, A+ represents an organic counter ion and R21 represents a C1-C30 hydrocarbon group which may be substituted and at least one —CH2— in the C1-C30 hydrocarbon group may be substituted with —CO— or —O—, and a salt represented by the formula (III): A′+−O3S—R23  (III) wherein R23 represents a C1-C8 linear or branched chain perfluoroalkyl group and A′+ represents an organic counter ion.
    • 本发明提供一种化学放大抗蚀剂组合物,其包含:树脂,其包含具有酸不稳定基团的结构单元和由式(I)表示的结构单元:其中R1表示氢原子或甲基,环X表示 C 1 -C 30环烃基,其中一个-CH 2 - 被-COO-取代,并且C 3 -C 30环烃基中的至少一个氢原子可以被取代,p表示1〜4的整数, 本身在碱性水溶液中不溶或难溶,但是通过酸的作用而溶于碱性水溶液中,以及选自式(II)表示的盐中的至少两种盐:其中Y1和Y2各自独立地表示 氟原子或C1-C6全氟烷基,A +表示有机抗衡离子,R21表示可以被取代的C1-C30烃基,C1-C30烃基中的至少一个-CH2-可以是取代基 d与-CO-或-O-,以及由式(III)表示的盐:<?in-line-formula description =“In-line formula”end =“lead”?> A'+ - O3S-R23 (III)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中R23表示C1-C8直链或支链全氟烷基,A'+表示有机抗衡离子。