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    • 81. 发明专利
    • Nonionic photosensitive compound, acid generator, resist composition, and method for forming resist pattern
    • 非光敏化合物,酸发生器,耐蚀组合物和形成耐蚀图案的方法
    • JP2009137918A
    • 2009-06-25
    • JP2007318941
    • 2007-12-10
    • Tokyo Ohka Kogyo Co Ltd東京応化工業株式会社
    • UTSUMI YOSHIYUKIHANEDA HIDEO
    • C07D307/33C09K3/00G03F7/004G03F7/039H01L21/027
    • PROBLEM TO BE SOLVED: To provide a new nonionic photosensitive compound useful as an acid generator for a resist composition, an acid generator, a resist composition, and a method for forming resist pattern. SOLUTION: The nonionic photosensitive compound has a cyclic group containing an ester linkage in the cyclic skeleton in the structure. The acid generator comprises the above nonionic photosensitive compound. The resist composition comprises (A) a base component exhibiting the solubility into an alkaline developing solution which changes by the action of an acid and (B) an acid generator component which generates an acid by the irradiation with a radial ray, wherein the component B includes, in its structure, an acid generator (B1) comprising a nonionic photosensitive compound having a cyclic group containing an ester bond in the ring skeleton. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供用作抗蚀剂组合物的酸发生剂,酸产生剂,抗蚀剂组合物和形成抗蚀剂图案的方法的新型非离子光敏化合物。 解决方案:非离子光敏化合物在结构中具有在环状骨架中含有酯键的环状基团。 酸产生剂包含上述非离子型光敏化合物。 抗蚀剂组合物包含(A)显示出对通过酸的作用而变化的碱性显影液的溶解度的碱成分和(B)通过放射线照射产生酸的酸产生剂成分,其中,组分B 在其结构中包括在环骨架中包含具有含有酯键的环状基团的非离子光敏化合物的酸发生剂(B1)。 版权所有(C)2009,JPO&INPIT
    • 85. 发明专利
    • Resist composition, method for forming resist pattern, compound, radical polymerization initiator, production method of compound, and polymer
    • 耐蚀组合物,形成耐蚀图案的方法,化合物,自由基聚合引发剂,化合物的生产方法和聚合物
    • JP2014153686A
    • 2014-08-25
    • JP2013026074
    • 2013-02-13
    • Tokyo Ohka Kogyo Co Ltd東京応化工業株式会社
    • DAZAI NAOHIROUTSUMI YOSHIYUKITAKAGI DAICHIKAIHO TAKAAKI
    • G03F7/039C07C253/30C07C255/65C08F220/26G03F7/038H01L21/027
    • PROBLEM TO BE SOLVED: To provide a resist composition excellent in lithography characteristics and a pattern profile, a polymer useful for the resist composition, and an easy production method for obtaining the polymer.SOLUTION: The resist composition comprises a base component (A) which shows changes in the solubility with a developer by an action of an acid; and the base component (A) comprises a polymer having a group expressed by general formula (I-1) in at least one terminal of the main chain. In formula (I-1), Rrepresents a hydrocarbon group having 1 to 10 carbon atoms; Z represents a hydrocarbon group having 1 to 10 carbon atoms or a cyano group, and Rand Z may be bonded to each other to form a ring; X represents a single bond or a divalent connecting group which may include -O-C(=O)-, -NH-C(=O)- or -NH-C(=NH)-; and Rrepresents a tertiary ester type acid dissociable group having 4 to 20 carbon atoms (excluding a tert-butyl group).
    • 要解决的问题:提供光刻特性和图案轮廓优异的抗蚀剂组合物,可用于抗蚀剂组合物的聚合物和获得聚合物的容易制备方法。溶胶:抗蚀剂组合物包含基础组分(A) 通过酸的作用显示与显影剂的溶解度的变化; 碱性成分(A)在主链的至少一个末端含有具有通式(I-1)表示的基团的聚合物。 式(I-1)中,R表示碳原子数1〜10的烃基, Z表示碳原子数1〜10的烃基或氰基,兰可以相互结合形成环, X表示可以包括-O-C(= O) - , - NH-C(= O) - 或-NH-C(= NH) - )的单键或二价连接基团。 R表示具有4〜20个碳原子的叔酯型酸解离基(不包括叔丁基)。
    • 86. 发明专利
    • Resist composition and method for forming resist pattern
    • 用于形成电阻图案的耐蚀组合物和方法
    • JP2014130308A
    • 2014-07-10
    • JP2013041066
    • 2013-03-01
    • Tokyo Ohka Kogyo Co Ltd東京応化工業株式会社
    • DAZAI NAOHIROARAI MASATOSHIUTSUMI YOSHIYUKI
    • G03F7/039C08F220/28G03F7/038H01L21/027
    • G03F7/2041G03F7/0397
    • PROBLEM TO BE SOLVED: To provide a resist composition which is improved in lithography characteristics by improving solubility in a developer, and to provide a method for forming a resist pattern.SOLUTION: The resist composition, which generates an acid upon exposure and whose solubility in a developer changes by the action of an acid, contains a base component (A) whose solubility in a developer changes by the action of an acid. The base component (A) contains a polymer compound (A1) which has a constituent unit (a0) represented by formula (a0-1), a constituent unit (a2) containing a lactone-containing cyclic group, an -SO--containing cyclic group, or a carbonate-containing cyclic group, and a constituent unit (a1) containing an acid-decomposable group whose polarity increases by the action of an acid. The weight-average molecular weight of the polymer compound (A1) is 6,000 or less.
    • 要解决的问题:提供通过改善在显影剂中的溶解性而提高光刻特性的抗蚀剂组合物,以及提供形成抗蚀剂图案的方法。溶液:曝光后产生酸的抗蚀剂组合物,其在 显影剂通过酸的作用而改变,含有其在显色剂中的溶解度随酸的作用而变化的碱成分(A)。 碱成分(A)含有具有由式(a0-1)表示的构成单元(a0)的高分子化合物(A1),含有含内酯的环状基团的构成单元(a2),含有-SO 环状基团或含碳酸酯的环状基团,以及含有通过酸的作用使极性增加的酸分解基团的构成单元(a1)。 高分子化合物(A1)的重均分子量为6000以下。