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    • 72. 发明授权
    • Positive resist composition, method for resist pattern formation and compound
    • 抗蚀剂组合物,抗蚀剂图案形成方法和化合物
    • US07504196B2
    • 2009-03-17
    • US11884748
    • 2006-02-09
    • Daju ShionoTaku HirayamaHideo Hada
    • Daju ShionoTaku HirayamaHideo Hada
    • G03F7/004G03F7/30
    • G03F7/0045Y10S430/106
    • A positive resist composition that includes a base material component (A) that contains an acid-dissociable, dissolution-inhibiting group and exhibits increased alkali solubility under the action of acid, and an acid generator component (B) that generates acid upon exposure, wherein the base material component (A) contains a compound (A1), in which either a portion of, or all of, hydrogen atoms of phenolic hydroxyl groups within a polyhydric phenol compound, which has two or more phenolic hydroxyl groups, a molecular weight of 300 to 2,500, and is represented by a general formula (I) shown below, have been substituted with an acid-dissociable, dissolution-inhibiting group (II) represented by a general formula (II) shown below.
    • 一种正性抗蚀剂组合物,其包含含有酸解离的溶解抑制基团并且在酸的作用下表现出增加的碱溶解性的基材成分(A)和暴露时产生酸的酸产生剂成分(B),其中 基材成分(A)含有具有两个以上酚羟基的多元酚化合物中的酚羟基的一部分或全部氢原子的一部分或全部的化合物(A1),其分子量为 300〜2500,由下述通式(I)表示,用下述通式(II)表示的酸解离性溶解抑制基团(II)代替。
    • 73. 发明授权
    • Positive type resist composition and resist pattern formation method using same
    • 正型抗蚀剂组合物和使用其的抗蚀剂图案形成方法
    • US07501221B2
    • 2009-03-10
    • US11347167
    • 2006-02-02
    • Takeshi IwaiNaotaka KubotaSatoshi FujimuraMiwa MiyairiHideo Hada
    • Takeshi IwaiNaotaka KubotaSatoshi FujimuraMiwa MiyairiHideo Hada
    • G03F7/004
    • G03F7/0397Y10S430/106Y10S430/111
    • There is provided a positive type resin composition comprising (A) a resin component comprising within the principal chain a structural unit derived from a (meth)acrylate ester and incorporating an acid dissociable, dissolution inhibiting group containing a polycyclic group on an ester side chain section, for which the solubility in alkali increases under the action of acid, (B) an acid generator component which generates acid on exposure, and (C) an organic solvent, whereinthe component (A) comprises both a structural unit derived from a methacrylate ester and a structural unit derived from an acrylate ester. According to such a resist composition, a resist pattern can be formed which displays little surface roughness and line edge roughness on etching, and also offers excellent resolution and a wide depth of focus range.
    • 提供一种正型树脂组合物,其包含(A)树脂组分,其在主链内包含衍生自(甲基)丙烯酸酯的结构单元,并且在酯侧链部分上并入含有多环基团的酸解离的溶解抑制基团 (B)在暴露时产生酸的酸产生剂组分和(C)有机溶剂,其中组分(A)包含衍生自甲基丙烯酸酯的结构单元 酯和衍生自丙烯酸酯的结构单元。 根据这样的抗蚀剂组合物,可以形成抗蚀剂图案,其在蚀刻时显示出很小的表面粗糙度和线边缘粗糙度,并且还提供优异的分辨率和宽的焦深范围。
    • 74. 发明申请
    • NOVEL COMPOUND, MANUFACTURING METHOD THEREOF, ACID GENERATOR, RESIST COMPOSITION AND METHOD OF FORMING A RESIST PATTERN
    • 新型化合物,其制造方法,酸发生器,耐蚀组合物和形成耐蚀图案的方法
    • US20090023095A1
    • 2009-01-22
    • US12174293
    • 2008-07-16
    • Hideo HadaTakeshi IwaiTakehiro SeshimoAkiya KawaueKeita Ishiduka
    • Hideo HadaTakeshi IwaiTakehiro SeshimoAkiya KawaueKeita Ishiduka
    • G03F7/004C07D333/46C07D335/02C07C309/02
    • C07D335/02C07C309/04C07D333/46G03F7/0045G03F7/0397Y10S430/106Y10S430/111Y10S430/122Y10S430/123
    • There are provided a novel compound represented by a general formula (b1-1) shown below, which is useful as an acid generator for a resist composition and a manufacturing method thereof, a compound useful as a precursor of the novel compound and a manufacturing method thereof, an acid generator, a resist composition and a method of forming a resist pattern. (wherein, R1 represents an aryl group or alkyl group which may contain a substituent group; R3 represents a hydrogen atom or an alkyl group; n1 represents an integer of 0 or 1, and in the case that n1 is 1, R1 and R3 may mutually be bonded to form a ring with a 3- to 7-membered ring structure together with the carbon atom with which R1 is bonded and the carbon atom with which R3 is bonded; A represents a bivalent group which forms a ring with 3- to 7-membered ring structure together with the sulfur atom with which A is bonded, and the ring may contain a substituent group; R2 represents an aromatic group which may contain a substituent group, a linear or branched alkyl group of 1 to 10 carbon atoms which may contain a substituent group, or a linear or branched alkenyl group of 2 to 10 carbon atoms which may contain a substituent group; n represents an integer of 0 or 1; and Y1 represents an alkylene group of 1 to 4 carbon atoms in which hydrogen atoms may be substituted with fluorine atoms.).
    • 提供了由下述通式(b1-1)表示的新化合物,其可用作抗蚀剂组合物的酸产生剂及其制备方法,可用作新化合物的前体的化合物和制备方法 酸产生剂,抗蚀剂组合物和形成抗蚀剂图案的方法。 (其中,R1表示可以含有取代基的芳基或烷基,R3表示氢原子或烷基,n1表示0或1的整数,在n1为1的情况下,R 1和R 3可以 相互键合形成具有3〜7元环结构的环以及与R 1键合的碳原子和与R3结合的碳原子; A表示与3-至 7元环结构与A键合的硫原子一起形成,环可含有取代基; R2表示可含有取代基的芳香族基团,碳原子数1〜10的直链或支链烷基, 可以含有取代基,或可以含有取代基的2〜10个碳原子的直链或支链烯基; n表示0或1的整数; Y1表示碳原子数为1〜4的亚烷基,其中氢 原子可以被氟取代 oms)。
    • 78. 发明授权
    • Method of forming resist pattern, positive resist composition, and layered product
    • 形成抗蚀剂图案的方法,正型抗蚀剂组合物和层状产品
    • US07316885B2
    • 2008-01-08
    • US10535533
    • 2003-12-01
    • Hideo HadaMiwa MiyairiNaotaka KubotaTakeshi Iwai
    • Hideo HadaMiwa MiyairiNaotaka KubotaTakeshi Iwai
    • G03F7/004G03F7/30
    • G03F7/40G03F7/0392G03F7/0397Y10S430/106Y10S430/111
    • There are provided a method of forming a resist pattern that enables the resist pattern to be formed with good control of the pattern size, as well as a positive resist composition used in the method, and a layered product formed using the positive resist composition. In the above method a positive resist composition comprising a resin component (A), which contains a structural unit (a1) derived from a (meth)acrylate ester represented by a general formula (I) shown below, and displays increased alkali solubility under action of acid, and an acid generator component (B) that generates acid on exposure is applied to a substrate, a prebake is conducted, the resist composition is selectively exposed, post exposure baking (PEB) is conducted, alkali developing is then used to form a resist pattern, and the pattern size of the thus produced resist pattern is then narrowed by heat treatment.
    • 提供一种形成抗蚀剂图案的方法,其能够形成对图案尺寸的良好控制,以及该方法中使用的正性抗蚀剂组合物和使用正性抗蚀剂组合物形成的层叠体。 在上述方法中,含有含有由下述通式(I)表示的(甲基)丙烯酸酯衍生的结构单元(a1))的树脂成分(A)的正型抗蚀剂组合物在动作中显示出增加的碱溶解性 的酸,并且在基材上产生酸的酸发生剂组分(B)施加到基材上,进行预烘烤,选择性地暴露抗蚀剂组合物,进行曝光后烘烤(PEB),然后用碱显影形成 抗蚀剂图案,然后通过热处理使由此制得的抗蚀剂图案的图案尺寸变窄。