Abstract:
PROBLEM TO BE SOLVED: To provide: a resist composition having excellent development failure performance; and a pattern forming method using the composition.SOLUTION: The resin composition contains: a resin which contains a repeating unit including a group that dissolves by action of acid to generate an alcoholic hydroxy group and decreases the solubility to a developing solution containing an organic solvent by the action of acid; and a compound that generates acid expressed by the following general formula (I) by application of activated light rays or radiation rays, wherein Xf represents each independently, a fluorine atom or an alkyl group substituted with at least one fluorine atom, Rand Rrepresent each independently, a group selected from the group consisting of a hydrogen atom, a fluorine atom, an alkyl group, and an alkyl group substituted with at least one fluorine atom, L represents each independently a single bond or divalent linking group, A represents each independently a group having a cyclic structure, x represents each independently an integer of 1 to 20, y represents each independently an integer of 0 to 10, and z represents each independently an integer of 0 to 10.
Abstract translation:要解决的问题:提供:具有优异的显影破坏性能的抗蚀剂组合物; 和使用该组合物的图案形成方法。树脂组合物含有:含有重复单元的树脂,该重复单元包括通过酸作用而溶解以产生醇羟基并降低对含有有机溶剂的显影溶液的溶解度的基团 通过酸的作用; 以及通过施加活化的光线或射线产生由以下通式(I)表示的酸的化合物,其中Xf各自独立地为氟原子或被至少一个氟原子取代的烷基,R R R R各自独立地 选自氢原子,氟原子,烷基和被至少一个氟原子取代的烷基的基团,L各自独立地为单键或二价连接基团,A表示各自独立地为 具有环状结构的基团,x表示各自独立地为1〜20的整数,y表示各自独立地为0〜10的整数,z表示各自独立地为0〜10的整数。
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition having an effect in the improvement of tapered profile of a resist pattern and enabling formation of a pattern with good LER performance, and a pattern forming method using the composition. SOLUTION: An actinic ray-sensitive or radiation-sensitive resin composition includes: (A) a resin capable of increasing a solubility of the resin in an alkali developer by an action of an acid; and (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation, wherein the compound capable of generating an acid upon irradiation with an actinic ray or radiation is contained in an amount of 10 to 30 mass% based on the entire solid content of the actinic ray-sensitive or radiation-sensitive resin composition. The pattern forming method uses the composition. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a pattern forming method achieving excellent exposure latitude (EL), uniformity of local pattern dimensions, rectangularity and circularity of a cross-sectional shape in the formation of a fine pattern such as a hole pattern having a hole diameter of 45 nm or less, and to provide an actinic ray-sensitive or radiation-sensitive resin composition and a resist film used for the method, a method for manufacturing an electronic device, and an electronic device.SOLUTION: The pattern forming method includes steps of: (1) forming a film of the following actinic ray-sensitive or radiation-sensitive resin composition; (2) exposing the film; and (3) developing the film by using a developing solution comprising an organic solvent to form a negative pattern. The actinic ray-sensitive or radiation-sensitive resin composition comprises: a resin (P) having a repeating unit (a) expressed by general formula (I); a compound (B) that generates an organic acid by irradiation with actinic rays or radiation; and a nitrogen-containing organic compound (NA) having a group that desorbs by an action of an acid. In general formula (I), R, Rand Reach independently represent a linear or branched alkyl group.
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition having an effect of improving a trailing shape of a resist pattern and enabling formation of a pattern with excellent LER performance, and a pattern forming method using the composition.SOLUTION: The actinic ray-sensitive or radiation-sensitive resin composition comprises (A) a resin showing increase in the solubility with an alkali developing solution by an action of an acid, and (B) a compound that generates an acid by irradiation with actinic rays or radiation; and the actinic ray-sensitive or radiation-sensitive resin composition includes the (B) compound that generates an acid by irradiation with actinic rays or radiation by 10 to 30 mass% on a basis of the whole solid content of the resin composition. A pattern forming method is carried out by using the above composition.
Abstract:
PROBLEM TO BE SOLVED: To provide: an actinic ray-sensitive or radiation-sensitive resin composition improved in CDU and roundness and suited even for a liquid immersion process with a line width of 45 nm or less; an actinic ray-sensitive or radiation-sensitive film and a pattern formation method which use the composition; and an electronic device manufacturing method and an electronic device.SOLUTION: An actinic ray-sensitive or radiation-sensitive resin composition contains a compound (A) represented by the specified general formula (1), and a resin (B) whose solubility in an alkaline developer is increased by the action of an acid. (The meaning of each symbol in the general formula (1) is described in the claims.)
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition capable of satisfying, in a high level, all of reducing the number of development defects (bridge defects), reducing fluctuations of a critical dimension (CD) of a pattern line width per 1°C of PEB temperature (PEB temperature dependence), and enlarging a focus latitude in a space (space-DOF (depth of focus)), and to provide an actinic ray-sensitive or radiation-sensitive film using the actinic ray-sensitive or radiation-sensitive resin, a method for forming a pattern, a method for manufacturing an electronic device, and an electronic device using the above composition.SOLUTION: The actinic ray-sensitive or radiation-sensitive resin composition includes (A) a resin having a repeating unit expressed by general formula (1A) and a repeating unit expressed by general formula (1B) that is decomposed by an acid to generate a carboxyl group, and (B) a compound that generates an acid by irradiation with actinic rays or radiation. In general formula (1A), L represents a single bond or a divalent connecting group; and Z represents a cyclic acid anhydride group.
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition achieving a favorable cross-sectional shape with high rectangularity, a high film residual rate and reduction of bridge defects, and to provide a resist film and a pattern forming method using the composition, and a method for manufacturing an electronic device and an electronic device.SOLUTION: The actinic ray-sensitive or radiation-sensitive resin composition includes: (A) a resin having a repeating unit expressed by following general formula (1), a repeating unit having a lactone structure or a sultone structure, and a repeating unit that is decomposed by an action of an acid to generate an alkali-soluble group; and (B) a compound that generates an acid by irradiation with actinic rays or radiation. In general formula (1), L represents a single bond or a divalent connecting group; Rrepresents a hydrogen atom or an alkyl group; and Z represents a cyclic acid anhydride group.
Abstract:
PROBLEM TO BE SOLVED: To provide a pattern forming method excellent in exposure latitude (EL), uniformity in local pattern dimensions, rectangularity and circularity in a cross-sectional shape in a fine pattern formation such as a hole pattern with a pore diameter of 45 nm or smaller, and to provide an actinic ray sensitive or radiation sensitive resin composition used therefor, a resist film, a method for manufacturing an electronic device, and an electronic device.SOLUTION: There is provided a pattern forming method comprising the steps of: (i) forming a film using an actinic ray sensitive or radiation sensitive resin composition including a resin (P) having a repeating unit (a) represented by the following general formula (I), a compound (B) that generates an organic acid by irradiation with an actinic ray or radiation, and a nitrogen-containing organic compound (NA) including a group to be eliminated by an action of an acid; (ii) exposing the film; and (iii) developing the exposed film using a developer containing an organic solvent to form a negative pattern.
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic-ray-sensitive or radiation-sensitive resin composition capable of forming a pattern excellent in in-plane uniformity (CDU) of line width, and a pattern forming method using the composition.SOLUTION: An actinic-ray-sensitive or radiation-sensitive resin composition contains (A) a resin that has a repeating unit having a specific lactone structure and a repeating unit having a specific monoalicyclic structure and whose solubility in an alkaline developer is increased by the action of an acid and (B) a compound having a specific structure which generates an acid upon irradiation with an actinic ray or a radiation.