Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition being excellent in suppressing performance of particle occurrence when the composition is stored and allowing formation of a pattern with line width variation over time being suppressed and a manufacturing method of this composition; and also to provide an actinic ray-sensitive or radiation-sensitive film using this composition and a pattern forming method.SOLUTION: An actinic ray-sensitive or radiation-sensitive resin composition contains (A) a first resin which is decomposed by action of an acid to increase solubility in an alkali developer, (B) a compound which generates an acid by irradiation with an actinic ray or a radiation ray, and (C) at least alkylene glycol monoalkylether carboxylate as a solvent, where the total of the concentration of oxygen and the concentration of nitrogen dissolved in the composition is 0.180 μg/μl or less.
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic-ray-sensitive or radiation-sensitive resin composition capable of forming a good pattern shape excellent in roughness characteristics without film reduction or trailing, and an actinic-ray-sensitive or radiation-sensitive film and a pattern forming method using the composition.SOLUTION: An actinic-ray-sensitive or radiation-sensitive resin composition contains (A) a resin which decomposes by an action of an acid to increase the solubility of the resin in an alkaline developer, (B) an onium salt which includes a nitrogen atom in a cation portion and generates an acid by being decomposed upon irradiation with an actinic-ray or a radiation and (C) a compound represented by the following general formula (1-1) or (1-2) which generates an acid upon irradiation with an actinic-ray or a radiation. (In the general formulas (1-1) and (1-2), each symbol represents the meaning described in the description.)
Abstract:
PROBLEM TO BE SOLVED: To provide an active-ray sensitive or radiation-sensitive resin composition which is improved in development defects and distance dependence of a pattern, and to provide a method for forming a pattern that uses the composition. SOLUTION: The active-ray sensitive or radiation-sensitive resin composition comprises (A) a resin having a specified repeating unit having a norbornane structure in a side chain, and the solubility of which with an alkali developing solution is increased by an action of an acid; (B) a compound generating an acid by irradiation with active rays or radiation; and (C) a resin containing at least either a fluorine atom or a silicon atom and having a group that is decomposed by an action of an alkali developing solution, to increase the solubility with the alkali developing solution. The method for forming a pattern is carried out by using the composition. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To solve the problems of a performance improving technique in the microfabrication of a semiconductor element using an actinic ray or radiation, and to provide a positive photosensitive composition which is improved in pattern collapse, ensures few development defects and excels in various performances such as resolution, isolated DOF and PEB temperature dependency, even in the formation of a fine pattern of ≤100 nm, and a method of forming a pattern using the same. SOLUTION: The positive photosensitive composition includes: a resin whose dissolution rate in an alkaline developing solution increases by the action of an acid, the resin containing a specific acid decomposable repeating unit and a specific acid nondecomposable repeating unit; and a compound capable of generating an acid upon irradiation with an actinic ray or radiation. The method of forming a pattern using the same is also provided. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a pattern forming method using an actinic ray-sensitive or radiation-sensitive resin composition, an actinic ray-sensitive or radiation-sensitive resin composition, and an actinic ray-sensitive or radiation-sensitive film, which are adaptable to a developing process or a rinsing process under various conditions, and to provide a method for manufacturing an electronic device and an electronic device.SOLUTION: The pattern forming method includes steps of: (i) forming a film of an actinic ray-sensitive or radiation-sensitive resin composition; (ii) exposing the film; and (iii) developing the exposed 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) a resin which shows decrease in the solubility with a developing solution comprising an organic solvent by an action of an acid and which comprises a lactone structure expressed by general formula (1); and (B) a compound that generates an acid by irradiation with actinic rays or radiation.
Abstract:
PROBLEM TO BE SOLVED: To provide a positive resist composition for immersion exposure, ensuring that a receding contact angle with respect to an immersion liquid during immersion exposure can be more improved and watermark defects can be reduced, and to provide a method for forming a pattern using the composition.SOLUTION: The positive resist composition for immersion exposure comprises: (A) a resin that is decomposed by an action of an acid to increase the solubility in an alkali developing solution; (B) a compound that generates an acid by irradiation with actinic rays or radiation; (C) a resin having at least either a fluorine atom or a silicon atom; and (D) a mixture solvent containing at least one solvent selected from the group expressed by any of general formulae (S1) to (S3) described below, by 3 to 20 mass% in the whole solvent.
Abstract:
PROBLEM TO BE SOLVED: To provide a hole pattern having an ultrafine pore diameter, excellent in circularity while maintaining excellent dependence on development time.SOLUTION: There is provided an actinic ray sensitive or radiation sensitive resin composition including: (P) a resin having a repeating unit (a) represented by the following general formula (I); (B) a compound that generates an organic acid by irradiation with an actinic ray or radiation; and (C) a basic compound or an ammonium salt compound that decreases basicity by irradiation with the actinic ray or radiation. A molar ratio [C]/[B] of the compound (C) to the compound (B) is 0.4 or more. A resist film, a pattern forming method, a method for manufacturing an electronic device and an electronic device using the same are also provided. In the general formula (I), Rrepresents a hydrogen atom or a methyl group. 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 ultrafine pore diameter (for instance, 60 nm or smaller), and capable of forming a hole pattern excellent in cross sectional shape, in an excellent uniformity in local pattern dimensions, and to provide a resist film, a pattern forming method, a method for manufacturing an electronic device, and an electronic device using the same.SOLUTION: There is provided an actinic ray sensitive or radiation sensitive resin composition including: (P) a resin including a repeating unit (a) represented by the following general formula (I) of 30 mole % or more based on whole repeating units; (B) a compound that generates an acid by irradiation with an actinic ray or radiation; and (G) a compound including at least one of a fluorine atom and a silicon atom, and having basicity or increasing basicity by the action of the acid. In the general formula (I), Rrepresents a hydrogen atom or a methyl group. R, Rand Reach independently represent a linear or branched alkyl group.
Abstract:
PROBLEM TO BE SOLVED: To provide a positive photosensitive composition allowing improvement of pattern collapse in formation of a 100 nm or less fine pattern, having fewer development defects and being excellent in various performances such as resolution, isolation DOF and PEB temperature dependency and a pattern formation using the same, in order to solve problems on performance improvement technology in microfabrication of a semiconductor element using an active ray or radiation.SOLUTION: The positive photosensitive composition is characterized by containing a resin which has a specific acid decomposable repeating unit and a specific acid non-decomposable repeating unit and an increased dissolution rate in an alkali developer by action of acid and containing a compound generating acid by irradiation with an active ray or radiation. The pattern formation method uses it.