Abstract:
PROBLEM TO BE SOLVED: To provide a negative pattern formation method that allows excellent roughness performance such as line width roughness, exposure latitude, and dry etching resistance, and an actinic ray-sensitive or radiation-sensitive resin composition and a resist film used for the same.SOLUTION: A negative pattern formation method comprises: (A) a step of forming a film using an actinic ray-sensitive or radiation-sensitive resin composition including a resin containing repeating units consisting of 65 mol% or more repeating units including a group that is decomposed by the action of acid to generate a polar group, with respect to the repeating units in the resin as a whole, and expressed by a following general formula (I); (B) a step of exposing the film; and (C) a step of developing an image using a developing solution including an organic solvent to form a negative pattern.
Abstract:
PROBLEM TO BE SOLVED: To provide a pattern formation method that allows excellent roughness performance such as line width roughness and exposure latitude, and an actinic ray-sensitive or radiation-sensitive resin composition and a resist film used for the same.SOLUTION: A pattern formation method comprises: (A) a step of forming a film using an actinic ray-sensitive or radiation-sensitive resin composition including a resin containing repeating units consisting of 65 mol% or more repeating units including a group that is decomposed by the action of acid to generate a polar group, with respect to the repeating units in the resin as a whole, and expressed by a following general formula (I) or (II); (B) a step of exposing the film; and (C) a step of developing an image using a developing solution including an organic solvent.
Abstract:
PROBLEM TO BE SOLVED: To provide a pattern forming method excellent in both of line width uniformity of a pattern and developing time-dependency of sensitivity, a chemically amplified resist composition and a resist film, for negative pattern formation with a developer containing an organic solvent.SOLUTION: A pattern forming method, in which a negative pattern is formed, comprises steps of: (1) forming a film with a chemically amplified resist composition containing (A) a resin that has 35 mol% or more of a repeating unit having an alcoholic hydroxyl group based on all repeating units in the resin, and is increased in its polarity and reduced in its solubility in a developer containing an organic solvent by an action of an acid, and (B) a compound that generates an acid by irradiation with an actinic ray or radiation; (2) exposing the film; and (3) developing a pattern with the developer containing the organic solvent.
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition that is excellent in resolution such as a critical dimension with no bridge defects, and DOF, as well as a resist film and a pattern forming method using the composition.SOLUTION: An actinic ray-sensitive or radiation-sensitive resin composition contains a resin that is decomposed by an action of an acid to produce an amide group or a thioamide group.
Abstract:
PROBLEM TO BE SOLVED: To provide a pattern forming method capable of forming a pattern with a small defect density.SOLUTION: The pattern forming method includes: (a) forming a film using a chemical amplification type resist composition; (b) exposing the film; and (c) developing the exposed film using a developer containing a first organic solvent. The developer has a density of particles having a particle diameter of 0.3 μm or more of 30 pieces/mL.
Abstract:
PROBLEM TO BE SOLVED: To provide a pattern forming method excellent in resolution such as a minimum dimension that does not allow a bridge defect to generate, roughness performance such as line edge roughness and dependence on developing time, to provide an actinic ray sensitive or radiation sensitive resin composition used for the method, and to provide a resist film.SOLUTION: A pattern forming method comprises the steps of: (a) forming a film from an actinic ray sensitive or radiation sensitive resin composition containing a compound(A) that generates an acid upon irradiation with an actinic ray or radiation and is decomposed by an action of an acid to reduce solubility in an organic solvent; (b) exposing the film; and (c) developing using a developer containing an organic solvent.
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition which is excellent in development defect performance, liquid immersion defect performance and limit resolution and enables to form a pattern having a good shape, and a pattern forming method using the same.SOLUTION: The actinic ray-sensitive or radiation-sensitive resin composition comprises a resin which contains a first repeating unit having a group that is decomposed by the action of an acid to thereby generate an alcoholic hydroxyl group, and which exhibits decreased solubility in a developer containing an organic solvent under the action of an acid, a compound which generates an acid upon irradiation with actinic rays or radiation, and a hydrophobic resin.
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition having an effect of improving the circularity of a pattern and allowing formation of a pattern with a good focus latitude, and to provide a pattern forming method using the composition. SOLUTION: The actinic ray-sensitive or radiation-sensitive resin composition comprises (A) a resin the solubility of which with an alkali developing solution is increased by an action of an acid, and (B) a compound expressed by general formula (1-1) or (1-2), which generates an acid by irradiation with actinic rays or radiation. The composition is characterized in that: the resin (A) contains a repeating unit having an acid decomposable group, and the content rate of the repeating unit is from 45 to 75 mol% with respect to the whole repeating units in the resin (A); and the content rate of the compound (B) is from 10 to 30 mass% on a basis of the whole solid content of the composition. In general formula (1-1), R 13 represents a hydrogen atom, fluorine atom, or the like; R 14 each independently represents, when plural R 14 are present, an alkyl group, a cycloalkyl group, or the like; R 15 each independently represents an alkyl group, a cycloalkyl group, or the like; l represents an integer of 0 to 2; r represents an integer of 0 to 8; and X - represents a non-nucleophilic anion. In general formula (1-2), M represents an alkyl group, a cycloalkyl group, or the like; R 1c and R 2c each independently represent a hydrogen atom, an alkyl group, or the like; R x and R y each independently represent an alkyl group, a cycloalkyl group, or the like; and X - represents a non-nucleophilic anion. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition satisfying high sensitivity, high resolution, good pattern form, good line edge roughness and reduction of outgassing at the same time in a superfine region, in particular, in electron beam, X-ray or EUV ray lithography, and to provide a resist film and a pattern forming method using the resist film. SOLUTION: The actinic ray-sensitive or radiation-sensitive resin composition contains a resin (P) having the following repeating units (A)-(C) and a solvent having a boiling temperature of 150°C or lower. A resist film of the composition and a pattern-forming method using the composition are provided. The repeating units are: (A) a repeating unit containing a group for decomposing and forming an acid upon irradiation with ah actinic ray or radiation; (B) a repeating unit containing a group for decomposing and forming a carboxylic acid by the action of an acid; and (C) a repeating unit containing a carbon-carbon unsaturated bond. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition having an effect of improving the circularity of a pattern and allowing formation of a pattern with a good focus latitude, and to provide a pattern forming method using the composition.SOLUTION: An actinic ray sensitive or radiation sensitive resin composition contains (A) a resin solubility of which to an alkali developer is increased by the action of acids, and (B) a compound represented by the general formula (1-1) or (1-2) generating acids by irradiation of an actinic ray or radiation, the resin (A) contains a repeating unit having an acid decomposable group, the percentage content of the repeating unit is 45 to 75 mol% based on all repeating units in the resin (A), and the content of the compound (B) is 10 to 30 mass% based on all solid contents of the composition.