Abstract:
PROBLEM TO BE SOLVED: To provide a pattern forming method, a photosensitive or radiation-sensitive resin composition, a resist film and a compound, a method for manufacturing an electronic device, and an electronic device, which exhibit high roughness performance and defocusing performance in the formation of an ultrafine pattern (particularly a trench pattern or a hole pattern in a size of 50 nm or less), and excellent resolution and exposure latitude.SOLUTION: The pattern forming method includes steps of (1) forming a film comprising the following photosensitive or radiation-sensitive resin composition, (2) exposing the film, and (3) developing the film with an organic solvent-containing developer to form a negative pattern. The photosensitive or radiation-sensitive resin composition comprises a compound (A) expressed by general formula (I-1), a compound (B) which is different from the compound (A) and generates an acid by irradiation with actinic rays or radiation, and a resin (P) which does not react with an acid generated from the compound (A) but shows decrease in the solubility with an organic solvent-containing developer by an action of an acid from the compound (B). Also disclosed are the photosensitive or radiation-sensitive resin composition, a resist film, the compound (A), a method for manufacturing an electronic device, and an electronic device.
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition having effect in improvement of a trailing shape of a resist pattern and capable of forming a pattern with good LER performance, and a pattern forming method using the composition.SOLUTION: An actinic ray-sensitive or radiation-sensitive resin composition comprises: (A) resin increasing solubility of the resin in alkali developer by action of acid; and (B) a compound generating the acid by irradiation with an actinic ray or a radiation ray. The compound generating the acid by the irradiation with the actinic ray or the radiation ray is contained by an amount of 10 to 30 mass% on the basis of the entire solid content of the actinic ray-sensitive or radiation-sensitive resin composition. A pattern forming method uses the composition.
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray sensitive or radiation sensitive resin composition capable of suppressing occurrence of pattern collapse or bridge defects after developing, and having a high residual film ratio, in a negative pattern formation by means of organic solvent developing, 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: a resin (P) having a repeating unit (a) represented by the following general formula (I); a compound (B) represented by any one of specific general formulae (B-1) to (B-3); and a solvent. 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 pattern forming method having excellent roughness performance such as line width roughness, uniformity in a local pattern dimension and exposure latitude and suppressing reduction in a film thickness, so-called film loss, in a pattern formed by exposure, and to provide an actinic ray-sensitive or radiation-sensitive resin composition and a resist film used for the method.SOLUTION: The pattern forming method includes the steps of: (1) forming a film of an actinic ray-sensitive or radiation-sensitive resin composition comprising resin (P) having a repeating unit (a) expressed by a general formula (I) and a compound (B) generating an organic acid upon irradiation with actinic rays or radiation; (2) exposing the film; and (3) developing the film by using a developing solution containing an organic solvent to form a negative pattern. In the general formula (I), Rrepresents a hydrogen atom or a methyl group; and R, R, and Reach independently represent a straight-chain or branched alkyl group.
Abstract:
PROBLEM TO BE SOLVED: To provide a pattern forming method for achieving excellent roughness performance such as line width roughness, uniformity of local pattern dimensions and exposure latitude, reducing dependency of a pattern size on developing time, and suppressing reduction of film thickness, so-called film thinning, in a patterned portion formed by development, and to provide an actinic ray-sensitive or radiation-sensitive resin composition used for the method, a resist film, a method for manufacturing an electronic device and an electronic device.SOLUTION: The pattern forming method includes steps of: (1) forming a film by using an actinic ray-sensitive or radiation-sensitive resin composition comprising a resin (P) having a repeating unit (a1) expressed by general formula (I) or (II) by 20 mol% or more in the whole repeating units and a compound (B) that generates an acid by irradiation with actinic rays or radiation; (2) exposing the film: and (3) forming a negative pattern by developing the exposed film by using a developing solution containing an organic solvent.
Abstract:
PROBLEM TO BE SOLVED: To provide a pattern forming method, by which a pattern with good line width roughness (LWR) and a rectangular profile can be formed, and to provide a multilayer resist pattern formed by the method, a multilayer film for development with an organic solvent suitably used for the pattern forming method, and a resist composition suitably used for the pattern forming method, a method for manufacturing an electronic device, and an electronic device.SOLUTION: The pattern forming method includes steps of: (1) forming a first film on a substrate by using a first resin composition (I); (2) forming a second film on the first film by using a second resin composition (II) different from the resin composition (I); (3) exposing a multilayer film having the first film and the second film; (4) developing the first film and the second film in the exposed multilayer film by using a developing solution 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 that excels in roughness property, exposure latitude, depth of focus and development defect performance and that allows to form a fine isolated space pattern of favorable shape, and to provide a pattern forming method using the same.SOLUTION: An actinic ray sensitive or radiation sensitive resin composition contains a resin (P) including a repeating unit (A) comprising a structure moiety (S1) which is decomposed by action of an acid to generate an alkali soluble group and a structure moiety (S2) which is decomposed by action of an alkali developer to increase the dissolution rate in the alkali developer, where the content of the repeating unit (A) is 30 mol% or more based on the total repeating units in the resin.
Abstract:
PROBLEM TO BE SOLVED: To provide a production method capable of obtaining a lactone compound containing an acid-degradable group with a high yield, and a production method for an active light ray-sensitive or radiation-sensitive resin composition in which resist performance is improved.SOLUTION: This production method is a production method for a compound represented by formula (IB) below using a compound represented by formula (IA) below. (formulas (IA) and (IB)) (where Q represents a polymerizable group; Ls are independently a linking group when m is 2 or more; Lc represents a group having a lactone structure; Arepresents a group eliminated by an action of an acid or a group having a group generating an alkali soluble group by being degraded by an action of an acid; and m represents an integer of 0 or more).
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition which improves a pattern shape and exposure latitude and reduces bridge defects, and a pattern forming method using the same.SOLUTION: The actinic ray-sensitive or radiation-sensitive resin composition comprises: a resin (P) comprising a repeating unit (A) having a structural moiety (S1) which is decomposed by the action of an acid to thereby generate an alkali-soluble group, and a structural moiety (S2) which is decomposed by the action of an alkali developer to thereby exhibit an increased dissolution rate in the alkali developer; and a compound (PDA) which has a proton accepting functional group and is decomposed upon irradiation with actinic rays or radiation to thereby generate a compound having reduced or lost proton accepting ability or having acidity turned from proton accepting ability.
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition which improves exposure latitude, depth of focus and pattern shape and to suppress standing waves, and a pattern forming method using the same.SOLUTION: The actinic ray-sensitive or radiation-sensitive resin composition comprises: a resin (P) comprising a repeating unit (A) having a structural moiety (S1) which is decomposed by the action of an acid to thereby generate an alkali-soluble group, and a structural moiety (S2) which is decomposed by the action of an alkali developer to thereby exhibit an increased dissolution rate in the alkali developer; and a compound (Q) represented by any one of general formulae (1) to (5).