Abstract:
An object of the present invention is to provide a treatment liquid for patterning a resist film and a pattern forming method, each of which can simultaneously suppress the occurrence of pattern collapse in a resist L/S pattern and the occurrence of omission failure in a resist C/H pattern.The treatment liquid of the present invention is a treatment liquid for patterning a resist film, which is used for subjecting a resist film obtained from an actinic ray-sensitive or radiation-sensitive resin composition to at least one of development or washing, and contains an organic solvent, in which the treatment liquid contains a first organic solvent having a relative dielectric constant of 4.0 or less and a second organic solvent having a relative dielectric constant of 6.0 or more.
Abstract:
There is provided a pattern forming method including (1) a step of forming a film with an active-light-sensitive or radiation-sensitive resin composition containing the following (A) to (C): (A) a resin having a repeating unit having a phenolic hydroxyl group, and having a group that decomposes by the action of an acid to generate a polar group, (B) a compound that generates an acid upon irradiation with active light or radiation, and (C) a compound having a cationic site and an anionic site in the same molecule, in which the cationic site and the anionic site are linked to each other via a covalent bond; (2) a step of exposing the film; and (3) a step of developing the exposed film using a developer including an organic solvent to form a negative tone pattern.
Abstract:
There is provided an actinic ray-sensitive or radiation-sensitive resin composition comprising: (A) a resin containing a repeating unit represented by the first specific formula and a repeating unit represented by the second specific formula, wherein the content of the repeating unit represented by the first specific formula is 35 mol % or more based on all repeating units in the resin (A), a resist film formed using the actinic ray-sensitive or radiation-sensitive resin composition.
Abstract:
There is provided a pattern forming method comprising (A) forming a film by using an actinic ray-sensitive or radiation-sensitive resin composition containing a resin containing a repeating unit having a phenol skeleton and a repeating unit having a group capable of decomposing by the action of an acid to produce an alcoholic hydroxy group; (B) exposing the film; and (C) developing the exposed film by using an organic solvent-containing developer.
Abstract:
A pattern forming method includes: preparing a laminate having a substrate, an inorganic base layer, and a resist layer; exposing the resist layer; and developing the laminate using a developer including an organic solvent to form a negative tone pattern, in which a surface energy γA of the resist layer and a surface energy γB of the inorganic base layer after irradiation of the laminate with ultraviolet rays having a wavelength of 13.5 nm from the resist layer side with an integrated light quantity of 40 mJ/cm2, followed by heating of the laminate at 110° C. for 60 seconds are 60 mJ/m2 or more and 55 mJ/m2 or more, respectively, and a difference γAB in surface energies that is defined by Formula (A) is 5.0 mJ/m2 or less: γAB=γA−γB (Formula (A)).
Abstract:
The pattern forming method includes forming an actinic ray-sensitive or radiation-sensitive film using an actinic ray-sensitive or radiation-sensitive composition, forming an upper layer film on the actinic ray-sensitive or radiation-sensitive film using a composition for forming an upper layer film, exposing the actinic ray-sensitive or radiation-sensitive film having the upper layer film formed thereon, and developing the exposed actinic ray-sensitive or radiation-sensitive film using a developer, in which the composition for forming an upper layer film includes a solvent and a crosslinking agent; and in which the content of a solvent having a hydroxyl group is 80% by mass or less with respect to all the solvents included in the composition for forming an upper layer film. The method for manufacturing an electronic device includes the pattern forming method. The laminate has an actinic ray-sensitive or radiation-sensitive film, and an upper layer film including a crosslinking agent.
Abstract:
Provided are a rinsing liquid which is used for rinsing a resist film obtained from an actinic ray-sensitive or radiation-sensitive composition and includes a hydrocarbon-based solvent having a branched alkyl group. The hydrocarbon-based solvent having a branched alkyl group contains at least one of isodecane or isododecane.
Abstract:
A treatment liquid for rinsing and patterning a resist film obtained from an actinic ray-sensitive composition includes an organic solvent in which a content of a compound containing a sulfur atom in the treatment liquid is 10 mmol/L or lower, and the organic solvent is a hydrocarbon solvent. A pattern forming method includes: forming a resist film using an actinic ray-sensitive or radiation-sensitive composition; exposing the resist film; and treating the exposed resist film with the treatment liquid.
Abstract:
There is provided a pattern forming method comprising (1) a step of forming a film by using an actinic ray-sensitive or radiation-sensitive resin composition containing (P) a resin having a repeating unit represented by the specific formula, (2) a step of exposing the film by using an actinic ray or radiation, and (3) a step of developing the exposed film by using an organic solvent-containing developer to form a negative pattern, wherein the content of the repeating unit represented by the specific formula is 25 mol % or more based on all repeating units in the resin (P).
Abstract:
There is provided an actinic ray-sensitive or radiation-sensitive resin composition comprising (P) a resin having (a) a repeating unit represented by the specific formula; a resist film formed using the actinic ray-sensitive or radiation-sensitive resin composition; a pattern forming method comprising (i) a step of forming a film by using the actinic ray-sensitive or radiation-sensitive resin composition, (ii) a step of exposing the film, and (iii) a step of developing the exposed film by using a developer to form a pattern; a method for manufacturing an electronic device, comprising the pattern forming method; and an electronic device manufactured by the manufacturing method of an electronic device.