Abstract:
Provided are a pattern forming method including a step of applying a composition for forming an upper layer film, containing a resin having a C log P(Poly) of 3.0 or more and at least one compound selected from the group consisting of (A1) to (A4) described in the specification onto a resist film to form an upper layer film, a step of exposing the resist film, and a step of developing the exposed resist film with a developer including an organic solvent; a resist pattern formed by the pattern forming method; a method for manufacturing an electronic device, including the pattern forming method; and the composition for forming an upper layer film.
Abstract:
Provided are a pattern forming method capable of providing good DOF, EL, and watermark defect performance, a resist pattern formed by the pattern forming method, a composition for forming an upper layer film, used in the pattern forming method, and a method for manufacturing an electronic device, including the pattern forming method. The pattern forming method includes a step a of coating an active-light-sensitive or radiation-sensitive resin composition onto a substrate to forming a resist film, a step b of coating a composition for forming an upper layer film onto the resist film to form an upper layer film on the resist film, a step c of exposing the resist film having the upper layer film formed thereon, and a step d of developing the exposed resist film using a developer including an organic solvent to form a pattern, in which a receding contact angle of water on a surface of the upper layer film is 80° or more.
Abstract:
A pattern forming method includes coating an actinic ray-sensitive or radiation-sensitive resin composition onto a substrate to form an actinic ray-sensitive or radiation-sensitive film, coating a composition for forming a protective film onto the actinic ray-sensitive or radiation-sensitive film to form a protective film, exposing the actinic ray-sensitive or radiation-sensitive film covered with the protective film, and developing the exposed actinic ray-sensitive or radiation-sensitive film using a developer containing an organic solvent, in which the protective film contains a compound (A) including at least one group or bond selected from the group consisting of an ether bond, a thioether bond, a hydroxyl group, a thiol group, a carbonyl bond, and an ester bond, and a resin (X).
Abstract:
Provided are a composition for forming an upper layer film for a photoresist, including a polymer having a molecular weight distribution in which a peak area of a high-molecular-weight component having a weight-average molecular weight of 40,000 or more accounts for 0.1% or less with respect to the entire peak area in the molecular weight distribution, measured by the gel permeation chromatography.
Abstract:
A pattern forming method includes the following steps (a) to (d): (a) applying an actinic ray-sensitive or radiation-sensitive resin composition including a resin capable of increasing a polarity by the action of an acid onto a substrate to form a resist film, (b) forming an upper layer film on the resist film, (c) exposing the resist film having the upper layer film formed thereon, and (d) developing the exposed resist film using an organic developer to form a pattern, in which the resin capable of increasing the polarity by the action of an acid includes an acid-decomposable repeating unit having an acid-leaving group a having 4 to 7 carbon atoms, and the maximum value of the number of carbon atoms and the protection rate of the acid-leaving group a satisfy specific conditions.
Abstract:
One embodiment of the present invention provides a pattern forming method including a step for forming an actinic ray-sensitive or radiation-sensitive film on a substrate using an actinic ray-sensitive or radiation-sensitive resin composition, a step for forming an upper layer film on the actinic ray-sensitive or radiation-sensitive film using a composition for forming an upper layer film, a step for exposing a laminate film including the actinic ray-sensitive or radiation-sensitive film and the upper layer film, and a step for developing the exposed laminate film using a developer including an organic solvent. The composition for forming an upper layer film contains a resin (XA), a resin (XB) containing fluorine atoms, a basic compound (XC), and a solvent (XD), and the resin (XA) is a resin not containing fluorine atoms, or in a case where the resin (XA) contains fluorine atoms, the resin (XA) is a resin having a lower content of fluorine atoms than that in the resin (XB), based on a mass.
Abstract:
The present invention has an object to provide a pattern forming method capable of providing good DOF and EL, a resist pattern formed by the pattern forming method, and a method for manufacturing an electronic device, including the pattern forming method. The pattern forming method of the present invention includes a step a of coating an active-light-sensitive or radiation-sensitive resin composition onto a substrate to form a resist film, a step b of coating a composition for forming an upper layer film onto the resist film to form an upper layer film on the resist film, a step c of exposing the resist film having the upper layer film formed thereon, and a step d of developing the exposed resist film using a developer to form a pattern, in which the active-light-sensitive or radiation-sensitive resin composition contains a hydrophobic resin.
Abstract:
A pattern-forming method includes in this order: step (1) of forming a film with an electron beam-sensitive or extreme ultraviolet radiation-sensitive resin composition that contains (A) a resin having an acid-decomposable repeating unit and capable of decreasing a solubility of the resin (A) in a developer containing an organic solvent by an action of an acid, (B) a compound capable of generating an acid upon irradiation with an electron beam or extreme ultraviolet radiation, (C) a resin having one or more groups selected from the specific group as defined in the specification and (D) a solvent; step (2) of exposing the film with an electron beam or extreme ultraviolet radiation; and step (4) of developing the film with a developer containing an organic solvent after the exposing to form a negative pattern.
Abstract:
A pattern forming method includes: applying an actinic ray-sensitive or radiation- sensitive resin composition onto a substrate to form a resist film; forming an upper layer film on the resist film, using a composition for forming an upper layer film; exposing the resist film having the upper layer film formed thereon; and developing the exposed resist film using a developer including an organic solvent to form a pattern. The composition for forming an upper layer film contains a resin having a repeating unit (a) with a ClogP value of 2.85 or more and a compound (b) with a ClogP of 1.30 or less, and the receding contact angle of the upper layer film with water is 70 degrees or more, a resist pattern formed by the pattern forming method, and a method for manufacturing an electronic device, including the pattern forming method.
Abstract:
A composition for forming an upper layer film is applied onto a resist film formed using an actinic ray-sensitive or radiation-sensitive resin composition, and includes a resin X and a compound A having a radical trapping group. A pattern forming method includes applying an actinic ray-sensitive or radiation-sensitive resin composition onto a substrate to form a resist film, applying the composition for forming an upper layer film onto the resist film to form an upper layer film on the resist film, exposing the resist film having the upper layer film formed thereon, and developing the exposed resist film using a developer including an organic solvent to form a pattern.