Patents by Inventor Toru Tsuchihashi
Toru Tsuchihashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230132693Abstract: An object of the present invention is to provide a rinsing liquid that has excellent resolution and excellent film thickness loss suppressiveness in a case where the rinsing liquid is used to rinse a resist film and a pattern forming method that uses the rinsing liquid. The rinsing liquid according to an embodiment of the present invention is a rinsing liquid for resist film patterning for a resist film obtained from an actinic ray-sensitive or radiation-sensitive composition, and contains at least a first ester-based solvent having 7 carbon atoms other than an acetate.Type: ApplicationFiled: December 6, 2022Publication date: May 4, 2023Applicant: FUJIFILM CorporationInventors: Satomi TAKAHASHI, Toru TSUCHIHASHI
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Publication number: 20220308449Abstract: The present invention provides a treatment liquid excellent in resolution, a property of suppressing reduction in film thickness, and a property of suppressing residues, in a case of being used for at least one of developing or washing a resist film. Further, the present invention provides a pattern forming method for the above-described treatment liquid. The treatment liquid of the present invention is a treatment liquid for patterning a resist film, which is used for performing at least one of development or washing after exposure on a resist film obtained from an actinic ray-sensitive or radiation-sensitive composition, the treatment liquid including a first organic solvent that satisfies a predetermined condition and a second organic solvent that satisfies a predetermined condition.Type: ApplicationFiled: June 7, 2022Publication date: September 29, 2022Applicant: FUJIFILM CorporationInventors: Toru TSUCHIHASHI, Satomi TAKAHASHI, Tetsuya SHIMIZU
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Publication number: 20220179312Abstract: An object of the present invention is to provide a pattern forming method capable of forming a pattern having an excellent resolution, using a main chain scission-type resist; and a method for manufacturing an electronic device. The pattern forming method of an embodiment of the present invention includes a step of forming a resist film on a support, using a resist composition including a polymer in which a bond of a main chain is scissed by exposure to reduce the molecular weight; a step of exposing the resist film; and a step of developing the exposed resist film using a developer, in which the developer includes an alcohol-based solvent including a branched hydrocarbon group as a main component.Type: ApplicationFiled: February 17, 2022Publication date: June 9, 2022Applicant: FUJIFILM CorporationInventor: Toru TSUCHIHASHI
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Publication number: 20210200097Abstract: 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 an SP value of 16.3 MPa1/2 or less and a second organic solvent having an SP value of 17.1 MPa1/2 or more.Type: ApplicationFiled: February 17, 2021Publication date: July 1, 2021Applicant: FUJIFILM CorporationInventors: Hideaki TSUBAKI, Toru TSUCHIHASHI, Wataru NIHASHI, Kei YAMAMOTO
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Patent number: 11042094Abstract: 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.Type: GrantFiled: March 28, 2018Date of Patent: June 22, 2021Assignee: FUJIFILM CorporationInventors: Shuji Hirano, Hideaki Tsubaki, Toru Tsuchihashi, Wataru Nihashi, Kei Yamamoto
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Patent number: 10962884Abstract: 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 an SP value of 16.3 MPa1/2 or less and a second organic solvent having an SP value of 17.1 MPa1/2 or more.Type: GrantFiled: March 28, 2018Date of Patent: March 30, 2021Assignee: FUJIFILM CorporationInventors: Hideaki Tsubaki, Toru Tsuchihashi, Wataru Nihashi, Kei Yamamoto
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Patent number: 10890847Abstract: A pattern forming method includes, in this order, forming a film on a substrate, using an active-light-sensitive or radiation-sensitive resin composition containing a resin (A) which has a repeating unit having a phenolic hydroxyl group, and a repeating unit having a group that decomposes by the action of an acid to generate a carboxyl group, and a compound (B) that generates an acid upon irradiation with active light or radiation; exposing the film; and developing the exposed film using a developer including an organic solvent, in which the developer including an organic solvent contains an organic solvent having 8 or more carbon atoms and 2 or less heteroatoms in the amount of 50% by mass or more.Type: GrantFiled: November 22, 2016Date of Patent: January 12, 2021Assignee: FUJIFILM CorporationInventors: Toru Tsuchihashi, Wataru Nihashi, Hideaki Tsubaki
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Patent number: 10788754Abstract: Provided are a positive tone pattern forming method in which development is carried out using a developer containing an organic solvent with use of a composition containing (A) a resin which has a repeating unit containing a moiety capable of forming a polar interaction and whose polarity is decreased due to release of the polar interaction by the action of an acid or a base, or a composition containing (A?) a resin having a repeating unit containing a polar group and (B) a compound capable of forming a polar interaction with the polar group of the resin (A?); and an electronic device manufacturing method including such a pattern forming method.Type: GrantFiled: December 26, 2017Date of Patent: September 29, 2020Assignee: FUJIFILM CorporationInventors: Wataru Nihashi, Toru Tsuchihashi, Hideaki Tsubaki
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Patent number: 10761426Abstract: 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 using a composition for forming an upper layer film on the actinic ray-sensitive or radiation-sensitive 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 containing an organic solvent, in which the composition for forming an upper layer film includes a resin and at least one of a compound capable of generating an acid with actinic rays or radiation, a compound capable of generating an acid with heat, and an acid, in which the resin includes a repeating unit represented by General Formula (II). The method for manufacturing an electronic device includes the pattern forming method. A laminate includes the film and the upper layer film.Type: GrantFiled: February 26, 2018Date of Patent: September 1, 2020Assignee: FUJIFILM CorporationInventors: Hideaki Tsubaki, Wataru Nihashi, Toru Tsuchihashi, Kei Yamamoto
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Patent number: 10663864Abstract: 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.Type: GrantFiled: February 26, 2018Date of Patent: May 26, 2020Assignee: FUJIFILM CorporationInventors: Wataru Nihashi, Hideaki Tsubaki, Toru Tsuchihashi, Kei Yamamoto
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Patent number: 10599038Abstract: 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.Type: GrantFiled: December 21, 2017Date of Patent: March 24, 2020Assignee: FUJIFILM CorporationInventors: Hideaki Tsubaki, Toru Tsuchihashi, Wataru Nihashi
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Patent number: 10562991Abstract: Provided is a pattern forming method including the successive steps of: a resist film forming step of forming a resist film using an actinic ray-sensitive or radiation-sensitive composition; an exposure step of exposing the resist film; a step of developing the exposed resist film using a developer, and a step of rinsing the developed resist film using a rinsing liquid containing an organic solvent. The developer includes a ketone-based or ether-based solvent having a branched alkyl group. The organic solvent contained in the rinsing liquid includes an ether-based solvent having a branched alkyl group.Type: GrantFiled: December 21, 2017Date of Patent: February 18, 2020Assignee: FUJIFILM CorporationInventors: Hideaki Tsubaki, Toru Tsuchihashi, Wataru Nihashi
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Patent number: 10394127Abstract: Provide are a pattern forming method including a step (1) of forming a film using an actinic ray-sensitive or radiation-sensitive resin composition including a resin having an acid-decomposable repeating unit capable of decomposing by the action of an acid to generate an acid having a pKa of 3.0 or less, a step (2) of exposing the film using actinic rays or radiation, and a step (3) of carrying out development using a developer including an organic solvent after the exposure to form a negative tone pattern; and a method for manufacturing an electronic device, including the pattern forming method.Type: GrantFiled: September 28, 2017Date of Patent: August 27, 2019Assignee: FUJIFILM CorporationInventors: Wataru Nihashi, Hideaki Tsubaki, Toru Tsuchihashi, Tomotaka Tsuchimura
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Patent number: 10126653Abstract: Provided is a method of forming a pattern, ensuring excellent sensitivity, limiting resolving power, roughness characteristic, exposure latitude (EL), dependence on post-exposure bake (PEB) temperature and focus latitude (depth of focus DOF), and a resist composition for use in the method. The method comprises (A) forming a film from a resist composition comprising a resin containing a repeating unit containing a group that is decomposed when acted on by an acid to thereby produce an alcoholic hydroxyl group, which resin thus when acted on by an acid decreases its solubility in a developer containing an organic solvent, (B) exposing the film to light, and (C) developing the exposed film using a developer containing an organic solvent.Type: GrantFiled: February 24, 2011Date of Patent: November 13, 2018Assignee: FUJIFILM CorporationInventors: Kaoru Iwato, Shohei Kataoka, Shinji Tarutani, Sou Kamimura, Keita Kato, Yuichiro Enomoto, Kazuyoshi Mizutani, Toru Tsuchihashi, Kana Fujii
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Publication number: 20180217499Abstract: 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.Type: ApplicationFiled: March 28, 2018Publication date: August 2, 2018Applicant: FUJIFILM CorporationInventors: Shuji HIRANO, Hideaki TSUBAKI, Toru TSUCHIHASHI, Wataru NIHASHI, Kei YAMAMOTO
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Publication number: 20180217503Abstract: 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 an SP value of 16.3 MPa1/2 or less and a second organic solvent having an SP value of 17.1 MPa1/2 or more.Type: ApplicationFiled: March 28, 2018Publication date: August 2, 2018Applicant: FUJIFILM CorporationInventors: Hideaki TSUBAKI, Toru TSUCHIHASHI, Wataru NIHASHI, Kei YAMAMOTO
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Publication number: 20180186907Abstract: Provided is a pattern forming method including the successive steps of: a resist film forming step of forming a resist film using an actinic ray-sensitive or radiation-sensitive composition; an exposure step of exposing the resist film; a step of developing the exposed resist film using a developer, and a step of rinsing the developed resist film using a rinsing liquid containing an organic solvent. The developer includes a ketone-based or ether-based solvent having a branched alkyl group. The organic solvent contained in the rinsing liquid includes an ether-based solvent having a branched alkyl group.Type: ApplicationFiled: December 21, 2017Publication date: July 5, 2018Applicant: FUJIFILM CorporationInventors: Hideaki TSUBAKI, Toru TSUCHIHASHI, Wataru NIHASHI
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Publication number: 20180180996Abstract: 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 using a composition for forming an upper layer film on the actinic ray-sensitive or radiation-sensitive 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 containing an organic solvent, in which the composition for forming an upper layer film includes a resin and at least one of a compound capable of generating an acid with actinic rays or radiation, a compound capable of generating an acid with heat, and an acid, in which the resin includes a repeating unit represented by General Formula (II). The method for manufacturing an electronic device includes the pattern forming method. A laminate includes the film and the upper layer film.Type: ApplicationFiled: February 26, 2018Publication date: June 28, 2018Applicant: FUJIFILM CorporationInventors: Hideaki Tsubaki, Wataru Nihashi, Toru Tsuchihashi, Kei Yamamoto
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Publication number: 20180181003Abstract: 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.Type: ApplicationFiled: February 26, 2018Publication date: June 28, 2018Applicant: FUJIFILM CorporationInventors: Wataru NIHASHI, Hideaki TSUBAKI, Toru TSUCHIHASHI, Kei YAMAMOTO
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Publication number: 20180120708Abstract: 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.Type: ApplicationFiled: December 21, 2017Publication date: May 3, 2018Applicant: FUJIFILM CorporationInventors: Hideaki TSUBAKI, Toru TSUCHIHASHI, Wataru NIHASHI