Patents by Inventor Keiyu OU

Keiyu OU 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).

  • Publication number: 20220107561
    Abstract: A method for producing an actinic ray-sensitive or radiation-sensitive resin composition of an embodiment of the present invention is a method for producing an actinic ray-sensitive or radiation-sensitive resin composition including at least a resin having a polarity that increases due to decomposition by the action of an acid, a compound that generates an acid upon irradiation with actinic rays or radiation, and a solvent, in which the compound that generates an acid upon irradiation with actinic rays or radiation includes one or more compounds selected from the group consisting of a compound (I) to (III) below, and the actinic ray-sensitive or radiation-sensitive resin composition is produced by mixing a first solution including the resin having a polarity that increases by the action of an acid and a first solvent with the one or more compounds selected from the group consisting of the compound (I) to (III).
    Type: Application
    Filed: December 13, 2021
    Publication date: April 7, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Keiyu OU, Naohiro TANGO, Kei YAMAMOTO, Kazuhiro MARUMO
  • Publication number: 20210294217
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition includes an acid-decomposable resin and a compound that generates an acid upon irradiation with actinic rays or radiation, in which the compound that generates an acid upon irradiation with actinic rays or radiation includes one or more selected from the group consisting of a compound (I) to a compound (III), and one or more selected from the group consisting of a compound represented by General Formula (1) and a compound represented by General Formula (2).
    Type: Application
    Filed: May 14, 2021
    Publication date: September 23, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Akiyoshi Goto, Masafumi Kojima, Minoru Uemura, Kei Yamamoto, Yasuharu Shiraishi, Keiyu Ou
  • Publication number: 20210271162
    Abstract: An object of the present invention is to provide an actinic ray-sensitive or radiation-sensitive resin composition, in which the cross-sectional shape of a pattern thus formed has excellent rectangularity and a dimensional variation of the line width of the pattern thus formed hardly occurs even over time after preparation. Furthermore, another object of the present invention is to provide a resist film, a pattern forming method, and a method for manufacturing an electronic device, each using the actinic ray-sensitive or radiation-sensitive resin composition. The actinic ray-sensitive or radiation-sensitive resin composition of an embodiment of the present invention includes a resin having a polarity that increases through decomposition by an action of an acid, a compound that generates an acid upon irradiation with actinic rays or radiation, and a halogen-based solvent, in which a content of the halogen-based solvent is from 1 ppb by mass to 50 ppm by mass with respect to a total mass of the composition.
    Type: Application
    Filed: May 7, 2021
    Publication date: September 2, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Keiyu OU, Naohiro Tango, Hidenori Takahashi, Akiyoshi Goto, Takeshi Kawabata, Tsutomu Yoshimura
  • Patent number: 11073762
    Abstract: Provided are an actinic ray-sensitive or radiation-sensitive resin composition which contains (A) a photoacid generator that generates an acid having a pKa of ?1.40 or more upon irradiation with actinic rays or radiation, and (B) a resin having a repeating unit containing an acid-decomposable group, in which an Eth sensitivity of the repeating unit containing an acid-decomposable group is 5.64 or less, and which can provide very excellent roughness performance, exposure latitude, and depth of focus, particularly, in the formation of an ultrafine pattern; a photoacid generator; and an actinic ray-sensitive or radiation-sensitive film, a pattern forming method, and a method for manufacturing an electronic device, each using the actinic ray-sensitive or radiation-sensitive resin composition.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: July 27, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Daisuke Asakawa, Akiyoshi Goto, Masafumi Kojima, Keita Kato, Keiyu Ou, Kyohei Sakita
  • Publication number: 20210088905
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition includes a photoacid generator A that generates an acid represented by General Formula (I), the acid having a pKa of ?1.00 or more; one or more selected from the group consisting of a photoacid generator B that generates an acid having a pKa larger than that of an acid generated from the photoacid generator A by 1.00 or more, and a nitrogen-containing compound C having a pKa of a conjugate acid thereof larger than that of the acid generated from the photoacid generator A by 1.00 or more; and an acid-decomposable resin, in which in a case where the actinic ray-sensitive or radiation-sensitive resin composition includes a photoacid generator D that generates an acid having a pKa of less than ?1.00, a ratio of the number of moles of the photoacid generator A to the number of moles of the photoacid generator D in the composition, is 1.0 or more.
    Type: Application
    Filed: November 29, 2020
    Publication date: March 25, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Masafumi KOJIMA, Minoru UEMURA, Takashi KAWASHIMA, Akiyoshi GOTO, Kei YAMAMOTO, Kazuhiro MARUMO, Keiyu OU
  • Patent number: 10859914
    Abstract: A method for producing an electronic device includes the pattern forming method, and an actinic ray-sensitive or radiation-sensitive resin composition for organic solvent development. Specifically, provided is a pattern forming method, including a film forming step of forming a film by an actinic ray-sensitive or radiation-sensitive resin composition, an exposure step of irradiating the film, and a development step of developing the film using a developer containing an organic solvent, in which the composition contains a resin containing a repeating unit having an Si atom and a repeating unit having an acid-decomposable group and a compound capable of generating an acid upon irradiation with actinic rays or radiation, the content of Si atoms in the resin is 1.0 to 30 mass %, and the content of the resin in the total solid content of the composition is 20 mass % or more.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: December 8, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Naoya Hatakeyama, Akiyoshi Goto, Michihiro Shirakawa, Keita Kato, Keiyu Ou
  • Patent number: 10649329
    Abstract: An active-light-sensitive or radiation-sensitive resin composition includes a basic compound (A) corresponding to at least one of the following basic compound (A1) or (A2): (A1) a nonionic compound having an alicyclic structure (a1) and a basic site (b2) at a site different from the alicyclic structure within one molecule, or (A2) a nonionic compound having a heterocyclic structure (a2) having no basicity and a basic site (b2) at a site different from the heterocyclic structure within one molecule.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: May 12, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Shohei Kataoka, Akinori Shibuya, Keiyu Ou
  • Publication number: 20190294043
    Abstract: Provided are an actinic ray-sensitive or radiation-sensitive resin composition which contains (A) a photoacid generator that generates an acid having a pKa of ?1.40 or more upon irradiation with actinic rays or radiation, and (B) a resin having a repeating unit containing an acid-decomposable group, in which an Eth sensitivity of the repeating unit containing an acid-decomposable group is 5.64 or less, and which can provide very excellent roughness performance, exposure latitude, and depth of focus, particularly, in the formation of an ultrafine pattern; a photoacid generator; and an actinic ray-sensitive or radiation-sensitive film, a pattern forming method, and a method for manufacturing an electronic device, each using the actinic ray-sensitive or radiation-sensitive resin composition.
    Type: Application
    Filed: June 5, 2019
    Publication date: September 26, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Daisuke Asakawa, Akiyoshi Goto, Masafumi Kojima, Keita Kato, Keiyu Ou, Kyohei Sakita
  • Publication number: 20190196326
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition contains a compound that generates an acid represented by Formula (I) by irradiation with an actinic ray or radiation, and a resin. The resist film is formed of the actinic ray-sensitive or radiation-sensitive resin composition. In the pattern forming method and the method of manufacturing an electronic device, the actinic ray-sensitive or radiation-sensitive resin composition is used.
    Type: Application
    Filed: February 27, 2019
    Publication date: June 27, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Masafumi KOJIMA, Daisuke ASAKAWA, Akiyoshi GOTO, Keita KATO, Keiyu OU
  • Publication number: 20180292751
    Abstract: The present invention has an object to provide an actinic ray-sensitive or radiation-sensitive resin composition having excellent collapse performance, an actinic ray-sensitive or radiation-sensitive film formed using the composition, a pattern forming method using the composition, and a method for manufacturing an electronic device, including the pattern forming method. The actinic ray-sensitive or radiation-sensitive resin composition of the present invention is an actinic ray-sensitive or radiation-sensitive resin composition containing a resin whose solubility with respect to a developer changes by the action of an acid, in which the resin includes a repeating unit derived from a monomer having at least one of a lactone structure or an amide structure, and the dissolution parameter of the monomer is 24.0 or more.
    Type: Application
    Filed: June 13, 2018
    Publication date: October 11, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Daisuke ASAKAWA, Akiyoshi GOTO, Yasunori YONEKUTA, Naoya HATAKEYAMA, Michihiro SHIRAKAWA, Keiyu OU
  • Patent number: 10025186
    Abstract: The present invention has an object to provide an active-light-sensitive or radiation-sensitive resin composition having high DOF and low LWR; a pattern forming method using the composition; and a method for manufacturing an electronic device. The active-light-sensitive or radiation-sensitive resin composition of the present invention includes a resin P and a compound that generates an acid upon irradiation with active light or radiation, in which the resin P has a repeating unit p1 and a repeating unit p2 represented by specific formulae, and the repeating unit p2 does not have a group in which a hydroxy group of a hydroxyadamantyl group is protected with a group that decomposes by the action of an acid to leave.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: July 17, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Akiyoshi Goto, Masafumi Kojima, Keita Kato, Keiyu Ou, Michihiro Shirakawa
  • Publication number: 20180120706
    Abstract: Provided are a pattern forming method including (1) a step of forming a resist underlayer film on a substrate to be processed, (2) a step of forming a resist film on the resist underlayer film, using a resist composition containing (A) a resin having a repeating unit containing a Si atom, and (B) a compound which generates an acid upon irradiation with actinic rays or radiation, (3) a step of exposing the resist film, (4) a step of developing the exposed resist film using a developer including an organic solvent, thereby forming a negative tone resist pattern, and (5) a step of processing the resist underlayer film and the substrate to be processed, using the resist pattern as a mask, thereby forming a pattern, in which the content of the resin (A) is 20% by mass or more with respect to the total solid content of the resist composition.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 3, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Michihiro SHIRAKAWA, Keiyu OU, Naoya HATAKEYAMA, Akiyoshi GOTO, Keita KATO, Takashi YAKUSHIJI, Tadashi OMATSU
  • Patent number: 9952509
    Abstract: The present invention relates to a pattern forming method including: forming a film using an actinic ray-sensitive or radiation-sensitive resin composition that includes a (A) resin which has an increase in the polarity by the action of an acid, and thus, has a decrease in the solubility in a developer containing an organic solvent, a (B) compound capable of generating an acid upon irradiation with specific actinic ray or radiation, and a (C) solvent, exposing the film, and developing the exposed film using a developer including an organic solvent, in which the resin (A) has a structure in which a polar group is protected with a leaving group which decomposes to leave by the action of an acid, and the leaving group is a group represented by the following General Formula (I).
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: April 24, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Keita Kato, Keiyu Ou, Michihiro Shirakawa, Akiyoshi Goto, Masafumi Kojima
  • Publication number: 20170322490
    Abstract: A method for producing an electronic device includes the pattern forming method, and an actinic ray-sensitive or radiation-sensitive resin composition for organic solvent development. Specifically, provided is a pattern forming method, including a film forming step of forming a film by an actinic ray-sensitive or radiation-sensitive resin composition, an exposure step of irradiating the film, and a development step of developing the film using a developer containing an organic solvent, in which the composition contains a resin containing a repeating unit having an Si atom and a repeating unit having an acid-decomposable group and a compound capable of generating an acid upon irradiation with actinic rays or radiation, the content of Si atoms in the resin is 1.0 to 30 mass %, and the content of the resin in the total solid content of the composition is 20 mass % or more.
    Type: Application
    Filed: July 24, 2017
    Publication date: November 9, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Naoya HATAKEYAMA, Akiyoshi GOTO, Michihiro SHIRAKAWA, Keita KATO, Keiyu OU
  • Patent number: 9791777
    Abstract: The actinic ray-sensitive or radiation-sensitive resin composition of the present invention contains a resin (P) including a repeating unit (i) having a group which decomposes by the action of an acid represented by the following General Formula (1), a pattern forming method using the composition, a method for manufacturing an electronic device, and an electronic device.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: October 17, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Akiyoshi Goto, Masafumi Kojima, Michihiro Shirakawa, Keita Kato, Keiyu Ou
  • Publication number: 20170199455
    Abstract: The present invention has an object to provide a method for forming a negative tone pattern in which DOF of a resist composition used is high and shrinkage of a film in post exposure bake is suppressed; a method for manufacturing an electronic device including the pattern forming method; and an active-light-sensitive or radiation-sensitive resin composition.
    Type: Application
    Filed: March 27, 2017
    Publication date: July 13, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Masafumi KOJIMA, Akiyoshi GOTO, Akinori SHIBUYA, Keita KATO, Keiyu OU
  • Publication number: 20170192355
    Abstract: The present invention has an object to provide a method for forming a negative tone pattern in which shrinkage of a film in post exposure bake is suppressed; a method for manufacturing an electronic device including the pattern forming method; and an active-light-sensitive or radiation-sensitive resin composition.
    Type: Application
    Filed: March 23, 2017
    Publication date: July 6, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Masafumi KOJIMA, Akiyoshi GOTO, Akinori SHIBUYA, Keita KATO, Keiyu OU
  • Publication number: 20170168394
    Abstract: The present invention has an object to provide an active-light-sensitive or radiation-sensitive resin composition having high DOF and low LWR; a pattern forming method using the composition; and a method for manufacturing an electronic device. The active-light-sensitive or radiation-sensitive resin composition of the present invention includes a resin P and a compound that generates an acid upon irradiation with active light or radiation, in which the resin P has a repeating unit p1 and a repeating unit p2 represented by specific formulae, and the repeating unit p2 does not have a group in which a hydroxy group of a hydroxyadamantyl group is protected with a group that decomposes by the action of an acid to leave.
    Type: Application
    Filed: February 28, 2017
    Publication date: June 15, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Akiyoshi GOTO, Masafumi KOJIMA, Keita KATO, Keiyu OU, Michihiro SHIRAKAWA
  • Publication number: 20170115571
    Abstract: A pattern forming method includes (A) a step of forming a first resist film on a substrate by using a first resist composition, (B) a step of exposing the first resist film, (C) a step of forming a first pattern by developing the exposed first resist film, (D) a step of forming a planarization layer on the substrate provided with the first pattern by using composition for forming a planarization layer (a), (E) a step of forming a second resist film on the planarization layer by using a second resist composition, (F) a step of exposing the second resist film, and (G) a step of forming a second pattern by developing the exposed second resist film in this order, in which the first pattern is insoluble in the composition for forming the planarization layer (a), and a method for manufacturing an electronic device using the pattern forming method.
    Type: Application
    Filed: January 9, 2017
    Publication date: April 27, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Keita KATO, Keiyu OU, Michihiro SHIRAKAWA, Akiyoshi GOTO
  • Publication number: 20170097565
    Abstract: An active-light-sensitive or radiation-sensitive resin composition includes a basic compound (A) corresponding to at least one of the following basic compound (A1) or (A2): (A1) a nonionic compound having an alicyclic structure (a1) and a basic site (b2) at a site different from the alicyclic structure within one molecule, or (A2) a nonionic compound having a heterocyclic structure (a2) having no basicity and a basic site (b2) at a site different from the heterocyclic structure within one molecule.
    Type: Application
    Filed: December 20, 2016
    Publication date: April 6, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Shohei KATAOKA, Akinori SHIBUYA, Keiyu OU