Patents by Inventor Kazuhiro Marumo

Kazuhiro Marumo 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: 20230067750
    Abstract: An object of the present invention is to provide a pattern forming method using a non-chemically amplified resist composition, which has excellent washing properties in a washing step with an EBR liquid and is less likely to cause a film loss in a non-exposed portion during development using an organic solvent-based developer. Another object of the present invention to provide a method for manufacturing an electronic device using the pattern forming method.
    Type: Application
    Filed: September 26, 2022
    Publication date: March 2, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Kazuhiro MARUMO, Michihiro SHIRAKAWA, Akira TAKADA
  • Patent number: 11584810
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition contains a resin (C) having a repeating unit represented by Formula (1). A pattern forming method includes a step of forming a film with the actinic ray-sensitive or radiation-sensitive resin composition, and a method of manufacturing an electronic device includes the pattern forming method, in Formula (1), Z represents a halogen atom, a group represented by R11OCH2—, or a group represented by R12OC(?O)CH2—. R11 and R12 each represent a monovalent substituent. X represents an oxygen atom or a sulfur atom. L represents a (n+1)-valent linking group. R represents a group having a group that is decomposed due to the action of an alkali developer to increase solubility in an alkali developer, n represents a positive integer.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: February 21, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Akira Takada, Ryo Nishio, Akiyoshi Goto, Michihiro Shirakawa, Naohiro Tango, Kazuhiro Marumo, Kyohei Sakita
  • Patent number: 11579528
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition includes a resin whose solubility in an aqueous alkali solution increases by the action of an acid, a compound that generates an acid upon irradiation with actinic rays or radiation, an ester compound, and a fluorine-containing polymer, in which the ester compound has alkali decomposability and has a molecular weight of 50 or more and less than 1,500.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: February 14, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Ryo Nishio, Akira Takada, Akiyoshi Goto, Naohiro Tango, Kazuhiro Marumo, Keiyu O
  • Publication number: 20220382153
    Abstract: The present invention provides a positive tone resist composition containing (A) an ionic compound and (B) a resin that has a repeating unit (b1) having an interactive group which interacts with an ionic group in the ionic compound and of which a main chain is decomposed by an irradiation with X-rays, electron beam, or extreme ultraviolet rays; a resist film formed of the positive tone resist composition; a pattern forming method; and a method for manufacturing an electronic device.
    Type: Application
    Filed: July 29, 2022
    Publication date: December 1, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Akira TAKADA, Akiyoshi GOTO, Kazunari YAGI, Michihiro SHIRAKAWA, Kazuhiro MARUMO
  • Publication number: 20220334476
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition includes an acid-decomposable resin and a specific compound, in which the specific compound has two or more cationic moieties and the same number of anionic moieties as that of the cationic moieties, and at least one of the cationic moieties has a group represented by General Formula (I).
    Type: Application
    Filed: February 3, 2022
    Publication date: October 20, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Masafumi KOJIMA, Aina Ushiyama, Akiyoshi Goto, Michihiro Shirakawa, Keita Kato, Kazuhiro Marumo, Hironori Oka
  • 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
  • Patent number: 11029597
    Abstract: Provided are a method for producing a pattern laminate, the pattern laminate having a first layer having a pattern on an object to be processed and a second layer, which has a small waviness after etching (?LWR), in which the method includes a step of forming a first layer having a pattern on an object to be processed and a step of forming a second layer on the first layer, and the glass transition temperature of the first layer is 90° C. or higher; a method for producing a reversal pattern; and a pattern laminate.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: June 8, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Yuichiro Goto, Kazuhiro Marumo
  • 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
  • Publication number: 20200183274
    Abstract: A photosensitive resin composition includes a resin, a photoacid generator, a solvent, and a low-molecular-weight ester compound, in which low-molecular-weight ester compound has alkali degradability and has a molecular weight of less than 1,500, and a content of the low-molecular-weight ester compound is from 0.1% by mass to 6% by mass with respect to the total solid content of the composition.
    Type: Application
    Filed: February 6, 2020
    Publication date: June 11, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Naohiro TANGO, Akiyoshi GOTO, Keiyu O, Kazuhiro Marumo, Ryo NISHIO, Akira TAKADA
  • Publication number: 20200183279
    Abstract: A photosensitive resin composition includes a resin having a constitutional unit having an acid-decomposable group, a photoacid generator, a solvent, and a compound represented by Formula D. In Formula D, XD represents an O atom or an S atom, R1D represents a hydrogen atom, a hydrocarbon group, an acyl group, an acyloxy group, or an alkoxycarbonyl group, R2D represents a substituent, nD represents an integer from 0 to 4, and two or more of R2D's may be bonded to each other to form a ring.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 11, 2020
    Applicant: FUJI FILM Corporation
    Inventors: Kazuhiro MARUMO, Naohiro TANGO, Ryo NISHIO, Akira TAKADA
  • Publication number: 20200159117
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition includes a resin whose solubility in an aqueous alkali solution increases by the action of an acid, a compound that generates an acid upon irradiation with actinic rays or radiation, an ester compound, and a fluorine-containing polymer, in which the ester compound has alkali decomposability and has a molecular weight of 50 or more and less than 1,500.
    Type: Application
    Filed: January 21, 2020
    Publication date: May 21, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Ryo NISHIO, Akira Takada, Akiyoshi Goto, Naohiro Tango, Kazuhiro Marumo, Keiyu O
  • Publication number: 20190204736
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition is an actinic ray-sensitive or radiation-sensitive resin composition including a resin A whose solubility in an alkali developer increases by the action of an acid, a compound B that generates an acid upon irradiation with actinic rays or radiation, a resin C that has a surface energy of more than 25 mJ/m2 and has at least one of a fluorine atom or a silicon atom and a polarity conversion group, and a resin D that has a surface energy of 25 mJ/m2 or less, in which the content of the resin D is 1.1% by mass or more with respect to the total solid content of the actinic ray-sensitive or radiation-sensitive resin composition.
    Type: Application
    Filed: March 11, 2019
    Publication date: July 4, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Kazuhiro MARUMO, Naohiro TANGO
  • Publication number: 20190171104
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition contains a resin (C) having a repeating unit represented by Formula (I), A pattern forming method includes a step of forming a film with the actinic ray-sensitive or radiation-sensitive resin composition, and a method of manufacturing an electronic device includes the pattern forming method, in Formula (I), Z represents a halogen atom, a group represented by R11OCH2—, or a group represented by R12OC(?O)CH2—. R11 and R12 each represent a monovalent substituent. X represents an oxygen atom or a sulfur atom. L represents a (n+1)-valent linking group. R represents a group having a group that is decomposed due to the action of an alkali developer to increase solubility in an alkali developer, n represents a positive integer.
    Type: Application
    Filed: February 4, 2019
    Publication date: June 6, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Akira Takada, Ryo Nishio, Akiyoshi Goto, Michihiro Shirakawa, Naohiro Tango, Kazuhiro Marumo, Kyohei Sakita
  • Publication number: 20180364566
    Abstract: Provided are a method for producing a pattern laminate, the pattern laminate having a first layer having a pattern on an object to be processed and a second layer, which has a small waviness after etching (?LWR), in which the method includes a step of forming a first layer having a pattern on an object to be processed and a step of forming a second layer on the first layer, and the glass transition temperature of the first layer is 90° C. or higher; a method for producing a reversal pattern; and a pattern laminate.
    Type: Application
    Filed: August 24, 2018
    Publication date: December 20, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Yuichiro GOTO, Kazuhiro MARUMO
  • Publication number: 20180037688
    Abstract: Provided are a curable composition for imprints which is capable of both improving releasability and suppressing occurrence of waviness during etching, as well as a cured product, a pattern forming method, a lithography method, a pattern, and a lithography mask, each of which uses the curable composition for imprints. The curable composition for imprints includes a monofunctional polymerizable compound, a polyfunctional polymerizable compound containing at least one of an alicyclic structure or an aromatic ring structure and having a viscosity at 25° C. of 150 mPa·s or less, and a photopolymerization initiator, in which the monofunctional polymerizable compound is contained in an amount of 5 to 30 mass % with respect to the total polymerizable compound in the curable composition for imprints, and the cured film of the curable composition for imprints has a modulus of elasticity of 3.5 GPa or less and a glass transition temperature of 90° C. or higher.
    Type: Application
    Filed: September 13, 2017
    Publication date: February 8, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Yuichiro GOTO, Kazuhiro MARUMO, Hirotaka KITAGAWA, Tadashi OOMATSU
  • Patent number: 5236566
    Abstract: The present invention relates to a vertical type stream plating apparatus for plating the surface of a metal strip with tin, chromium, copper or the like. Fundamentally, the apparatus comprises an electrolyte feeding nozzle for feeding an electrolyte into a space between electrodes, a side seal provided on both sides in the widthwise direction of the electrode and a pressure equalizing chamber provided on the backside of the electrode. The apparatus further comprises a electrode having a plurality of through holes communicating with the pressure equalizing chamber provided in an electrode box, waste electrolyte equipment provided with a waste electrolyte box for gathering and discharging the electrolyte and a seal equipment provided at the lowermost portion of the apparatus for preventing the outflow of the electrolyte.
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: August 17, 1993
    Assignees: Nippon Steel Corporation, Nittetsu Plant Designing Corp.
    Inventors: Kiyohide Tsuchiya, Michihiro Shimamura, Katsuaki Nakagawa, Shuji Masuda, Kazuhiro Marumo, Tadashi Ogata