Patents by Inventor Tasuku Matsumiya

Tasuku Matsumiya 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).

  • Patent number: 11835857
    Abstract: A resist composition that contains a base material component (A), a first acid generator, and a second acid generator, the first acid generator is a compound represented by General Formula (b1), the second acid generator is a compound (B2) having an anion moiety having a molar volume of 250 cm3/mol or less, and the molar volume of the anion moiety of the compound (B2) is smaller than the molar volume of the anion moiety of the compound (B1). In the formula, Rb0 represents a specific condensed cyclic group, Yb0 represents a divalent linking group, Vb0 represents a single bond, Rc1 represents an aryl group having an electron-withdrawing group, Rc2 and Rc3 each independently represent an aryl group or are bonded to each other to form a ring together with a sulfur atom in the formula.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: December 5, 2023
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Yuta Iwasawa, Yosuke Suzuki, Tasuku Matsumiya
  • Publication number: 20220121118
    Abstract: A resist composition containing a resin component (A1) having a constitutional unit (a01) derived from a compound represented by General Formula (a0-1) and containing a compound (D0) represented by General Formula (d0), W01 represents a polymerizable group-containing group, Ya01 represents a single bond or the like, Rx01 represents an acid dissociable group, Mm+ represents an m-valent organic cation, and Rd0 represents a substituent
    Type: Application
    Filed: October 6, 2021
    Publication date: April 21, 2022
    Inventors: Masahito YAHAGI, Tasuku MATSUMIYA, Yosuke SUZUKI, Yuta IWASAWA, Takahiro KOJIMA, Koshi ONISHI
  • Publication number: 20210405527
    Abstract: A resist composition that contains a base material component (A), a first acid generator, and a second acid generator, the first acid generator is a compound represented by General Formula (b1), the second acid generator is a compound (B2) having an anion moiety having a molar volume of 250 cm3/mol or less, and the molar volume of the anion moiety of the compound (B2) is smaller than the molar volume of the anion moiety of the compound (B1).
    Type: Application
    Filed: June 23, 2021
    Publication date: December 30, 2021
    Inventors: Yuta IWASAWA, Yosuke SUZUKI, Tasuku MATSUMIYA
  • Publication number: 20210003918
    Abstract: A resist composition containing a polymer compound having a constitutional unit (a01) represented by Formula (a01), and a fluororesin component having a constitutional unit (f10) represented by Formula (f1-01) or (f1-02), in which the constitutional unit (a01) is a constitutional unit which contains a specific acid dissociable group (a01-r-1) containing an aliphatic cyclic group and an aromatic cyclic group; in Formulae (f1-01) and (f1-02), R represents a hydrogen atom, at least one of Raf01 and Raf02 and at least one of Raf03 and Raf04 represent a hydrocarbon group substituted with a fluorine atom, and the total number of fluorine atoms is 3 or greater.
    Type: Application
    Filed: June 2, 2020
    Publication date: January 7, 2021
    Inventors: Yuki FUKUMURA, Tasuku MATSUMIYA, Tatsuya FUJII
  • Patent number: 10179866
    Abstract: A resin composition for forming a phase-separated structure, including: a block copolymer, and an ion liquid containing a compound (IL) having a cation moiety and an anion moiety, the cation moiety of the compound (IL) having a dipole moment of 3 debye or more.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: January 15, 2019
    Assignees: TOKYO OHKA KOGYO CO., LTD., THE UNIVERSITY OF CHICAGO
    Inventors: Akiya Kawaue, Takehiro Seshimo, Takaya Maehashi, Tasuku Matsumiya, Ken Miyagi, Hitoshi Yamano, Xuanxuan Chen, Paul Franklin Nealey
  • Patent number: 10101660
    Abstract: In a method of forming patterns, an object layer is formed on a substrate. Guide patterns are formed on the object layer. A brush layer is formed using a brush polymer on surfaces of the guide patterns. The brush polymer includes at least one of a first brush polymer and a second brush polymer. The first brush polymer includes a hydrophobic repeating unit and a hydrophilic terminal group having at least two hydroxyl groups. The second brush polymer includes a hydrophobic repeating unit and a hydrophilic random repeating unit having a hydroxyl group. A self-aligned layer is formed using a block copolymer on the brush layer to form blocks aligned around the guide patterns. At least a portion of the blocks is transferred to the object layer.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: October 16, 2018
    Assignees: Samsung Electronics Co., Ltd., Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Jeong-Ju Park, Seung-Chul Kwon, Eun-Sung Kim, Kyeong-Mi Lee, Shi-Yong Yi, Tsuyosh Kurosawa, Katsumi Ohmori, Tasuku Matsumiya
  • Patent number: 10100221
    Abstract: A method of forming a structure containing a phase-separated structure, the method including applying a block copolymer composition including an organic solvent component (S) and a block copolymer in which a block of polystyrene or a polystyrene derivative is bonded to at least one kind of block to a substrate to form a layer containing the block copolymer; and phase-separating the layer containing the block. The value of an interaction distance RaPS(MPa1/2) between the Hansen solubility parameter of the organic solvent component (S) and the Hansen solubility parameter of polystyrene or the polystyrene derivative satisfying the following formula (1). 4.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: October 16, 2018
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Hitoshi Yamano, Tasuku Matsumiya, Tsuyoshi Kurosawa, Taku Hirayama, Ken Miyagi, Katsumi Ohmori
  • Patent number: 10066096
    Abstract: A method of producing a structure containing a phase-separated structure, which includes mixing a block copolymer which includes a hydrophobic polymer block and a hydrophilic polymer block and is incapable of forming a phase-separated structure, with a homopolymer compatible with the hydrophilic polymer block or a homopolymer compatible with the hydrophobic polymer block.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: September 4, 2018
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tsuyoshi Kurosawa, Tasuku Matsumiya, Masahito Yahagi, Hitoshi Yamano, Ken Miyagi, Daiju Shiono, Taku Hirayama, Katsumi Ohmori
  • Publication number: 20180171172
    Abstract: A resin composition for forming a phase-separated structure includes a block copolymer in which a hydrophilic block and a hydrophobic block are bonded to each other, and a solvent component (S) containing an organic solvent (S1) having a boiling point of 200° C. or higher.
    Type: Application
    Filed: December 15, 2017
    Publication date: June 21, 2018
    Inventors: Hitoshi YAMANO, Takahiro DAZAI, Tasuku MATSUMIYA
  • Patent number: 9914847
    Abstract: A resin composition for forming a phase-separated structure, including: a block copolymer, and an ion liquid containing a compound (IL) having a cation moiety and an anion moiety, the energy of the LUMO of the cation moiety being ?4.5 eV or more, and the energy difference between the LUMO and the HOMO of the cation moiety being 10.0 ev or more, or the Log P value of the anion moiety being 1 to 3.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: March 13, 2018
    Assignees: TOKYO OHKA KOGYO CO., LTD., THE UNIVERSITY OF CHICAGO
    Inventors: Akiya Kawaue, Takehiro Seshimo, Takaya Maehashi, Tasuku Matsumiya, Ken Miyagi, Hitoshi Yamano, Xuanxuan Chen, Paul Franklin Nealey
  • Publication number: 20170362460
    Abstract: A resin composition for forming a phase-separated structure, including: a block copolymer, and an ion liquid containing a compound (IL) having a cation moiety and an anion moiety, the energy of the LUMO of the cation moiety being ?4.5 eV or more, and the energy difference between the LUMO and the HOMO of the cation moiety being 10.0 ev or more, or the Log P value of the anion moiety being 1 to 3.
    Type: Application
    Filed: June 17, 2016
    Publication date: December 21, 2017
    Inventors: Akiya KAWAUE, Takehiro SESHIMO, Takaya MAEHASHI, Tasuku MATSUMIYA, Ken MIYAGI, Hitoshi YAMANO, Xuanxuan CHEN, Paul Franklin NEALEY
  • Patent number: 9834696
    Abstract: An undercoat agent including a block copolymer having a plurality of blocks bonded formed on a substrate. The undercoat agent contains a resin component that includes a structural unit having an aromatic ring and a structural unit having no aromatic ring, and the resin component includes a group which can interact with the substrate and does not include a 3 to 7-membered, ether-containing cyclic group; and a method of forming a pattern of a layer containing a block copolymer. The method includes applying an undercoat agent to a substrate to form a layer containing the undercoat agent; forming a layer containing a block copolymer having multiple blocks bonded on a surface of the layer containing the undercoat agent, followed by a phase separation of the layer containing the block copolymer; and selectively removing a phase containing at least one block of multiple blocks constituting the block copolymer.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: December 5, 2017
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Takahiro Senzaki, Ken Miyagi, Tsuyoshi Kurosawa, Daiju Shiono, Tasuku Matsumiya, Kenichiro Miyashita, Katsumi Ohmori
  • Patent number: 9828519
    Abstract: A resin composition for forming a phase-separated structure, including a block copolymer, and an ion liquid containing a compound having a cation moiety and an anion moiety, the anion moiety being represented by general formula (a1), (a2) or (a3), in which X? represents an alkylene group of 2 to 6 carbon atoms in which at least one hydrogen atom is substituted with a fluorine atom; Y? and Z? each independently represents an alkyl group of 1 to 10 carbon atoms in which at least one hydrogen atom is substituted with a fluorine atom; R? represents an alkyl group of 1 to 5 carbon atoms in which at least one hydrogen atom is optionally substituted with a fluorine atom, m represents an integer of 1 to 6, and n represents an integer of 0 to 5, provided that m+n=6.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: November 28, 2017
    Assignees: TOKYO OHKA KOGYO CO., LTD., THE UNIVERSITY OF CHICAGO
    Inventors: Akiya Kawaue, Takehiro Seshimo, Takaya Maehashi, Tasuku Matsumiya, Ken Miyagi, Hitoshi Yamano, Xuanxuan Chen, Paul Franklin Nealey
  • Patent number: 9821338
    Abstract: A brush composition used for phase-separation of a layer containing a block copolymer on a substrate, the brush composition including a resin component (N), the resin component (N) containing a hydrophobic structural unit (Nx) and a hydrophilic structural unit (Ny), the amount of the structural unit (Ny) within the resin component (N) being 5 mol % or less.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: November 21, 2017
    Assignee: TOKYO OHKA KOGYO., LTD.
    Inventors: Hitoshi Yamano, Tasuku Matsumiya, Masahito Yahagi, Tsuyoshi Kurosawa, Ken Miyagi
  • Patent number: 9816003
    Abstract: A method of forming a structure containing a phase-separated structure, the method including applying a block copolymer solution to a substrate to form a layer containing a block copolymer and having a film thickness of less than 100 nm; and phase-separating the layer containing the block copolymer, a solvent of the block copolymer solution comprising a poor solvent exhibiting a poor solubility for a homopolymer A of one of the blocks of the block copolymer.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: November 14, 2017
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tsuyoshi Kurosawa, Daiju Shiono, Ken Miyagi, Tasuku Matsumiya, Hitoshi Yamano, Taku Hirayama, Katsumi Ohmori
  • Patent number: 9776208
    Abstract: A brush composition used for phase-separation of a layer containing a block copolymer having plural kinds of blocks bonded formed on a substrate, the brush composition including a resin component, the resin component having a structural unit (u1) represented by genera formula (u1-1), and having a hydroxy group on at least one terminal portion of the main chain thereof: in formula (u1-1), R represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a halogenated alkyl group of 1 to 5 carbon atoms; R1 represents a halogen atom, or a linear, branched or cyclic hydrocarbon group of 1 to 20 carbon atoms optionally containing an oxygen atom, a halogen atom or a silicon atom, or a combination of the linear, branched or cyclic hydrocarbon group; and p represents an integer of 1 to 5.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: October 3, 2017
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Masahito Yahagi, Takaya Maehashi, Akiya Kawaue, Issei Suzuki, Tasuku Matsumiya, Tsuyoshi Kurosawa, Hitoshi Yamano
  • Publication number: 20170240767
    Abstract: A resin composition for forming a phase-separated structure, including a block copolymer, and an ion liquid containing a compound having a cation moiety and an anion moiety, the anion moiety being represented by general formula (a1), (a2) or (a3), in which X? represents an alkylene group of 2 to 6 carbon atoms in which at least one hydrogen atom is substituted with a fluorine atom; Y? and Z? each independently represents an alkyl group of 1 to 10 carbon atoms in which at least one hydrogen atom is substituted with a fluorine atom; R? represents an alkyl group of 1 to 5 carbon atoms in which at least one hydrogen atom is optionally substituted with a fluorine atom, m represents an integer of 1 to 6, and n represents an integer of 0 to 5, provided that m+n=6.
    Type: Application
    Filed: February 18, 2016
    Publication date: August 24, 2017
    Inventors: Akiya KAWAUE, Takehiro SESHIMO, Takaya MAEHASHI, Tasuku MATSUMIYA, Ken MIYAGI, Hitoshi YAMANO, Xuanxuan CHEN, Paul Franklin NEALEY
  • Publication number: 20170240766
    Abstract: A resin composition for forming a phase-separated structure, including: a block copolymer, and an ion liquid containing a compound (IL) having a cation moiety and an anion moiety, the cation moiety of the compound (IL) having a dipole moment of 3 debye or more.
    Type: Application
    Filed: February 18, 2016
    Publication date: August 24, 2017
    Inventors: Akiya KAWAUE, Takehiro SESHIMO, Takaya MAEHASHI, Tasuku MATSUMIYA, Ken MIYAGI, Hitoshi YAMANO, Xuanxuan CHEN, Paul Franklin NEALEY
  • Publication number: 20170129972
    Abstract: In a method of forming patterns, an object layer is formed on a substrate. Guide patterns are formed on the object layer. A brush layer is formed using a brush polymer on surfaces of the guide patterns. The brush polymer includes at least one of a first brush polymer and a second brush polymer. The first brush polymer includes a hydrophobic repeating unit and a hydrophilic terminal group having at least two hydroxyl groups. The second brush polymer includes a hydrophobic repeating unit and a hydrophilic random repeating unit having a hydroxyl group. A self-aligned layer is formed using a block copolymer on the brush layer to form blocks aligned around the guide patterns. At least a portion of the blocks is transferred to the object layer.
    Type: Application
    Filed: November 8, 2016
    Publication date: May 11, 2017
    Inventors: Jeong-Ju PARK, Seung-Chul KWON, Eun-Sung KIM, Kyeong-Mi LEE, Shi-Yong YI, Tsuyosh KUROSAWA, Katsumi OHMORI, Tasuku MATSUMIYA
  • Patent number: 9567477
    Abstract: An undercoat agent used for phase separating a layer containing a block copolymer having a block of a structural unit derived from an (?-substituted) acrylate ester on a substrate, and which contains a resin component including a structural unit represented by formula (ba0-1), and/or a structural unit represented by formula (ba0-2), and a structural unit (ba0-3) having a substrate interacting group, wherein R represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a halogenated alkyl group of 1 to 5 carbon atoms, R1 and R2 represent a halogen atom or an organic group of 1 to 20 carbon atoms which may contain an oxygen atom, a halogen atom, or a silicon atom, and n is 1 to 5.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: February 14, 2017
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Takehiro Seshimo, Tasuku Matsumiya, Takaya Maehashi, Takahiro Dazai, Yoshiyuki Utsumi