Patents Assigned to Tokyo Ohka Kogyo Co., Ltd.
  • Patent number: 11120994
    Abstract: A SiGe compound etching solution for selectively etching a compound represented by general formula Si1-xGex (provided that x is 0 or more and less than 1) relative to Si, Ge and an oxide thereof, the SiGe compound etching solution including periodic acid and fluoride.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: September 14, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Yukihisa Wada, Mai Sugawara, Takuya Ohhashi
  • Patent number: 11119410
    Abstract: A metal resist cleaning liquid including a solvent, an organic acid, and a compound (B) represented by general formula (b-1) shown below (In the formula, Rb1 and Rb2 each independently represents an alkyl group having 1 to 3 carbon atoms; Rb3 and Rb4 each independently represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; Yb1 represents a single bond, —O—, —S— or —N(Rb5)—; Rb5 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; Yb2 represents —O—, —S— or —N(Rb6)—; Rb6 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; and n represents an integer of 0 to 3).
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: September 14, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Tomoya Kumagai, Takahiro Akiyoshi
  • Patent number: 11120993
    Abstract: A diffusing agent composition that can form a coating film in which the unevenness thereof is lowered, which is uniform and which has excellent stability, and a method of manufacturing a semiconductor substrate in which an impurity diffusing component is diffused into the semiconductor substrate from the coating film formed of the diffusing agent composition. An aliphatic amine which satisfies predetermined conditions is contained as an aliphatic amine compound in a diffusing agent composition including an impurity diffusing component. When the number of primary amino groups included in the amine compound is NA, the number of secondary amino groups included in the compound is NB, and the number of tertiary amino groups included in the amine compound is NC, NA, NB and NC satisfy predetermined formulas.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: September 14, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Keisuke Kubo, Yoshihiro Sawada, Shunichi Mashita
  • Patent number: 11111397
    Abstract: To provide a silica-based film-forming composition, which can form a homogeneous silica-based film, a method of producing a substrate including a silica-based film using the composition, and an additive agent to be added to a silica-based film-forming composition. In a silica-based film-forming composition including a polysilazane (A) and a solvent (S), a nitrogen-containing polar organic solvent is included as the solvent (S). In addition, the composition including a polysilazane (A) and a nitrogen-containing polar organic solvent as the solvent (S) is coated onto the surface of a substrate to form a coated film, which is then baked to produce a substrate including a silica-based film.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: September 7, 2021
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventor: Yasushi Fujii
  • Patent number: 11106132
    Abstract: An energy-sensitive composition including at least one of a silane compound monomer capable of forming a polysilane compound, a silane compound oligomer and the polysilane compound, and a base generator (B) represented by the following formula (1): in which R1 to R11 each independently represents a hydrogen atom, a halogen atom, a nitro group, an alkyl group, an aryl group, an arylalkyl group or an alkoxy group, R5 and R6 may be connected to each other via a single bond or a divalent linking group, Zq+ represents a q-valent counter cation composed of a base having a pKa of 24 or more, and q represents an integer of 1 or more.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: August 31, 2021
    Assignees: Tokyo Ohka Kogyo Co., Ltd., Tokyo University of Science Foundation
    Inventors: Kunihiro Noda, Dai Shiota, Koji Arimitsu
  • Patent number: 11099479
    Abstract: A resist composition which generates acid upon exposure and exhibits changed solubility in a developing solution under action of acid, and which includes a polymeric compound having a structural unit represented by general formula (a0-1) (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; Va0 represents a divalent hydrocarbon group; na0 represents an integer of 0 to 2; Ra00 represents an acid dissociable group represented by general formula (a0-r1-1); Ra01 and Ra02 represents a hydrocarbon group; Ra01 and Ra02 may be mutually bonded to form a ring; Ya0 represents a quaternary carbon atom; Ra031, Ra032 and Ra033 each independently represents a hydrocarbon group, provided that at least one of Ra031, Ra032 and Ra033 is a hydrocarbon group having a polar group).
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: August 24, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Takashi Nagamine, Hideto Nito, Masafumi Fujisaki, Tatsuya Fujii, Yuki Fukumura, Takahiro Kojima, Issei Suzuki, Takuya Ikeda, KhanhTin Nguyen
  • Patent number: 11067888
    Abstract: A resist composition containing a polymer compound which has a constitutional unit (a0) represented by Formula (a0-1); and an acid generator which is formed of a compound represented by Formula (b1) (in the formulae, Ra00 represents an acid dissociable group represented by Formula (a0-r1-1); Ra01, Ra02, Ra031, Ra032, and Ra033 represent a hydrocarbon group; Ya0 represents a quaternary carbon atom; Rb1 represents a hydrocarbon group which has a steroid skeleton containing at least one hydroxyl group; Yb1 represents a divalent linking group having a single bond or a hetero atom; Vb1 represents a single bond, an alkylene group, or a fluorinated alkylene group; and Rf1 represents a hydrogen atom, a fluorine atom, or a fluorinated alkyl group).
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: July 20, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Takashi Nagamine, Emi Uchida, Tsuyoshi Nakamura
  • Patent number: 11066531
    Abstract: An object is to provide a surface treatment liquid which can firmly bond, while coating the surface of a treatment target with an extremely thin film, a coating whose hydrophilicity is unlikely to be lowered even when the coating is brought into contact with fats and the like to the surface of the treatment target and a surface treatment method using the surface treatment liquid described above. In a surface treatment liquid containing a resin (A) and a solvent (S), as the resin (A), a resin is used which includes a constituent unit (a1) that includes an organic group including a quaternary ammonium cation group and having a sulfonic acid anion group at a terminal and that is derived from an N-substituted (meth) acrylamide, and includes a reactive silyl group in at least one of molecular chain terminals, the concentration of the resin (A) in the surface treatment liquid is less than 2 mass % and the pH of the surface treatment liquid is 4 or less.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: July 20, 2021
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Takahiro Senzaki, Takashi Kamizono
  • Patent number: 11067506
    Abstract: A hydrogen storage metal is disposed on a base material in a predetermined shape and a predetermined size such that hydrogen is detected based on surface plasmon resonance induced by incident light. The hydrogen storage metal is formed of a film body containing palladium and a noble metal. A spectrum of the light having passed through the hydrogen storage metal in which hydrogen is stored has a peak in a wavelength band separated from an absorption spectrum C1 of carbon dioxide with respect to the light and an absorption spectra H1 to H3 of water with respect to the light.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: July 20, 2021
    Assignees: NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY, TOKYO OHKA KOGYO CO., LTD.
    Inventors: Yoshiaki Nishijima, Takeshi Iwai, Isao Hirano
  • Patent number: 11061329
    Abstract: A resist composition including a resin component having a structural unit derived form a compound represented by formula (a0-1) (in the formula, W represents a polymerizable group-containing group; Ra01 is a group which is bonded to Ra03 to form an aliphatic cyclic group, or bonded to Ra04 to form an aliphatic cyclic group; Ra02 represents a hydrocarbon group which may have a substituent; Ra03 is a hydrogen atom or a monovalent organic group in the case where Ra01 is not bonded thereto; Ra04 is a hydrogen atom or a monovalent organic group in the case where Ra01 is not bonded thereto; and Ra05 to Ra07 each independently represents a hydrogen atom or a monovalent organic group).
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: July 13, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Takuya Ikeda, Masatoshi Arai
  • Patent number: 11061326
    Abstract: A chemically amplified positive-type photosensitive resin composition capable of suppressing the occurrence of “footing” in which the width of the bottom (the side proximal to the surface of a support) becomes narrower than the top (the side proximal to the surface of a resist layer) in the nonresist portion when a resist pattern serving as a template for a plated article is formed on a metal surface of a substrate having a metal surface using the composition. A mercapto compound having the formula (C) shown below is added to the composition and includes an acid generator which generates acid upon exposure to an irradiated active ray or radiation and a resin the solubility of which in alkali increases under the action of acid: wherein n1, n2, Rc1, and Rc are defined in claim 1.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: July 13, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Akiya Kawaue, Yasushi Kuroiwa, Shota Katayama, Kazuaki Ebisawa
  • Patent number: 11041086
    Abstract: An object is to provide a hydrophilic treatment method which can firmly bond, while coating the surface of a treatment target with an extremely thin film, the coating to the surface of the treatment target and a surface treatment liquid which can be suitably used in the hydrophilic treatment method. In a hydrophilic treatment method using a surface treatment liquid containing a resin (A) and a solvent (S), the surface treatment liquid which includes, as the resin (A), a constituent unit (a1) derived from an N-substituted (meth) acrylamide having a hydrophilic group, which contains, in at least one of molecular chain terminals, a resin including a reactive silyl group and pH of the liquid is 4 or less is used, and thus a coating is formed on the surface of a treatment target.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: June 22, 2021
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Takahiro Senzaki, Takashi Kamizono
  • Patent number: 11036131
    Abstract: A resist composition containing a compound (B1) represented by Formula (b1) in which Rb1 represents a monovalent hydrocarbon group which has a steroid skeleton and 17 to 50 carbon atoms, Yb1 and Yb2 each independently represent a divalent linking group having a hetero atom, Vb1 represents a divalent linking group containing a cyclic aliphatic hydrocarbon group, Vb2 represents an alkylene group, a fluorinated alkylene group, or a single bond, Rf1 represents a hydrogen atom, a fluorine atom, or a fluorinated alkyl group having 1 to 5 carbon atoms, m represents an integer of 1 or greater, and Mm+ represents an m-valent organic cation
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: June 15, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Takashi Nagamine, Tsuyoshi Nakamura, Kazuishi Tanno
  • Patent number: 11036132
    Abstract: A resist composition which generates an acid upon exposure and whose solubility in a developing solution is changed due to an action of the acid, the resist composition including a base material component whose solubility in a developing solution is changed due to the action of an acid; and a compound represented by Formula (d1) in which Rb1 and Rb2 each independently represents —COO?, —COOH, or a hydroxyl group, where at least one of Rb1 and Rb2 represents —COO?, Rb3, Rb4, and Rb5 each independently represents a hydroxyl group or a halogen atom, Rb6 to Rb8 each independently represents an alkyl group, nb3 represents an integer of 0 to 4, nb4 and nb5 each independently represents an integer of 0 to 2, nb6 to nb8 each independently represents an integer of 0 to 5, m represents 1 or 2, and q represents an integer of 0 to 3.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: June 15, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Takashi Nagamine, Kazuishi Tanno, Tsuyoshi Nakamura, Masafumi Fujisaki
  • Patent number: 11029600
    Abstract: A resist composition including a resin component having more than 30 mol % of a structural unit represented by formula (a0-1), and an acid generator represented by formula (b1) in which R01 represents a hydrogen atom, an alkyl group or a halogenated alkyl group; Va01 represents an alkylene group; Ra01 represents an acid dissociable group; Rb01 represents an cyclic hydrocarbon group; Lb01 represents —O—C(?O)— or —C(?O)—O—; Yb01 represents a divalent linking group or a single bond; Vb01 represents a fluorinated alkylene group; Rb02 represents a fluorine atom or a hydrogen atom; provided that the total number of fluorine atoms contained in Vb01 and Rb02 is 2 or 3; and Mm+ represents an m-valent organic cation.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: June 8, 2021
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Takehito Seo, Tomoyuki Hirano, Yuta Iwasawa, Yusuke Itagaki
  • Patent number: 11022880
    Abstract: A chemically amplified positive-type photosensitive resin composition capable of suppressing the occurrence of “footing” in which the width of the bottom (the side proximal to the surface of a support) becomes narrower than that of the top (the side proximal to the surface of a resist layer) in the nonresist portion; and the generation of development residue when a resist pattern serving as a template for a plated article is formed on a metal surface of a substrate using the photosensitive resin composition. A mercapto compound having a specific structure is included in the photosensitive resin composition, and includes an acid generator which generates acid upon exposure to an irradiated active ray or radiation, and a resin whose solubility in alkali increases under the action of acid.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: June 1, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Akiya Kawaue, Yuta Yamamoto, Kazuaki Ebisawa, Yasushi Kuroiwa
  • Patent number: 11016387
    Abstract: A chemically amplified positive-type photosensitive resin composition containing a predetermined amount of organic solvent (S1) having a boiling point of 120 to 180° C., and satisfying the following requirements: a solvent residual rate measured by the following steps (1) and (2) is 3.5% by mass or less: (1) forming a coated film of 40 ?m by applying the photosensitive resin composition to a substrate; and (2) baking the coated film at a temperature that is higher by 10° C. than the boiling point of the organic solvent (S1) for 30 seconds, and calculating the rate of the organic solvent (S1) in a total mass of the coated film after baking by gas chromatography.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: May 25, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Shota Katayama, Kazuaki Ebisawa
  • Publication number: 20210147652
    Abstract: Provided is a cladding composition which contains metal powder, a binder, and an organic solvent in a case of bonding a metal base material and a resin member to each other. Further, provided is a method for producing a metal/resin bonded member, including a step of coating at least a portion of a metal base material with the cladding composition; a step of irradiating the coated portion of the metal base material which has been coated with the cladding composition, with a laser; a step of disposing the resin member on the laser irradiation portion of the metal base material; and a step of heating an interface between the laser irradiation portion and the resin member so that the metal base material and the resin member are bonded to each other.
    Type: Application
    Filed: April 3, 2019
    Publication date: May 20, 2021
    Applicants: TOKYO OHKA KOGYO CO., LTD., Kisoh Co., Ltd.
    Inventors: Mamoru HOSOYA, Takeshi IWAI, Takashi FUJIMOTO, Tomohiro MAEDA
  • Patent number: 10995234
    Abstract: A method of producing a structure containing a phase-separated structure, including: a step of using 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 to form a BCP layer (3) containing a block copolymer on a substrate (1); and a step of vaporizing at least a part of the compound (IL), and phase-separating the BCP layer (3) to obtain a structure (3?) containing a phase-separated structure.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: May 4, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Takahiro Dazai, Hitoshi Yamano, Akiya Kawaue, Ken Miyagi
  • Patent number: 10988649
    Abstract: A method for imparting water repellency to a substrate; a surface treatment agent used in the method; and a method for suppressing collapse of an organic or inorganic pattern in cleaning the substrate surface with a cleaning liquid. The method includes exposing a surface of a substrate to a surface treatment agent, the surface treatment agent including a water-repelling agent and a nitrogen-containing heterocyclic compound, the water-repelling agent including an alkoxymonosilane compound having a hydrophobic group bonded to a silicon atom. A surface treatment agent including a water-repelling agent and a nitrogen-containing heterocyclic compound, the water-repelling agent (A) including an alkoxymonosilane compound having a hydrophobic group bonded to a silicon atom.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: April 27, 2021
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Kenji Seki, Takumi Namiki