Patents by Inventor Tomonori Takahashi

Tomonori Takahashi 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: 11499099
    Abstract: This disclosure relates to etching compositions containing 1) at least one oxidizing agent; 2) at least one chelating agent; 3) at least one organic solvent; 4) at least one amine compound; and 5) water.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: November 15, 2022
    Assignee: Fujifilm Electronic Materials U.S.A., Inc.
    Inventors: Kazutaka Takahashi, Tomonori Takahashi, William A. Wojtczak
  • Patent number: 11479863
    Abstract: The present invention provides a chemical solution having excellent storage stability and excellent defect inhibition performance. The present invention also provides a method for treating a substrate. The chemical solution according to an embodiment of the present invention is a chemical solution used for removing a transition metal-containing substance on a substrate. The chemical solution contains one or more kinds of halogen oxoacids selected from the group consisting of a halogen oxoacid and a salt thereof and one or more kinds of specific anions selected from the group consisting of SO42?, NO3?, PO43?, and BO33?. In a case where the chemical solution contains one kind of the specific anion, a content of one kind of the specific anion is 5 ppb by mass to 1% by mass with respect to a total mass of the chemical solution.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: October 25, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Nobuaki Sugimura, Tomonori Takahashi, Hiroyuki Seki
  • Patent number: 11466209
    Abstract: The present invention provides a chemical solution which has an excellent dissolving ability for a transition metal-containing substance and can realize excellent smoothness of a portion to be treated. Furthermore, the present invention provides a method of treating a substrate. The chemical solution according to an embodiment of the present invention is used for removing a transition metal-containing substance on a substrate. The chemical solution contains one or more kinds of specific hypochlorous acids selected from the group consisting of hypochlorous acid and a salt thereof and contains one or more kinds of specific anions selected from the group consisting of ClO3? and Cl?. In a case where the chemical solution contains one kind of the specific anion, the content of one kind of the specific anion is 5 ppb by mass to 1% by mass with respect to a total mass of the chemical solution.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: October 11, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Nobuaki Sugimura, Tomonori Takahashi, Hiroyuki Seki
  • Publication number: 20220275313
    Abstract: This disclosure relates to a cleaning composition that contains 1) hydroxylamine; 2) alkanolamine; 3) an alkylene glycol; 4) water. This disclosure also relates to a method of using the above composition for cleaning a semiconductor substrate.
    Type: Application
    Filed: May 20, 2022
    Publication date: September 1, 2022
    Inventors: Tomonori Takahashi, Bing Du, William A. Wojtczak, Thomas Dory, Emil A. Kneer
  • Publication number: 20220270678
    Abstract: According to one embodiment, a semiconductor memory device includes: a memory cell configured to hold 5-bit data; a word line coupled to the memory cell; and a row decoder configured to apply first to 31st voltages to the word line. A first bit of the 5-bit data is established by reading operations using first to sixth voltages. A second bit of the 5-bit data is established by reading operations using seventh to twelfth voltages. A third bit of the 5-bit data is established by reading operations using thirteenth to eighteenth voltages. A fourth bit of the 5-bit data is established by reading operations using nineteenth to 25th voltages. A fifth bit of the 5-bit data is established by reading operations using 26th to 31st voltages.
    Type: Application
    Filed: May 6, 2022
    Publication date: August 25, 2022
    Applicant: KIOXIA CORPORATION
    Inventors: Tomonori TAKAHASHI, Masanobu SHIRAKAWA, Osamu TORII, Marie TAKADA
  • Publication number: 20220260919
    Abstract: A treatment liquid for a semiconductor device includes an alkanolamine; a hydroxylamine; an organic solvent; Ca; Fe; and Na, wherein the content of the alkanolamine in the treatment liquid is 0.1% to 5% by mass, the content of the hydroxylamine in the treatment liquid is 0.1% to 30% by mass, and each of the mass ratio of Ca, Fe, and Na with respect to the content of the alkanolamine and the hydroxylamine in the treatment liquid is 10?12 to 10?4.
    Type: Application
    Filed: May 6, 2022
    Publication date: August 18, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Tomonori Takahashi, Tetsuya Kamimura
  • Patent number: 11412607
    Abstract: An atomic beam generator includes a cathode constituted as a housing having an emission surface provided with an irradiation port through which an atomic beam is emissive; an anode disposed inside the cathode to generate plasma between the cathode and the anode; and a magnetic field generating unit including a first magnetic field generating unit that generates a first magnetic field and a second magnetic field generating unit that generates a second magnetic field, and guiding positive ions produced in the cathode to the emission surface by generating, in the cathode, the first magnetic field and the second magnetic field both parallel to the emission surface such that a magnetic field direction is leftward in the first magnetic field and is rightward in the second magnetic field when viewed from an emission surface side on condition of the first magnetic field being positioned above the second magnetic field.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: August 9, 2022
    Assignees: National University Corporation Tokai National Higher Education and Research System, NGK Insulators, Ltd.
    Inventors: Seiichi Hata, Junpei Sakurai, Yuuki Hirai, Hiroyuki Tsuji, Takayoshi Akao, Tomoki Nagae, Tomonori Takahashi
  • Patent number: 11410859
    Abstract: The present invention provides a treatment liquid for a semiconductor device, which has excellent temporal stability of residue removal performance as well as excellent anticorrosion performance for an object to be treated. The treatment liquid of an aspect of the present invention is a treatment liquid for a semiconductor device contains one or more hydroxylamine compounds selected from the group consisting of hydroxylamine and a hydroxylamine salt, an organic basic compound, an alcohol-based solvent, and a surfactant, in which a content of the alcohol-based solvent with respect to a total mass of the treatment liquid is 40% to 85% by mass, and a pH is 8 or higher.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: August 9, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuya Kamimura, Tomonori Takahashi
  • Patent number: 11401487
    Abstract: This disclosure relates to a cleaning composition that contains 1) at least one redox agent; 2) at least one first chelating agent, the first chelating agent being a polyaminopolycarboxylic acid; 3) at least one metal corrosion inhibitor, the metal corrosion inhibitor being a substituted or unsubstituted benzotriazole; 4) at least one pH adjusting agent, the pH adjusting agent being a base free of a metal ion; and 5) water. This disclosure also relates to a method of using the above composition for cleaning a semiconductor substrate.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: August 2, 2022
    Assignee: Fujifilm Electronics Materials U.S.A., Inc.
    Inventors: Tomonori Takahashi, Bing Du, William A. Wojtczak, Thomas Dory, Emil A. Kneer
  • Patent number: 11397383
    Abstract: A treatment liquid for a semiconductor device contains an organic alkali compound, a corrosion inhibitor, an organic solvent, Ca, Fe, and Na, in which each of the mass ratio of the Ca, the mass ratio of the Fe, and the mass ratio of the Na to the organic alkali compound in the treatment liquid is 10—12 to 10?4. A method for washing a substrate and a method for removing a resist use the treatment liquid.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: July 26, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Tomonori Takahashi, Tetsuya Kamimura
  • Patent number: 11361820
    Abstract: According to one embodiment, a semiconductor memory device includes: a memory cell configured to hold 5-bit data; a word line coupled to the memory cell; and a row decoder configured to apply first to 31st voltages to the word line. A first bit of the 5-bit data is established by reading operations using first to sixth voltages. A second bit of the 5-bit data is established by reading operations using seventh to twelfth voltages. A third bit of the 5-bit data is established by reading operations using thirteenth to eighteenth voltages. A fourth bit of the 5-bit data is established by reading operations using nineteenth to 25th voltages. A fifth bit of the 5-bit data is established by reading operations using 26th to 31st voltages.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: June 14, 2022
    Assignee: KIOXIA CORPORATION
    Inventors: Tomonori Takahashi, Masanobu Shirakawa, Osamu Torii, Marie Takada
  • Patent number: 11359169
    Abstract: This disclosure relates to a cleaning composition that contains 1) at least one redox agent; 2) at least one first chelating agent, the first chelating agent being a polyaminopolycarboxylic acid; 3) at least one metal corrosion inhibitor, the metal corrosion inhibitor being a substituted or unsubstituted benzotriazole; 4) at least one pH adjusting agent, the pH adjusting agent being a base free of a metal ion; and 5) water. This disclosure also relates to a method of using the above composition for cleaning a semiconductor substrate.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: June 14, 2022
    Assignee: Fujifilm Electronic Materials U.S.A., Inc.
    Inventors: Tomonori Takahashi, Bing Du, William A. Wojtczak, Thomas Dory, Emil A. Kneer
  • Publication number: 20220145222
    Abstract: This disclosure relates to a cleaning composition that contains 1) at least one redox agent; 2) at least one first chelating agent, the first chelating agent being a polyaminopolycarboxylic acid; 3) at least one metal corrosion inhibitor, the metal corrosion inhibitor being a substituted or unsubstituted benzotriazole; 4) at least one pH adjusting agent, the pH adjusting agent being a base free of a metal ion; and 5) water. This disclosure also relates to a method of using the above composition for cleaning a semiconductor substrate.
    Type: Application
    Filed: January 24, 2022
    Publication date: May 12, 2022
    Inventors: Tomonori Takahashi, Bing Du, William A. Wojtczak, Thomas Dory, Emil A. Kneer
  • Patent number: 11286444
    Abstract: This disclosure relates to a cleaning composition that contains 1) at least one redox agent; 2) at least one first chelating agent, the first chelating agent being a polyaminopolycarboxylic acid; 3) at least one metal corrosion inhibitor, the metal corrosion inhibitor being a substituted or unsubstituted benzotriazole; 4) at least one pH adjusting agent, the pH adjusting agent being a base free of a metal ion; and 5) water. This disclosure also relates to a method of using the above composition for cleaning a semiconductor substrate.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: March 29, 2022
    Assignee: Fujifilm Electronic Materials U.S.A., Inc.
    Inventors: Tomonori Takahashi, Bing Du, William A. Wojtczak, Thomas Dory, Emil A. Kneer
  • Patent number: 11274250
    Abstract: The present invention provides a chemical solution, which has an excellent dissolving ability for a transition metal-containing substance and can realize excellent smoothness of a portion to be treated, and a treatment method using the chemical solution. The chemical solution according to an embodiment of the present invention is a chemical solution used for removing a transition metal-containing substance on a substrate and includes periodic acids and a compound including one or more kinds of anions selected from the group consisting of IO3?, I?, and I3?, in which a content of the compound including anions with respect to a total mass of the chemical solution is 5 ppb by mass to 1% by mass.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: March 15, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Tomonori Takahashi, Nobuaki Sugimura, Hiroyuki Seki
  • Patent number: 11239093
    Abstract: The present invention provides a method for treating a substrate, which can remove transition metal-containing substances on a substrate with high efficiency while inhibiting cerium from remaining on the surface of the treated substrate. Furthermore, the present invention provides a method for manufacturing a semiconductor device including the method for treating a substrate, and a kit for treating a substrate that is applicable to the method for treating a substrate.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: February 1, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Tomonori Takahashi, Nobuaki Sugimura, Hiroyuki Seki
  • Patent number: 11225633
    Abstract: A treatment liquid is a treatment liquid for a semiconductor device, containing a fluorine-containing compound, a corrosion inhibitor, and calcium, in which the mass content ratio of the calcium to the fluorine-containing compound in the treatment liquid is 1.0×10?10 to 1.0×10?4.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: January 18, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuya Kamimura, Tomonori Takahashi
  • Publication number: 20220002622
    Abstract: The present invention provides a chemical liquid that causes a small variation in a dissolving amount of a first metal-containing substance in a case where the chemical liquid is applied to an object to be treated containing the first metal-containing substance. The present invention also provides a method for treating an object to be treated. The chemical liquid according to an embodiment of the present invention contains water, a hydroxylamine compound selected from the group consisting of hydroxylamine and a hydroxylamine salt, and a specific compound represented by Formula (1).
    Type: Application
    Filed: September 17, 2021
    Publication date: January 6, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Tomonori TAKAHASHI, Yasuo SUGISHIMA
  • Patent number: 11072767
    Abstract: A treatment liquid for a semiconductor device is a treatment liquid including water, an organic solvent, and two or more nitrogen-containing aromatic heterocyclic compounds.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: July 27, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Tomonori Takahashi, Tetsuya Kamimura
  • Publication number: 20210189235
    Abstract: The present invention provides a chemical solution which has an excellent dissolving ability for a transition metal-containing substance and can realize excellent smoothness of a portion to be treated. Furthermore, the present invention provides a method of treating a substrate. The chemical solution according to an embodiment of the present invention is used for removing a transition metal-containing substance on a substrate. The chemical solution contains one or more kinds of specific hypochlorous acids selected from the group consisting of hypochlorous acid and a salt thereof and contains one or more kinds of specific anions selected from the group consisting of ClO3? and Cl?. In a case where the chemical solution contains one kind of the specific anion, the content of one kind of the specific anion is 5 ppb by mass to 1% by mass with respect to a total mass of the chemical solution.
    Type: Application
    Filed: March 4, 2021
    Publication date: June 24, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Nobuaki SUGIMURA, Tomonori TAKAHASHI, Hiroyuki SEKI