Patents by Inventor Sadayoshi Horii

Sadayoshi Horii 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: 20240096615
    Abstract: Described herein is a technique capable of acquiring, monitoring, and recording the progress of the reaction between a substrate and a reactive gas contained in a process gas in a process chamber during the processing of the substrate. According to the technique, there is provided a substrate processing apparatus including: a process chamber accommodating a substrate; a process gas supply system configured to supply a process gas into the process chamber via a process gas supply pipe; an exhaust pipe configured to exhaust an inner atmosphere of the process chamber; a first gas concentration sensor configured to detect a first concentration of a reactive gas contained in the process gas in the process gas supply pipe; and a second gas concentration sensor configured to detect a second concentration of the reactive gas contained in an exhaust gas in the exhaust pipe.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 21, 2024
    Applicant: Kokusai Electric Corporation
    Inventors: Akinori TANAKA, Hideto TATENO, Sadayoshi HORII
  • Patent number: 11869764
    Abstract: Described herein is a technique capable of acquiring, monitoring and recording the progress of the reaction between a substrate and a reactive gas contained in a process gas in a process chamber during the processing of the substrate. According to the technique, there is provided a substrate processing apparatus including: a process chamber accommodating a substrate; a process gas supply system configured to supply a process gas into the process chamber via a process gas supply pipe; an exhaust pipe configured to exhaust an inner atmosphere of the process chamber; a first gas concentration sensor configured to detect a first concentration of a reactive gas contained in the process gas in the process gas supply pipe; and a second gas concentration sensor configured to detect a second concentration of the reactive gas contained in an exhaust gas in the exhaust pipe.
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: January 9, 2024
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Akinori Tanaka, Hideto Tateno, Sadayoshi Horii
  • Publication number: 20230294145
    Abstract: A gas cleaning method includes: (a) removing a first metal element as one of contaminants from a process chamber by supplying a chlorine-containing gas into the process chamber without supplying an oxygen-containing gas; and (b) removing a second metal element as another one of the contaminants from the process chamber by supplying the oxygen-containing gas into the process chamber, wherein (b) is performed after (a).
    Type: Application
    Filed: February 1, 2023
    Publication date: September 21, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Takahiro KOBAYASHI, Iwao NAKAMURA, Toru HARADA, Hisashi NOMURA, Sadayoshi HORII
  • Publication number: 20230227979
    Abstract: There is provided a technique that includes: a first nozzle arranged to correspond to a first region where a plurality of product substrates are arranged in a substrate arrangement region where a plurality of substrates are arranged in a reaction tube, the first nozzle supplying a hydrogen-containing gas into the reaction tube; a second nozzle arranged to correspond to the first region and supplying an oxygen-containing gas into the reaction tube; a third nozzle arranged closer to the bottom opening than the first region to correspond to a second region where a dummy substrate or a heat insulator or both is arranged, the third nozzle supplying a dilution gas into the reaction tube; and a controller configured to be capable of controlling the hydrogen-containing gas and the dilution gas so that a concentration of the hydrogen-containing gas in the second region is lower than that in the first region.
    Type: Application
    Filed: March 20, 2023
    Publication date: July 20, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Takafumi SASAKI, Sadayoshi Horii, Mika Urushihara
  • Publication number: 20230077197
    Abstract: Described herein is a technique capable of acquiring, monitoring and recording the progress of the reaction between a substrate and a reactive gas contained in a process gas in a process chamber during the processing of the substrate. According to the technique, there is provided a substrate processing apparatus including: a process chamber accommodating a substrate; a process gas supply system configured to supply a process gas into the process chamber via a process gas supply pipe; an exhaust pipe configured to exhaust an inner atmosphere of the process chamber; a first gas concentration sensor configured to detect a first concentration of a reactive gas contained in the process gas in the process gas supply pipe; and a second gas concentration sensor configured to detect a second concentration of the reactive gas contained in an exhaust gas in the exhaust pipe.
    Type: Application
    Filed: September 13, 2022
    Publication date: March 9, 2023
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Akinori TANAKA, Hideto TATENO, Sadayoshi HORII
  • Patent number: 11476112
    Abstract: Described herein is a technique capable of acquiring, monitoring and recording the progress of the reaction between a substrate and a reactive gas contained in a process gas in a process chamber during the processing of the substrate. According to the technique, there is provided a substrate processing apparatus including: a process chamber accommodating a substrate; a process gas supply system configured to supply a process gas into the process chamber via a process gas supply pipe; an exhaust pipe configured to exhaust an inner atmosphere of the process chamber; a first gas concentration sensor configured to detect a first concentration of a reactive gas contained in the process gas in the process gas supply pipe; and a second gas concentration sensor configured to detect a second concentration of the reactive gas contained in an exhaust gas in the exhaust pipe.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: October 18, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Akinori Tanaka, Hideto Tateno, Sadayoshi Horii
  • Patent number: 11168396
    Abstract: There is provided a technique that includes a first act of modifying a film containing a silazane bond by heating a substrate, in which the film containing the silazane bond is formed over a surface of the substrate, to a first temperature and by supplying a first processing gas containing hydrogen peroxide to the substrate; and after the first act, a second act of modifying the film containing the silazane bond by heating the substrate to a second temperature higher than the first temperature and by supplying a second processing gas containing hydrogen peroxide to the substrate.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: November 9, 2021
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Toru Kakuda, Masahisa Okuno, Katsuhiko Yamamoto, Takuya Joda, Sadayoshi Horii
  • Patent number: 10985017
    Abstract: Described herein is a technique capable of improving a quality of a substrate processing performed using hydrogen peroxide. According to one aspect of the technique described herein, there is provided a method of manufacturing a semiconductor device including: (a) supplying a first process gas containing water and a first concentration of hydrogen peroxide to a substrate having a silicon-containing film formed on a surface thereof; and (b) supplying a second process gas containing water and a second concentration of hydrogen peroxide higher than the first concentration to the substrate after (a).
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: April 20, 2021
    Assignee: Kokusai Electric Corporation
    Inventors: Katsuhiko Yamamoto, Takuya Joda, Toru Kakuda, Sadayoshi Horii
  • Patent number: 10604839
    Abstract: A substrate processing apparatus, including: a processing chamber having a first and a second processing regions; a substrate mounting table rotatably installed in the processing chamber on which a substrate is mounted, and a rotation instrument configured to rotate the substrate mounting table such that the substrate passes through the first processing region and the second processing region in this order, at least one of the first and the second processing regions including: a gas supply part including a line-shaped opening portion extending in a radial direction of the substrate mounting table and configured to supply a gas from the opening portion into the region; and a gap holding member protruding from a ceiling of the processing chamber opposing the substrate, around the opening portion, toward the substrate such that a space on the substrate has a predetermined gap to serve as a passage of the supplied gas.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: March 31, 2020
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Tetsuaki Inada, Yuichi Wada, Mitsunori Ishisaka, Mitsuhiro Hirano, Sadayoshi Horii, Hideharu Itatani, Satoshi Takano, Motonari Takebayashi
  • Publication number: 20200002816
    Abstract: There is provided a technique that includes a first act of modifying a film containing a silazane bond by heating a substrate, in which the film containing the silazane bond is formed over a surface of the substrate, to a first temperature and by supplying a first processing gas containing hydrogen peroxide to the substrate; and after the first act, a second act of modifying the film containing the silazane bond by heating the substrate to a second temperature higher than the first temperature and by supplying a second processing gas containing hydrogen peroxide to the substrate.
    Type: Application
    Filed: September 13, 2019
    Publication date: January 2, 2020
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Toru KAKUDA, Masahisa OKUNO, Katsuhiko YAMAMOTO, Takuya JODA, Sadayoshi HORII
  • Publication number: 20190304778
    Abstract: Described herein is a technique capable of improving a quality of a substrate processing performed using hydrogen peroxide. According to one aspect of the technique described herein, there is provided a method of manufacturing a semiconductor device including: (a) supplying a first process gas containing water and a first concentration of hydrogen peroxide to a substrate having a silicon-containing film formed on a surface thereof; and (b) supplying a second process gas containing water and a second concentration of hydrogen peroxide higher than the first concentration to the substrate after (a).
    Type: Application
    Filed: February 26, 2019
    Publication date: October 3, 2019
    Inventors: Katsuhiko YAMAMOTO, Takuya JODA, Toru KAKUDA, Sadayoshi HORII
  • Publication number: 20190003047
    Abstract: Described herein is a technique capable of preventing an occurrence of the metal contamination in a vaporizer for vaporizing a liquid source. According to the technique described herein, there is provided a vaporizer including: a vaporization vessel constituted by a quartz body; and an atomizer made of a fluorine resin and configured to atomize a liquid source using a carrier gas (atomization gas) and to supply the atomized liquid source into the vaporization vessel.
    Type: Application
    Filed: September 7, 2018
    Publication date: January 3, 2019
    Inventors: Hideto TATENO, Akinori TANAKA, Daisuke HARA, Masahisa OKUNO, Takuya JODA, Takashi TSUKAMOTO, Sadayoshi HORII, Toru KAKUDA
  • Publication number: 20180204720
    Abstract: Described herein is a technique capable of acquiring, monitoring and recording the progress of the reaction between a substrate and a reactive gas contained in a process gas in a process chamber during the processing of the substrate. According to the technique, there is provided a substrate processing apparatus including: a process chamber accommodating a substrate; a process gas supply system configured to supply a process gas into the process chamber via a process gas supply pipe; an exhaust pipe configured to exhaust an inner atmosphere of the process chamber; a first gas concentration sensor configured to detect a first concentration of a reactive gas contained in the process gas in the process gas supply pipe; and a second gas concentration sensor configured to detect a second concentration of the reactive gas contained in an exhaust gas in the exhaust pipe.
    Type: Application
    Filed: March 12, 2018
    Publication date: July 19, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Akinori TANAKA, Hideto TATENO, Sadayoshi HORII
  • Publication number: 20180204742
    Abstract: A substrate processing apparatus, includes: a process chamber accommodating a substrate; a vaporizer vaporizing a liquid precursor to generate reaction gas and deliver a processing gas containing the reaction gas and a carrier gas, the vaporizer including: a vaporization vessel; and a heater heating the liquid precursor introduced into the vessel; a carrier gas flow rate controller controlling flow rate of the carrier gas supplied to the vaporizer; a liquid precursor flow rate controller controlling flow rate of the liquid precursor; a processing gas supply pipe introducing the processing gas delivered from the vaporizer into the process chamber; and a gas concentration sensor detecting a gas concentration of the reaction gas contained in the processing gas delivered from the vaporizer into the processing gas supply pipe.
    Type: Application
    Filed: March 13, 2018
    Publication date: July 19, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hideto TATENO, Daisuke HARA, Masahisa OKUNO, Takuya JODA, Takashi TSUKAMOTO, Akinori TANAKA, Toru KAKUDA, Sadayoshi HORII
  • Patent number: 9653301
    Abstract: Provided is a semiconductor device including a metal film which can be formed with lower costs but still manage to have a necessary work function and oxidation resistance. The semiconductor device includes an insulating film disposed on a substrate; and a metal film disposed on the insulating film. The metal film includes a stacked structure of: a first metal film disposed on the insulating film to directly contact the insulating film; a second metal film disposed on the first metal film to directly contact the first metal film; and the first metal film disposed on the second metal film to directly contact the second metal film, the second metal film having a work function greater than 4.8 eV and being different from the first metal film in material, wherein an oxidation resistance of the first metal film is greater than that of the second metal film.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: May 16, 2017
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Sadayoshi Horii, Arito Ogawa, Hideharu Itatani
  • Publication number: 20160343573
    Abstract: Provided is a semiconductor device including a metal film which can be formed with lower costs but still manage to have a necessary work function and oxidation resistance. The semiconductor device includes an insulating film disposed on a substrate; and a metal film disposed on the insulating film. The metal film includes a stacked structure of: a first metal film disposed on the insulating film to directly contact the insulating film; a second metal film disposed on the first metal film to directly contact the first metal film; and the first metal film disposed on the second metal film to directly contact the second metal film, the second metal film having a work function greater than 4.8 eV and being different from the first metal film in material, wherein an oxidation resistance of the first metal film is greater than that of the second metal film.
    Type: Application
    Filed: August 4, 2016
    Publication date: November 24, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Sadayoshi HORII, Arito OGAWA, Hideharu ITATANI
  • Patent number: 9472637
    Abstract: Provided is a semiconductor device including a metal film which can be formed with lower costs but still mange to have a necessary work function and oxidation resistance. The semiconductor device includes: an insulating film disposed on a substrate; and a metal film disposed on the insulating film to directly contact the insulating film, the metal film including a laminated structure where a first metal film and a second metal film are alternately and repeatedly laminated, wherein the second metal film has a work function different from that of the first metal film and is different from the first metal film in material, and an oxidation resistance of the first metal film is greater than that of the second metal film.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: October 18, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Sadayoshi Horii, Arito Ogawa, Hideharu Itatani
  • Patent number: 9437704
    Abstract: Provided is a semiconductor device including a metal film which can be formed with lower costs but still mange to have a necessary work function and oxidation resistance. The semiconductor device includes an insulating film disposed on a substrate; and a metal film disposed on the insulating film. The metal film includes a stacked structure of: a first metal film disposed on the insulating film to directly contact the insulating film; a second metal film disposed on the first metal film to directly contact the first metal film; and the first metal film disposed on the second metal film to directly contact the second metal film, the second metal film having a work function greater than 4.8 eV and being different from the first metal film in material, wherein an oxidation resistance of the first metal film is greater than that of the second metal film.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: September 6, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Sadayoshi Horii, Arito Ogawa, Hideharu Itatani
  • Publication number: 20160053373
    Abstract: A substrate processing apparatus, including: a processing chamber having a first and a second processing regions; a substrate mounting table rotatably installed in the processing chamber on which a substrate is mounted, and a rotation instrument configured to rotate the substrate mounting table such that the substrate passes through the first processing region and the second processing region in this order, at least one of the first and the second processing regions including: a gas supply part including a line-shaped opening portion extending in a radial direction of the substrate mounting table and configured to supply a gas from the opening portion into the region; and a gap holding member protruding from a ceiling of the processing chamber opposing the substrate, around the opening portion, toward the substrate such that a space on the substrate has a predetermined gap to serve as a passage of the supplied gas.
    Type: Application
    Filed: August 14, 2015
    Publication date: February 25, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Tetsuaki INADA, Yuichi WADA, Mitsunori ISHISAKA, Mitsuhiro HIRANO, Sadayoshi HORII, Hideharu ITATANI, Satoshi TAKANO, Motonari TAKEBAYASHI
  • Publication number: 20150171180
    Abstract: Provided is a semiconductor device including a metal film which can be formed with lower costs but still mange to have a necessary work function and oxidation resistance. The semiconductor device includes an insulating film disposed on a substrate; and a metal film disposed on the insulating film. The metal film includes a stacked structure of: a first metal film disposed on the insulating film to directly contact the insulating film; a second metal film disposed on the first metal film to directly contact the first metal film; and the first metal film disposed on the second metal film to directly contact the second metal film, the second metal film having a work function greater than 4.8 eV and being different from the first metal film in material, wherein an oxidation resistance of the first metal film is greater than that of the second metal film.
    Type: Application
    Filed: February 23, 2015
    Publication date: June 18, 2015
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Sadayoshi HORII, Arito OGAWA, Hideharu ITATANI