Patents by Inventor Masahisa OKUNO

Masahisa OKUNO 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: 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
  • 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: 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: 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: 9793112
    Abstract: To improve the characteristics of a film formed on a substrate, a method of manufacturing a semiconductor device includes: loading a substrate into a processing container, the substrate being provided with a film having a silazane bond, the film being subjected to pre-baking; supplying oxygen-containing gas at a first temperature not higher than the temperature of the pre-baking; and supplying processing gas containing at least any one of steam and hydrogen peroxide at a second temperature higher than the first temperature.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: October 17, 2017
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takuya Joda, Toru Kakuda, Masahisa Okuno, Hideto Tateno
  • Patent number: 9646862
    Abstract: Heating within a plane of a substrate may be uniform while a thermal budget is decreased. A substrate processing apparatus includes a process chamber configured to accommodate a substrate; a substrate mounting unit installed in the process chamber and configured to have the substrate placed thereon; an electromagnetic wave supply unit configured to supply an electromagnetic wave to the substrate placed on the substrate mounting unit; and a choke groove formed on a side surface of the substrate mounting unit.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: May 9, 2017
    Assignee: Hitachi Kokusai Electric, Inc.
    Inventors: Katsuyoshi Hamano, Atsushi Umekawa, Takuya Joda, Akinori Ishii, Masahisa Okuno
  • Patent number: 9502239
    Abstract: There is provided a substrate processing method, including: (a) loading a substrate into a processing vessel having a pre-baked film containing a silazane bond; (b) heating the substrate to a first temperature and supplying a process gas to the heated substrate; and (c) heating the substrate to which the process gas has been supplied, to a second temperature which is higher than the first temperature and less than or equal to a temperature at which the pre-bake has been performed.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: November 22, 2016
    Assignees: HITACHI KOKUSAI ELECTRIC INC., AZ ELECTRONIC MATERIALS (LUXEMBOURG) S.A.R.L.
    Inventors: Masahisa Okuno, Tooru Kakuda, Hideto Tateno, Takuya Joda, Masamichi Kurokawa
  • Publication number: 20160203976
    Abstract: To improve the characteristics of a film formed on a substrate, a method of manufacturing a semiconductor device includes: loading a substrate into a processing container, the substrate being provided with a film having a silazane bond, the film being subjected to pre-baking; supplying oxygen-containing gas at a first temperature not higher than the temperature of the pre-baking; and supplying processing gas containing at least any one of steam and hydrogen peroxide at a second temperature higher than the first temperature.
    Type: Application
    Filed: March 23, 2016
    Publication date: July 14, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takuya JODA, Toru KAKUDA, Masahisa OKUNO, Hideto TATENO
  • Publication number: 20160013053
    Abstract: By obtaining a high-quality film by improving the quality of an oxide film formed at a low temperature, manufacturing costs of a large-scale integrated circuit (LSI) may be decreased. A method of manufacturing a semiconductor device includes (a) accommodating a substrate having thereon a film containing a silazane bond in a process chamber; (b) generating a process gas by supplying a process liquid containing hydrogen peroxide to an evaporator and supplying the process gas to the substrate; and (c) supplying a microwave to the substrate after processing the substrate with the process gas.
    Type: Application
    Filed: September 23, 2015
    Publication date: January 14, 2016
    Inventors: Hiroshi ASHIHARA, Shin HIYAMA, Masahisa OKUNO, Yuichi WADA, Harunobu SAKUMA
  • Publication number: 20150262817
    Abstract: There is provided a substrate processing method, including: (a) loading a substrate into a processing vessel having a pre-baked film containing a silazane bond; (b) heating the substrate to a first temperature and supplying a process gas to the heated substrate; and (c) heating the substrate to which the process gas has been supplied, to a second temperature which is higher than the first temperature and less than or equal to a temperature at which the pre-bake has been performed.
    Type: Application
    Filed: May 8, 2015
    Publication date: September 17, 2015
    Inventors: Masahisa OKUNO, Tooru KAKUDA, Hideto TATENO, Takuya JODA, Masamichi KUROKAWA
  • Publication number: 20150147894
    Abstract: Heating within a plane of a substrate may be uniform while a thermal budget is decreased. A substrate processing apparatus includes a process chamber configured to accommodate a substrate; a substrate mounting unit installed in the process chamber and configured to have the substrate placed thereon; an electromagnetic wave supply unit configured to supply an electromagnetic wave to the substrate placed on the substrate mounting unit; and a choke groove formed on a side surface of the substrate mounting unit.
    Type: Application
    Filed: February 5, 2015
    Publication date: May 28, 2015
    Inventors: Katsuyoshi HAMANO, Atsushi UMEKAWA, Takuya JODA, Akinori ISHII, Masahisa OKUNO
  • Patent number: 8987645
    Abstract: Provided are a substrate processing apparatus and a method of manufacturing a semiconductor device that are capable of uniformly heating a substrate while reducing an increase in substrate temperature to reduce a thermal budget. The substrate processing apparatus includes a process chamber configured to process a substrate; a substrate support unit installed in the process chamber to support the substrate; a microwave supply unit configured to supply a microwave toward a process surface of the substrate supported by the substrate support unit, the microwave supply unit including a microwave radiating unit radiating the microwave supplied from a microwave source to the process chamber while rotating; a partition installed between the microwave supply unit and the substrate support unit; a cooling unit installed at the substrate support unit; and a control unit configured to control at least the substrate support unit, the microwave supply unit and the cooling unit.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: March 24, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Unryu Ogawa, Masahisa Okuno, Tokunobu Akao, Shinji Yashima, Atsushi Umekawa, Kaichiro Minami
  • Patent number: 8866271
    Abstract: A semiconductor device manufacturing method includes loading a substrate, on which a high-k film is formed, into a processing chamber, performing a reforming process by heating the high-k film through irradiation of a microwave on the substrate, and unloading the substrate from the processing chamber.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: October 21, 2014
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Katsuhiko Yamamoto, Yuji Takebayashi, Tatsuyuki Saito, Masahisa Okuno
  • Patent number: 8557720
    Abstract: A substrate processing apparatus includes a processing chamber configured to process a substrate having a front surface including a dielectric, a substrate support member provided within the processing chamber to support the substrate, a microwave supplying unit configured to supply a microwave to a front surface side of the substrate supported on the substrate support member; and a conductive substrate cooling unit which is provided at a rear surface side of the substrate supported on the substrate support member and has an opposing surface facing the rear surface of the substrate. A distance between the top of the substrate support member and the opposing surface of the substrate cooling unit corresponds to an odd multiple of ¼ wavelength of the microwave supplied when the substrate is processed.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: October 15, 2013
    Assignee: Hitachi Kokusai Electric, Inc.
    Inventors: Tokunobu Akao, Unryu Ogawa, Masahisa Okuno, Shinji Yashima, Atsushi Umekawa, Kaichiro Minami
  • Patent number: 8486222
    Abstract: A substrate processing apparatus includes a processing chamber configured to process a substrate, a substrate support member provided within the processing chamber to support the substrate, a microwave generator provided outside the processing chamber, a waveguide launch port configured to supply a microwave generated by the microwave generator into the processing chamber, wherein the central position of the waveguide launch port is deviated from the central position of the substrate supported on the substrate support member and the waveguide launch port faces a portion of a front surface of the substrate supported on the substrate support member, and a control unit configured to change a relative position of the substrate support member in a horizontal direction with respect to the waveguide launch port.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: July 16, 2013
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Tokunobu Akao, Unryu Ogawa, Masahisa Okuno, Shinji Yashima, Atsushi Umekawa, Kaichiro Minami
  • Publication number: 20120129358
    Abstract: Provided are a substrate processing apparatus and a method of manufacturing a semiconductor device that are capable of uniformly heating a substrate while reducing an increase in substrate temperature to reduce a thermal budget. The substrate processing apparatus includes a process chamber configured to process a substrate; a substrate support unit installed in the process chamber to support the substrate; a microwave supply unit configured to supply a microwave toward a process surface of the substrate supported by the substrate support unit, the microwave supply unit including a microwave radiating unit radiating the microwave supplied from a microwave source to the process chamber while rotating; a partition installed between the microwave supply unit and the substrate support unit; a cooling unit installed at the substrate support unit; and a control unit configured to control at least the substrate support unit, the microwave supply unit and the cooling unit.
    Type: Application
    Filed: September 22, 2011
    Publication date: May 24, 2012
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Unryu OGAWA, Masahisa OKUNO, Tokunobu AKAO, Shinji YASHIMA, Atsushi UMEKAWA, Kaichiro MINAMI
  • Publication number: 20120108061
    Abstract: A substrate processing apparatus includes a processing chamber configured to process a substrate having a front surface including a dielectric, a substrate support member provided within the processing chamber to support the substrate, a microwave supplying unit configured to supply a microwave to a front surface side of the substrate supported on the substrate support member; and a conductive substrate cooling unit which is provided at a rear surface side of the substrate supported on the substrate support member and has an opposing surface facing the rear surface of the substrate. A distance between the top of the substrate support member and the opposing surface of the substrate cooling unit corresponds to an odd multiple of ¼ wavelength of the microwave supplied when the substrate is processed.
    Type: Application
    Filed: September 23, 2011
    Publication date: May 3, 2012
    Applicant: HITACHI KOKUSAI ELECTRIC, INC
    Inventors: Tokunobu AKAO, Unryu OGAWA, Masahisa OKUNO, Shinji YASHIMA, Atsushi UMEKAWA, Kaichiro MINAMI
  • Publication number: 20120108080
    Abstract: A substrate processing apparatus includes a processing chamber configured to process a substrate, a substrate support member provided within the processing chamber to support the substrate, a microwave generator provided outside the processing chamber, a waveguide launch port configured to supply a microwave generated by the microwave generator into the processing chamber, wherein the central position of the waveguide launch port is deviated from the central position of the substrate supported on the substrate support member and the waveguide launch port faces a portion of a front surface of the substrate supported on the substrate support member, and a control unit configured to change a relative position of the substrate support member in a horizontal direction with respect to the waveguide launch port.
    Type: Application
    Filed: September 22, 2011
    Publication date: May 3, 2012
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Tokunobu AKAO, Unryu OGAWA, Masahisa OKUNO, Shinji YASHIMA, Atsushi UMEKAWA, Kaichiro MINAMI
  • Publication number: 20120086107
    Abstract: A semiconductor device manufacturing method includes loading a substrate, on which a high-k film is formed, into a processing chamber, performing a reforming process by heating the high-k film through irradiation of a microwave on the substrate, and unloading the substrate from the processing chamber.
    Type: Application
    Filed: September 30, 2011
    Publication date: April 12, 2012
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Katsuhiko Yamamoto, Yuji Takebayashi, Tatsuyuki Saito, Masahisa Okuno
  • Patent number: D741823
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: October 27, 2015
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hideto Tateno, Daisuke Hara, Masahisa Okuno, Takuya Joda