Patents by Inventor Atsushi UMEKAWA

Atsushi UMEKAWA 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: 20160093476
    Abstract: Provided is a technique of uniformly processing a substrate within a short time by supplying a sufficient amount of active species to a surface of the substrate. A substrate processing apparatus includes: a process chamber; a discharge chamber; a plasma source; an exhaust system; a process gas supply system including a temporary storage unit; and a control unit configured to control the plasma source, the exhaust system and the process gas supply system to: intermittently supply a process gas temporarily stored in the temporary storage unit into the discharge chamber; and supply the process gas activated in the discharge chamber from the discharge chamber into the process chamber having an inner pressure lower than an inner pressure of the discharge chamber.
    Type: Application
    Filed: September 3, 2015
    Publication date: March 31, 2016
    Inventors: Kazuyuki TOYODA, Atsushi UMEKAWA, Makoto KAWABATA, Koji SHIBATA
  • Publication number: 20160002789
    Abstract: A substrate processing apparatus includes a processing chamber housing a substrate, a vaporizer which vaporizes processing liquid and supply processing gas into the processing chamber, a reserve tank storing the processing liquid, a line switching unit connected to the reserve tank, a tank supply pipe connected to the line switching unit and supplies the processing liquid to the reserve tank, an exhausting unit connected to the line switching unit and exhausts the processing liquid in the reserve tank, and a controlling unit which controls the line switching unit to exhaust the processing liquid for exhausting the processing liquid from the reserve tank to the exhausting unit and exhaust the processing liquid in the pipe for supplying the processing liquid from the tank supply pipe to the exhausting unit before and/or after supplying the processing liquid from the processing liquid supplying pipe to the reserve tank.
    Type: Application
    Filed: September 16, 2015
    Publication date: January 7, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Tadashi KONTANI, Hideto TATENO, Atsushi UMEKAWA
  • Patent number: 9171724
    Abstract: A substrate processing apparatus includes a process chamber which processes a substrate, a conductive substrate support table which is installed within the process chamber, a dielectric plate on which the substrate is mounted, the dielectric plate being placed on the substrate support table, a microwave generator which is installed outside the process chamber, and a microwave supplying unit which supplies a microwave generated by the microwave generator into the process chamber.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: October 27, 2015
    Assignee: HITACHI KOKUSAIELECTRIC INC.
    Inventors: Shinji Yashima, Atsushi Umekawa
  • 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: 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: 20130072034
    Abstract: A substrate processing apparatus includes a process chamber which processes a substrate, a conductive substrate support table which is installed within the process chamber, a dielectric plate on which the substrate is mounted, the dielectric plate being placed on the substrate support table, a microwave generator which is installed outside the process chamber, and a microwave supplying unit which supplies a microwave generated by the microwave generator into the process chamber.
    Type: Application
    Filed: September 14, 2012
    Publication date: March 21, 2013
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Shinji YASHIMA, Atsushi UMEKAWA
  • 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: 20110233198
    Abstract: A substrate processing apparatus and a substrate processing method capable of supplying uniform electromagnetic wave power and performing uniform heating are provided. The substrate processing apparatus includes a process chamber for processing a wafer, a boat installed in the process chamber to hold the wafer, a gas introduction part installed below the wafer held by the boat for introducing a gas toward a back surface of the wafer, and a waveguide port installed over the wafer held by the boat for introducing an electromagnetic wave.
    Type: Application
    Filed: March 21, 2011
    Publication date: September 29, 2011
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Masahisa OKUNO, Atsushi UMEKAWA