Patents by Inventor Kenji Shirako

Kenji Shirako 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: 11935762
    Abstract: There is provided a technique that includes: a first processing module including a first process container in which at least one substrate is processed, a first utility system including a first supply system which supplies a first processing gas into the first process container and a surface of the first utility system is connected or arranged close to the first processing module; and a first vacuum pump arranged at the same level as a first exhaust port of the first process container. The first vacuum pump exhausts an inside of the first process container and includes a first intake port formed laterally at a position substantially facing the first exhaust port of the first process container. A first exhaust pipe configured to substantially linearly bring the first exhaust port into fluid communication with the first intake port and including a first valve installed in a flow path.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: March 19, 2024
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Daigi Kamimura, Tomoshi Taniyama, Kenji Shirako, Hironori Shimada, Akira Horii, Takayuki Nakada, Norihiro Yamashima
  • Publication number: 20220392783
    Abstract: There is provided a technique that includes: a first processing module including a first process container in which at least one substrate is processed, a first utility system including a first supply system which supplies a first processing gas into the first process container and a surface of the first utility system is connected or arranged close to the first processing module; and a first vacuum pump arranged at the same level as a first exhaust port of the first process container. The first vacuum pump exhausts an inside of the first process container and includes a first intake port formed laterally at a position substantially facing the first exhaust port of the first process container. A first exhaust pipe configured to substantially linearly bring the first exhaust port into fluid communication with the first intake port and including a first valve installed in a flow path.
    Type: Application
    Filed: August 16, 2022
    Publication date: December 8, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Daigi KAMIMURA, Tomoshi TANIYAMA, Kenji SHIRAKO, Hironori SHIMADA, Akira HORII, Takayuki NAKADA, Norihiro YAMASHIMA
  • Patent number: 11450536
    Abstract: There is provided a technique that includes: a first processing module including a first process container in which at least one substrate is processed and a substrate loading port installed at a front side of the first processing module; a first utility system including a first supply system configured to supply a first processing gas into the first process container, a surface of the first utility system is connected or arranged close to a rear surface of the first processing module; and a first vacuum-exhauster arranged behind the first processing module and configured to exhaust an inside of the first process container, wherein the first vacuum-exhauster includes an outer side surface configured such that the outer side surface does not protrude more outward than an outer side surface of the first utility system.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: September 20, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Daigi Kamimura, Tomoshi Taniyama, Kenji Shirako, Hironori Shimada, Akira Horii, Takayuki Nakada, Norihiro Yamashima
  • Publication number: 20220068687
    Abstract: There is provided a technique that includes: a boat including plural slots to hold at least one substrate; a process furnace that processes the at least one substrate held in the boat; a boat elevator that raises and lowers the boat; a transfer device that transfers the at least one substrate between plural carriers where the at least one substrate is stored and the boat; and a controller capable of controlling the boat elevator and the transfer device, wherein the controller sets plural positions where the transfer device transfers the at least one substrate to the boat elevator, and select the positions to minimize a number of shifts among the positions of the boat elevator or total time taken during the shifts.
    Type: Application
    Filed: August 31, 2021
    Publication date: March 3, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kenji SHIRAKO, Tomoshi TANIYAMA
  • Publication number: 20210305067
    Abstract: There is provided a technique that includes: a first processing module including a first process container in which at least one substrate is processed and a substrate loading port installed at a front side of the first processing module; a first utility system including a first supply system configured to supply a first processing gas into the first process container, a surface of the first utility system is connected or arranged close to a rear surface of the first processing module; and a first vacuum-exhauster arranged behind the first processing module and configured to exhaust an inside of the first process container, wherein the first vacuum-exhauster includes an outer side surface configured such that the outer side surface does not protrude more outward than an outer side surface of the first utility system.
    Type: Application
    Filed: March 25, 2021
    Publication date: September 30, 2021
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Daigi KAMIMURA, Tomoshi TANIYAMA, Kenji SHIRAKO, Hironori SHIMADA, Akira HORII, Takayuki NAKADA, Norihiro YAMASHIMA
  • Patent number: 11124873
    Abstract: A substrate processing apparatus including a transfer chamber; upper gas supply mechanism that supplies a gas into an upper region of the transfer chamber through a first gas supply port; and lower gas supply mechanism that supplies the gas into a lower region of the transfer chamber through a second gas supply port. The upper gas supply mechanism includes a first buffer chamber disposed at a back surface of the first gas supply port; a pair of upper ducts disposed at both sides of the first buffer chamber; and a first ventilation unit disposed at lower ends of the pair of upper ducts. The lower gas supply mechanism includes a second buffer chamber disposed at a back surface of the second gas supply port; a lower duct disposed at lower surface of the second buffer chamber; and a second ventilation unit disposed at a lower end of the lower duct.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: September 21, 2021
    Assignee: Kokusai Electric Corporation
    Inventors: Takayuki Nakada, Tomoshi Taniyama, Kenji Shirako
  • Publication number: 20210254211
    Abstract: A substrate processing apparatus including a transfer chamber; upper gas supply mechanism that supplies a gas into an upper region of the transfer chamber through a first gas supply port; and lower gas supply mechanism that supplies the gas into a lower region of the transfer chamber through a second gas supply port. The upper gas supply mechanism includes a first buffer chamber disposed at a back surface of the first gas supply port; a pair of upper ducts disposed at both sides of the first buffer chamber; and a first ventilation unit disposed at lower ends of the pair of upper ducts. The lower gas supply mechanism includes a second buffer chamber disposed at a back surface of the second gas supply port; a lower duct disposed at lower surface of the second buffer chamber; and a second ventilation unit disposed at a lower end of the lower duct.
    Type: Application
    Filed: May 6, 2021
    Publication date: August 19, 2021
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Takayuki NAKADA, Tomoshi TANIYAMA, Kenji SHIRAKO
  • Patent number: 10837112
    Abstract: A technique for improving stability and safety at the time of boat transfer is provided. A reaction tube configured to process a substrate, a seal cap, provided on an upper surface thereof with a substrate retainer for retaining the substrate, configured to close a furnace opening of the reaction tube, one of a first elevator and a second elevator configured to elevate the seal cap; and another of a first elevator and a second elevator configured to assist the one of the first elevator and the second elevator in elevating the seal cap.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: November 17, 2020
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yasuaki Komae, Takashi Nogami, Kenji Shirako
  • Publication number: 20200131631
    Abstract: A substrate processing apparatus including a transfer chamber; upper gas supply mechanism that supplies a gas into an upper region of the transfer chamber through a first gas supply port; and lower gas supply mechanism that supplies the gas into a lower region of the transfer chamber through a second gas supply port. The upper gas supply mechanism includes a first buffer chamber disposed at a back surface of the first gas supply port; a pair of upper ducts disposed at both sides of the first buffer chamber; and a first ventilation unit disposed at lower ends of the pair of upper ducts. The lower gas supply mechanism includes a second buffer chamber disposed at a back surface of the second gas supply port; a lower duct disposed at lower surface of the second buffer chamber; and a second ventilation unit disposed at a lower end of the lower duct.
    Type: Application
    Filed: December 30, 2019
    Publication date: April 30, 2020
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Takayuki NAKADA, Tomoshi TANIYAMA, Kenji SHIRAKO
  • Patent number: 10590531
    Abstract: There is provided a technique that includes: a first processing module including a first processing chamber for processing vertically arranged substrates; a second processing module including a second processing chamber for processing the substrates, the second processing chamber disposed adjacent to the first processing chamber; a first exhaust box storing a first exhaust system exhausting the first processing chamber; a second exhaust box storing a second exhaust system exhausting the second processing chamber; a common supply box controlling at least one of a flow path and a flow rate of process gases supplied into the first and second processing chambers; a first valve group connecting gas pipes from the common supply box to the first processing chamber such that a communication state is controllable; and a second valve group connecting the gas pipes from the common supply box to the second processing chamber such that a communication state is controllable.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: March 17, 2020
    Assignee: Kokusai Electric Corporation
    Inventors: Kenji Shirako, Tomoshi Taniyama
  • Publication number: 20200071821
    Abstract: There is provided a technique that includes: a first processing module including a first processing chamber for processing vertically arranged substrates; a second processing module including a second processing chamber for processing the substrates, the second processing chamber disposed adjacent to the first processing chamber; a first exhaust box storing a first exhaust system exhausting the first processing chamber; a second exhaust box storing a second exhaust system exhausting the second processing chamber; a common supply box controlling at least one of a flow path and a flow rate of process gases supplied into the first and second processing chambers; a first valve group connecting gas pipes from the common supply box to the first processing chamber such that a communication state is controllable; and a second valve group connecting the gas pipes from the common supply box to the second processing chamber such that a communication state is controllable.
    Type: Application
    Filed: August 29, 2019
    Publication date: March 5, 2020
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kenji SHIRAKO, Tomoshi TANIYAMA
  • Patent number: 10550468
    Abstract: A substrate processing apparatus includes a transfer chamber; an upper gas supply mechanism for supplying a gas into an upper region of the transfer chamber through a first gas supply port; and a lower gas supply mechanism configured to supply the gas into a lower region of the transfer chamber through a second gas supply port. The upper gas supply mechanism includes a first buffer chamber at a back surface of the first gas supply port; a pair of upper ducts at both sides of the first buffer chamber; and a first ventilation unit at lower ends of the pair of upper ducts. The lower gas supply mechanism includes a second buffer chamber at a back surface of the second gas supply port; a lower duct at lower surface of the second buffer chamber; and a second ventilation unit at a lower end of the lower duct.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: February 4, 2020
    Assignee: Kokusai Electric Corporation
    Inventors: Takayuki Nakada, Tomoshi Taniyama, Kenji Shirako
  • Publication number: 20170218513
    Abstract: A substrate processing apparatus includes a transfer chamber; an upper gas supply mechanism for supplying a gas into an upper region of the transfer chamber through a first gas supply port; and a lower gas supply mechanism configured to supply the gas into a lower region of the transfer chamber through a second gas supply port. The upper gas supply mechanism includes a first buffer chamber at a back surface of the first gas supply port; a pair of upper ducts at both sides of the first buffer chamber; and a first ventilation unit at lower ends of the pair of upper ducts. The lower gas supply mechanism includes a second buffer chamber at a back surface of the second gas supply port; a lower duct at lower surface of the second buffer chamber; and a second ventilation unit at a lower end of the lower duct.
    Type: Application
    Filed: February 1, 2017
    Publication date: August 3, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takayuki NAKADA, Tomoshi TANIYAMA, Kenji SHIRAKO
  • Publication number: 20170198397
    Abstract: A technique for improving stability and safety at the time of boat transfer is provided. A reaction tube configured to process a substrate, a seal cap, provided on an upper surface thereof with a substrate retainer for retaining the substrate, configured to close a furnace opening of the reaction tube, one of a first elevator and a second elevator configured to elevate the seal cap; and another of a first elevator and a second elevator configured to assist the one of the first elevator and the second elevator in elevating the seal cap.
    Type: Application
    Filed: March 29, 2017
    Publication date: July 13, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yasuaki KOMAE, Takashi NOGAMI, Kenji SHIRAKO
  • Patent number: 9418881
    Abstract: Provided is a substrate processing apparatus capable of suppressing inferiority when heat treatment is controlled using a temperature sensor.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: August 16, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Shinobu Sugiura, Masaaki Ueno, Kazuo Tanaka, Masashi Sugishita, Hideto Yamaguchi, Kenji Shirako
  • Patent number: 9222732
    Abstract: Provided is a substrate processing apparatus capable of maintaining a temperature of a furnace port part at a heat-resistant temperature or less of each member constituting the furnace part. The substrate processing apparatus includes a process chamber configured to process a plurality of substrates vertically stacked at predetermined intervals; a substrate retainer configured to hold the plurality of substrates in the process chamber; and a first heat exchanger installed in the process chamber to support the substrate retainer from a lower portion of the substrate retainer, and configured to perform a heat exchange with a gas flowing in a downward direction from a side of the substrate retainer in the process chamber, wherein the first heat exchanger includes a hollow cylindrical insulating tube vertically extending in the downward direction and an insulating plate installed in the insulating tube, and regions in the insulating tube over and under the insulating plate are spatially connected to each other.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: December 29, 2015
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kenji Shirako, Takatomo Yamaguchi, Shuhei Saido, Akihiro Sato
  • Patent number: 9084298
    Abstract: There are provided a substrate processing apparatus capable of suppressing leakage of magnetic field during processing of a substrate.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: July 14, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Yukitomo Hirochi, Akinori Tanaka, Akihiro Sato, Takeshi Itoh, Daisuke Hara, Kenji Shirako, Kazuhiro Morimitsu, Masanao Fukuda
  • Patent number: 9074284
    Abstract: Provided is a heat treatment apparatus that can form films having a uniform thickness on a plurality of substrates. The heat treatment apparatus comprises a process chamber configured to grow silicon carbide (SiC) films on wafers, a boat configured to hold a plurality of wafers in a state where the wafers are vertically arranged and approximately horizontally oriented so as to hold the wafers in the process chamber, a heating unit installed in the process chamber, and a gas supply nozzle configured to supply a reaction gas. The heating unit comprises a susceptor configured to cover at least a part of the boat, and a susceptor wall disposed between the boat and the susceptor.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: July 7, 2015
    Assignee: HITACHI KOKUSAI ELECTRIC, INC.
    Inventors: Masanao Fukuda, Kenji Shirako, Akihiro Sato, Kazuhiro Morimitsu, Sadao Nakashima
  • Patent number: 8771416
    Abstract: A substrate processing apparatus comprises: a reaction chamber to process a substrate; a heating target object disposed in the reaction chamber to surround at least a region where the substrate is disposed, the heating target object having a cylindrical shape with a closed end; an insulator disposed between the reaction chamber and the heating target object to surround the heating target object, the insulator having a cylindrical shape with a closed end facing the closed end of the heating target object; an induction heating unit disposed outside the reaction chamber to surround at least the region where the substrate is disposed; a first gas supply system to supply at least a source gas into the reaction chamber; and a controller to control the first gas supply system so that the first gas supply system supplies at least the source gas into the reaction chamber for processing the substrate.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: July 8, 2014
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Shuhei Saido, Takatomo Yamaguchi, Kenji Shirako
  • Publication number: 20120214317
    Abstract: A substrate processing apparatus includes a processing chamber configured to process a plurality of substrates, a substrate holder accommodated within the processing chamber and configured to hold the substrates in a vertically spaced-apart relationship, a thermal insulation portion configured to support the substrate holder from below within the processing chamber, a heating unit provided to surround a substrate accommodating region within the processing chamber, and a gas supply system configured to supply a specified gas to at least a thermal insulation portion accommodating region within the processing chamber.
    Type: Application
    Filed: February 17, 2012
    Publication date: August 23, 2012
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Masaki Murobayashi, Takatomo Yamaguchi, Kenji Shirako, Shuhei Saido, Akihiro Sato, Yoshinori Imai