Patents by Inventor Yoshihiko Yanagisawa

Yoshihiko Yanagisawa 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: 20230307267
    Abstract: According to the present disclosure, there is provided a technique capable of preventing a substrate from being warped or cracked due to a heat treatment process. According to one aspect thereof, there is provided a substrate processing apparatus including: a process chamber in which a plurality of substrates accommodated in a substrate retainer are processed; an electromagnetic wave generator configured to supply an electromagnetic wave into the process chamber; and a gas supplier configured to supply a cooling gas is supplied to between adjacent substrates among the plurality of substrates via a plurality of gas supply ports provided so as to correspond to an interval of the plurality of substrates accommodated in the substrate retainer.
    Type: Application
    Filed: March 21, 2023
    Publication date: September 28, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Katsuhiko YAMAMOTO, Shuhei SAIDO, Takashi NAKAGAWA, Yoshihiko YANAGISAWA, Shinya SASAKI, Noriaki MICHITA
  • Publication number: 20220282369
    Abstract: There is provided a technique that includes: a process container processing one or more substrates; a support installed inside the process container and supporting the substrates on plane of the support; a first gas supplier capable of supplying first gas to first domain set in the process container; a second gas supplier capable of supplying second gas to second domain set in the process container; an exhaust buffer structure installed along outer circumference of the support; a first gas exhauster connected to the exhaust buffer structure and installed at downstream side of a flow of the first gas supplied from the first gas supplier; a second gas exhauster connected to the exhaust buffer structure and installed at a downstream side of a flow of the second gas supplied from the second gas supplier; and a third gas supplier capable of supplying a cleaning gas to the exhaust buffer structure.
    Type: Application
    Filed: February 28, 2022
    Publication date: September 8, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshihiko YANAGISAWA, Naofumi OHASHI, Tadashi TAKASAKI, Shun MATSUI
  • Patent number: 11309195
    Abstract: Described herein is a technique capable of processing a substrate uniformly using microwaves. According to one aspect of the technique of the present disclosure, there is provided a heating element used in a substrate processing apparatus configured to heat a substrate supported by a substrate retainer by microwaves and process the substrate, the heating element including a dielectric material of an annular shape capable of generating heat by the microwaves. An inner circumferential portion of the heating element is located outer than an outer circumferential portion of the substrate, and the heating element is supported by the substrate retainer without contacting the substrate.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: April 19, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshihiko Yanagisawa, Yukitomo Hirochi
  • Publication number: 20220093435
    Abstract: Described herein is a technique capable of uniformly processing a substrate. According to one aspect of the technique, there is provided a substrate processing apparatus including: a process chamber in which a substrate is processed; a microwave generator configured to supply a microwave to the process chamber to perform a heat treatment on the substrate; a substrate retainer configured to accommodate the substrate and a heat retainer provided above the substrate and retaining a temperature of the substrate heated by the microwave; and a first ring plate provided on an outer circumference of the heat retainer and whose outer diameter is greater than that of the substrate.
    Type: Application
    Filed: September 15, 2021
    Publication date: March 24, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kenji SHINOZAKI, Yoshihiko YANAGISAWA, Noriaki MICHITA, Shinya SASAKI, Shuhei SAIDO, Tetsuo YAMAMOTO
  • Patent number: 11265977
    Abstract: A process chamber configured to process at least one substrate; at least one heating device to heat the at least one substrate using an electromagnetic wave; a non-contact type temperature measurement device configured to measure a temperature of the at least one substrate; and a controller configured to acquire temperature data measured by the temperature measurement device, compare the measured temperature with a preset upper limit temperature and a preset lower limit temperature, lower an output of the at least one heating device or turn off a power supply of the at least one heating device when the measured temperature from the temperature data is higher than the upper limit temperature, and lower an output of the at least one heating device or turn off a power supply of the at least one heating device when the measured temperature from the temperature data is lower than the lower limit temperature.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: March 1, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yukitomo Hirochi, Yoshihiko Yanagisawa
  • Publication number: 20210407865
    Abstract: According to one aspect of the technique, there is provided a method of manufacturing a semiconductor device, including: (a) heating a heat insulating plate in a substrate retainer to a processing temperature by an electromagnetic wave, and measuring a temperature change of the heat insulating plate by a non-contact type thermometer until the processing temperature; (b) heating a test object provided with a chip that does not transmit a detection light of the thermometer and accommodated in the substrate retainer to the processing temperature, and measuring a temperature change of the chip by the thermometer until the processing temperature; (c) acquiring a correlation between the temperature change of the heat insulating plate and that of the chip based on measurement results; and (d) controlling a heater to heat the substrate based on the correlation and the temperature of the heat insulating plate measured by the thermometer.
    Type: Application
    Filed: September 13, 2021
    Publication date: December 30, 2021
    Inventors: Kenji SHINOZAKI, Tetsuo YAMAMOTO, Yukitomo HIROCHI, Yoshihiko YANAGISAWA, Naoki HARA, Masaaki UENO, Hideto YAMAGUCHI, Hitoshi MURATA, Shuhei SAIDO, Kazuhiro KIMURA
  • Patent number: 11177143
    Abstract: There is provided a technique that includes: a transfer chamber configured to transfer a substrate; at least two process chambers configured to process the substrate that is transferred from the transfer chamber by heating the substrate with a microwave generated from a heating device; and a cooling chamber spatially connected to the transfer chamber and disposed on a side wall of the transfer chamber between the at least two process chambers at an equal distance from the at least two process chambers, the cooling chamber including a first gas supplier configured to supply a purge gas that purges an internal atmosphere at a first gas flow rate and a first exhauster including an exhaust pipe configured to exhaust the purge gas, and the cooling chamber configured to cool the substrate heated by the microwave using the purge gas.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: November 16, 2021
    Assignee: Kokusai Electric Corporation
    Inventors: Yukitomo Hirochi, Takashi Nogami, Yoshihiko Yanagisawa
  • Patent number: 11127608
    Abstract: A heating element which is made of a material heated by absorbing an electromagnetic wave supplied from a heating device and which has an electromagnetic wave transmission region which transmits the electromagnetic wave and an electromagnetic wave non-transmission region which does not transmit the electromagnetic wave.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: September 21, 2021
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventor: Yoshihiko Yanagisawa
  • Publication number: 20210166945
    Abstract: According to one aspect of the technique, there is provided a substrate processing apparatus including: a process housing including a process chamber in which a substrate is processed; a transfer housing provided adjacent to the process housing and comprising a transfer chamber wherein the substrate is transferred between the process chamber and the transfer chamber; a microwave generator configured to transmit a microwave to be supplied into the process chamber; a loading/unloading port connecting between the process chamber and the transfer chamber and through which the substrate is transferred; an opening/closing structure configured to open or close the loading/unloading port; and a detection sensor provided in the transfer chamber adjacent to the loading/unloading port and configured to detect the microwave leaking to the transfer chamber from the process chamber through the loading/unloading port while the opening/closing structure maintains the loading/unloading port closed.
    Type: Application
    Filed: February 12, 2021
    Publication date: June 3, 2021
    Inventors: Yukitomo HIROCHI, Takashi NOGAMI, Norichika YAMAGISHI, Yoshihiko YANAGISAWA
  • Patent number: 11018033
    Abstract: There is provided a technique that includes a process chamber including a gate valve that opens and closes a loading and unloading port configured to load and unload a substrate, and configured to heat and process the substrate by a heater using a microwave; a substrate transfer chamber including a purge gas distribution mechanism configured to distribute a purge gas supplied from a clean unit capable of introducing the purge gas; a transfer machine installed inside the substrate transfer chamber and configured to transfer the substrate into the process chamber; and a substrate cooling mounting tool configured to cool the substrate transferred from the process chamber by the transfer machine.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: May 25, 2021
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yukitomo Hirochi, Kazuhiro Yuasa, Tetsuo Yamamoto, Yoshihiko Yanagisawa, Shinya Sasaki, Noriaki Michita
  • Publication number: 20200194287
    Abstract: There is provided a technique that includes: a transfer chamber configured to transfer a substrate; at least two process chambers configured to process the substrate that is transferred from the transfer chamber by heating the substrate with a microwave generated from a heating device; and a cooling chamber spatially connected to the transfer chamber and disposed on a side wall of the transfer chamber between the at least two process chambers at an equal distance from the at least two process chambers, the cooling chamber including a first gas supplier configured to supply a purge gas that purges an internal atmosphere at a first gas flow rate and a first exhauster including an exhaust pipe configured to exhaust the purge gas, and the cooling chamber configured to cool the substrate heated by the microwave using the purge gas.
    Type: Application
    Filed: February 20, 2020
    Publication date: June 18, 2020
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yukitomo HIROCHI, Takashi NOGAMI, Yoshihiko YANAGISAWA
  • Publication number: 20200152490
    Abstract: A heating element which is made of a material heated by absorbing an electromagnetic wave supplied from a heating device and which has an electromagnetic wave transmission region which transmits the electromagnetic wave and an electromagnetic wave non-transmission region which does not transmit the electromagnetic wave.
    Type: Application
    Filed: January 25, 2019
    Publication date: May 14, 2020
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventor: Yoshihiko YANAGISAWA
  • Publication number: 20190393056
    Abstract: There is provided a technique that includes a process chamber including a gate valve that opens and closes a loading and unloading port configured to load and unload a substrate, and configured to heat and process the substrate by a heater using a microwave; a substrate transfer chamber including a purge gas distribution mechanism configured to distribute a purge gas supplied from a clean unit capable of introducing the purge gas; a transfer machine installed inside the substrate transfer chamber and configured to transfer the substrate into the process chamber; and a substrate cooling mounting tool configured to cool the substrate transferred from the process chamber by the transfer machine.
    Type: Application
    Filed: September 6, 2019
    Publication date: December 26, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yukitomo HIROCHI, Kazuhiro YUASA, Tetsuo YAMAMOTO, Yoshihiko YANAGISAWA, Shinya SASAKI, Noriaki MICHITA
  • Publication number: 20190378731
    Abstract: Described herein is a technique capable of processing a substrate uniformly using microwaves. According to one aspect of the technique of the present disclosure, there is provided a heating element used in a substrate processing apparatus configured to heat a substrate supported by a substrate retainer by microwaves and process the substrate, the heating element including a dielectric material of an annular shape capable of generating heat by the microwaves. An inner circumferential portion of the heating element is located outer than an outer circumferential portion of the substrate, and the heating element is supported by the substrate retainer without contacting the substrate.
    Type: Application
    Filed: August 23, 2019
    Publication date: December 12, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshihiko YANAGISAWA, Yukitomo HIROCHI
  • Publication number: 20190182915
    Abstract: A process chamber configured to process at least one substrate; at least one heating device to heat the at least one substrate using an electromagnetic wave; a non-contact type temperature measurement device configured to measure a temperature of the at least one substrate; and a controller configured to acquire temperature data measured by the temperature measurement device, compare the measured temperature with a preset upper limit temperature and a preset lower limit temperature, lower an output of the at least one heating device or turn off a power supply of the at least one heating device when the measured temperature from the temperature data is higher than the upper limit temperature, and lower an output of the at least one heating device or turn off a power supply of the at least one heating device when the measured temperature from the temperature data is lower than the lower limit temperature.
    Type: Application
    Filed: February 20, 2019
    Publication date: June 13, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yukitomo HIROCHI, Yoshihiko YANAGISAWA
  • Publication number: 20170186634
    Abstract: A substrate processing apparatus, including: a process chamber configured to process a substrate, a transfer chamber adjoining the process chamber, a shaft installed in the transfer chamber, a substrate mounting stand connected to the shaft and including a heating part, a first thermal insulation part installed in a wall of the transfer chamber at a side of the process chamber, and a second thermal insulation part installed in the shaft at a side of the substrate mounting stand.
    Type: Application
    Filed: March 16, 2016
    Publication date: June 29, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshihiko YANAGISAWA, Masaaki UENO, Naofumi OHASHI
  • Patent number: 9546422
    Abstract: A semiconductor device manufacturing method includes: a step wherein a processing substrate to be processed is placed on a substrate mounting member that is provided in a processing chamber having a plurality of gas supply regions; a film-forming step wherein a processing gas is supplied to the processing chamber, and the substrate is processed; a step wherein the substrate is carried out from the processing chamber; and a cleaning step wherein the density of the cleaning gas is controlled, while controlling cleaning gas quantities in the gas supply regions, respectively, in a state wherein the substrate is not placed in the processing chamber.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: January 17, 2017
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshihiko Yanagisawa, Tetsuaki Inada
  • Publication number: 20160379848
    Abstract: A substrate processing apparatus includes: a processing chamber for processing a substrate; a substrate holding part whereon the substrate is placed; an elevating mechanism to move the substrate holding part vertically; a first gas supply system to supply a halogen-containing process gas to the substrate; a second gas supply system to supply an inert gas to the substrate; an exhaust unit to exhaust the process and inert gases; and a controller to control the elevating mechanism and the gas supply systems to: supply the process gas with a state where heights of the substrate holding part and exhaust unit are adjusted; and supply the inert gas to a center portion of the substrate from thereabove such that the inert gas flows radially from the center portion to a circumference of the substrate along a surface of the substrate and is exhausted out of the processing chamber through the exhaust unit.
    Type: Application
    Filed: September 8, 2016
    Publication date: December 29, 2016
    Inventors: Yoshihiko YANAGISAWA, Hidehiro YANAI
  • Patent number: 9518321
    Abstract: Embodiments of the invention relate to apparatuses and methods for depositing materials on substrates during atomic layer deposition processes. In one embodiment, a substrate processing apparatus comprises a chamber lid assembly including a first heating member, a susceptor positioned proximal to the chamber lid assembly, wherein the susceptor includes a second heating member for heating the substrate, a process chamber accommodating at least the chamber lid assembly and the susceptor and a controller configured to control the first heating member so as to refrain the conduction of heat energy generated by the second heating member from the susceptor to the chamber lid assembly.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: December 13, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Mitsuro Tanabe, Yoshihiko Yanagisawa, Kazuhiro Yuasa, Masanori Sakai, Yasutoshi Tsubota
  • Publication number: 20160079101
    Abstract: The present invention provides a structure and a technique through which a reaction heat generated in a substrate process can be absorbed in a low temperature range and a temperature of a substrate support (susceptor) can remain at a predetermined temperature or less. There is provided a substrate processing apparatus including: a substrate support including a heater and a cooling channel; a heater power supply; a thermal detector; a coolant supply unit; a controller configured to control the heater power supply and the coolant supply unit to: supply a first power to the heater without a substrate placed on the substrate support while supplying the coolant to the cooling channel; and supply a second power to the heater with the substrate placed on the substrate support while supplying the coolant to the cooling channel.
    Type: Application
    Filed: September 9, 2015
    Publication date: March 17, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hidehiro YANAI, Yoshihiko YANAGISAWA, Yasutoshi TSUBOTA