Patents by Inventor Kazuyuki Toyoda

Kazuyuki Toyoda 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: 20240222086
    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: March 18, 2024
    Publication date: July 4, 2024
    Inventors: Kazuyuki TOYODA, Atsushi UMEKAWA, Makoto KAWABATA, Koji SHIBATA
  • Patent number: 11104995
    Abstract: Disclosed is a substrate processing apparatus capable of improving the characteristic of a film formed on the surface of a wafer, using a single-wafer type substrate processing apparatus which heats and processes a wafer. The substrate processing apparatus may include: a processing vessel where a substrate is processed; a substrate supporter including: a first heater configured to heat the substrate to a first temperature; and a substrate placing surface where the substrate is placed; a heated gas supply system including a second heater configured to heat an inert gas, wherein the heated gas supply system is configured to supply a heated inert gas into the processing vessel; and a controller configured to control the first heater and the second heater such that a temperature of a front surface of the substrate and a temperature of a back surface of the substrate are in a predetermined range.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: August 31, 2021
    Assignee: Kokusai Electric Corporation
    Inventors: Takashi Yahata, Satoshi Takano, Kazuyuki Toyoda, Naofumi Ohashi, Tadashi Takasaki
  • Patent number: 10943806
    Abstract: A substrate processing technique includes: a first heating device configured to heat a substrate to a first processing temperature; a first process chamber provided with the first heating device; a second heating device configured to heat the substrate to a second processing temperature utilizing microwaves, the second processing temperature being higher than the first processing temperature; a second process chamber provided with the second heating device; a substrate placement portion configured to load and unload the substrate with respect to the first process chamber and the second process chamber by placing and rotating the substrate; and a controller configured to respectively control the first heating device, the second heating device, and the substrate placement portion.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: March 9, 2021
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kazuyuki Toyoda, Kazuhiro Yuasa, Tetsuo Yamamoto
  • Patent number: 10818476
    Abstract: There is provided a substrate processing apparatus which includes: a processing container in which a substrate is accommodated; a substrate supporting part configured to support the substrate inside the processing container and including a support electrode; an upper electrode installed to face the substrate supporting part; a first impedance control part having one end connected to the upper electrode; a second impedance control part having one end connected to the support electrode; a processing gas supply part configured to supply a processing gas to the substrate; an activation part configured to activate the processing gas, the activation part being installed outside the processing container and being connected to a power supply part via an insulating part; and a third impedance control part having one end connected between the insulating part and the activation part.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: October 27, 2020
    Assignee: Kokusai Electric Corporation
    Inventors: Kazuyuki Toyoda, Naofumi Ohashi
  • Publication number: 20190393057
    Abstract: A substrate processing apparatus includes: a single frequency process chamber installed inside a process module and for processing a substrate on which an insulating film is formed; a two-frequency process chamber installed adjacent to the single frequency process chamber inside the process module and for processing the substrate processed in the single frequency process chamber; a gas supply part configured to supply a silicon-containing gas containing at least silicon and an impurity to each of the process chambers; a plasma generation part connected to each of the process chambers; an ion control part connected to the two-frequency process chamber; a substrate transfer part installed inside the process module and configured to transfer the substrate between the single frequency process chamber and the two-frequency process chamber; and a controller configured to control at least the gas supply part, the plasma generation part, the ion control part, and the substrate transfer part.
    Type: Application
    Filed: September 4, 2019
    Publication date: December 26, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Satoshi SHIMAMOTO, Hiroshi ASHIHARA, Kazuyuki TOYODA, Naofumi OHASHI
  • Publication number: 20190221468
    Abstract: Described herein is a technique capable of adjusting a plasma distribution of a processing region. According to one aspect of the technique of the present disclosure, there is provided a substrate processing apparatus including: a substrate support configured to support a substrate; a dividing structure defining a processing region in a space facing the substrate support; a gas supply unit supplying a processing gas into the processing region; and a plasma generating unit generating an active species by plasmatizing the processing gas supplied into the processing region by the gas supply unit, and to control an activity of the active species independently for each portion of the processing region when plasmatizing the processing gas, wherein the plasma generating unit includes: a high frequency power supply unit installed in each portion of the processing region; and an impedance adjusting unit installed to correspond to the high frequency power supply unit.
    Type: Application
    Filed: March 28, 2019
    Publication date: July 18, 2019
    Inventors: Naofumi OHASHI, Kazuyuki TOYODA, Shun MATSUI
  • Publication number: 20190218664
    Abstract: A substrate processing apparatus includes a substrate mounting table on which a substrate is mounted, a process chamber including the substrate mounting table, a gas supply unit configured to supply a gas into the process chamber, and a plasma generating unit configured to convert the gas supplied into the process chamber from the gas supply unit into a plasma state. The plasma generating unit includes a plasma generating chamber configured to serve as a flow path of the gas supplied into the process chamber from the gas supply unit, and a plasma generating conductor configured by a conductor disposed to surround the plasma generating chamber. The plasma generating conductor includes a plurality of main conductor parts extending along a mainstream direction of the gas within the plasma generating chamber, and a plurality of connection conductor parts configured to electrically connect the plurality of main conductor parts with each other.
    Type: Application
    Filed: March 27, 2019
    Publication date: July 18, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Tetsuo YAMAMOTO, Kazuyuki TOYODA, Shun MATSUI
  • Patent number: 10224227
    Abstract: Described herein is a technique capable of improving the uniformity of device characteristics. According to the technique described herein, there is provided a method of processing a substrate, including: (a) loading a substrate having a patterned hard mask into a process chamber; (b) supplying a metal-containing gas at a first pressure into the process chamber; and (c) supplying an inert gas into the process chamber and storing the metal-containing gas at a second pressure lower than the first pressure after performing (b).
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: March 5, 2019
    Assignee: Hitachi Kokusai Electric, Inc.
    Inventors: Naofumi Ohashi, Satoshi Takano, Kazuyuki Toyoda, Shun Matsui
  • Publication number: 20190006218
    Abstract: A substrate processing technique includes: a first heating device configured to heat a substrate to a first processing temperature; a first process chamber provided with the first heating device; a second heating device configured to heat the substrate to a second processing temperature utilizing microwaves, the second processing temperature being higher than the first processing temperature; a second process chamber provided with the second heating device; a substrate placement portion configured to load and unload the substrate with respect to the first process chamber and the second process chamber by placing and rotating the substrate; and a controller configured to respectively control the first heating device, the second heating device, and the substrate placement portion.
    Type: Application
    Filed: August 14, 2018
    Publication date: January 3, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kazuyuki TOYODA, Kazuhiro YUASA, Tetsuo YAMAMOTO
  • Patent number: 10115583
    Abstract: There is provided a method of manufacturing a semiconductor device which includes: supplying a process gas to a process chamber in a state in which a substrate with an insulating film formed thereon is mounted on a substrate support part inside the process chamber; supplying a first power from a plasma generation part to the process chamber to generate plasma and forming a first silicon nitride layer on the insulating film; and supplying a second power from an ion control part to the process chamber in parallel with the generation of plasma, to form a second silicon nitride layer having lower stress than that of the first silicon nitride layer on the first silicon nitride layer.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: October 30, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Satoshi Shimamoto, Hiroshi Ashihara, Kazuyuki Toyoda, Naofumi Ohashi
  • Publication number: 20180286727
    Abstract: Described herein is a technique capable of improving the uniformity of device characteristics. According to the technique described herein, there is provided a method of processing a substrate, including: (a) loading a substrate having a patterned hard mask into a process chamber; (b) supplying a metal-containing gas at a first pressure into the process chamber; and (c) supplying an inert gas into the process chamber and storing the metal-containing gas at a second pressure lower than the first pressure after performing (b).
    Type: Application
    Filed: March 9, 2018
    Publication date: October 4, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Naofumi OHASHI, Satoshi TAKANO, Kazuyuki TOYODA, Shun MATSUI
  • Publication number: 20180277405
    Abstract: A substrate processing apparatus includes: a single frequency process chamber installed inside a process module and for processing a substrate on which an insulating film is formed; a two-frequency process chamber installed adjacent to the single frequency process chamber inside the process module and for processing the substrate processed in the single frequency process chamber; a gas supply part configured to supply a silicon-containing gas containing at least silicon and an impurity to each of the process chambers; a plasma generation part connected to each of the process chambers; an ion control part connected to the two-frequency process chamber; a substrate transfer part installed inside the process module and configured to transfer the substrate between the single frequency process chamber and the two-frequency process chamber; and a controller configured to control at least the gas supply part, the plasma generation part, the ion control part, and the substrate transfer part.
    Type: Application
    Filed: August 28, 2017
    Publication date: September 27, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Satoshi SHIMAMOTO, Hiroshi ASHIHARA, Kazuyuki TOYODA, Naofumi OHASHI
  • Publication number: 20180233348
    Abstract: There is provided a method of manufacturing a semiconductor device which includes: supplying a process gas to a process chamber in a state in which a substrate with an insulating film formed thereon is mounted on a substrate support part inside the process chamber; supplying a first power from a plasma generation part to the process chamber to generate plasma and forming a first silicon nitride layer on the insulating film; and supplying a second power from an ion control part to the process chamber in parallel with the generation of plasma, to form a second silicon nitride layer having lower stress than that of the first silicon nitride layer on the first silicon nitride layer.
    Type: Application
    Filed: August 28, 2017
    Publication date: August 16, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Satoshi SHIMAMOTO, Hiroshi ASHIHARA, Kazuyuki TOYODA, Naofumi OHASHI
  • Publication number: 20180226228
    Abstract: There is provided a substrate processing apparatus which includes: a processing container in which a substrate is accommodated; a substrate supporting part configured to support the substrate inside the processing container and including a support electrode; an upper electrode installed to face the substrate supporting part; a first impedance control part having one end connected to the upper electrode; a second impedance control part having one end connected to the support electrode; a processing gas supply part configured to supply a processing gas to the substrate; an activation part configured to activate the processing gas, the activation part being installed outside the processing container and being connected to a power supply part via an insulating part; and a third impedance control part having one end connected between the insulating part and the activation part.
    Type: Application
    Filed: September 6, 2017
    Publication date: August 9, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kazuyuki TOYODA, Naofumi OHASHI
  • Patent number: 10032630
    Abstract: There is provided a technique for facilitating a patterning process by the DSA appropriately and efficiently. According to the technique described herein, there is provided a method of manufacturing a semiconductor device, including (a) accommodating in a process chamber a substrate having a guide pattern thereon; (b) supplying a plasma of a first process gas into the process chamber to subject the substrate to first one of a first process for hydrophilizing the substrate and a second process for hydrophobilizing the substrate; and (c) supplying a plasma of a second process gas into the process chamber to subject the substrate to second one of the first process and the second process other than the first one of the first process and the second process.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: July 24, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Katsuhiko Yamamoto, Hajime Karasawa, Kazuyuki Toyoda
  • Patent number: 9991179
    Abstract: Provided is a technique capable of obtaining a satisfactory yield for a semiconductor device with an air gap. The technique includes a method of manufacturing a semiconductor device, including: (a) receiving a thickness information of a wiring layer formed on a substrate including: a first interlayer insulation film; and the wiring layer disposed on the first interlayer insulation film, the wiring layer including: copper-containing films used as wiring; and an inter-wiring insulation film having trenches filled with the copper-containing films and insulating the copper-containing films; (b) placing the substrate on a substrate support installed in a process chamber; and (c) etching the wiring layer using an etching gas based on an etching control value corresponding to the thickness information of the wiring layer.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: June 5, 2018
    Assignee: Hitachi Kokusai Electric, Inc.
    Inventors: Naofumi Ohashi, Kazuyuki Toyoda, Satoshi Shimamoto, Toshiyuki Kikuchi
  • Publication number: 20170358506
    Abstract: Provided is a technique capable of obtaining a satisfactory yield for a semiconductor device with an air gap. The technique includes a method of manufacturing a semiconductor device, including: (a) receiving a thickness information of a wiring layer formed on a substrate including: a first interlayer insulation film; and the wiring layer disposed on the first interlayer insulation film, the wiring layer including: copper-containing films used as wiring; and an inter-wiring insulation film having trenches filled with the copper-containing films and insulating the copper-containing films; (b) placing the substrate on a substrate support installed in a process chamber; and (c) etching the wiring layer using an etching gas based on an etching control value corresponding to the thickness information of the wiring layer.
    Type: Application
    Filed: September 14, 2016
    Publication date: December 14, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Naofumi OHASHI, Kazuyuki TOYODA, Satoshi SHIMAMOTO, Toshiyuki KIKUCHI
  • Patent number: 9818630
    Abstract: A substrate processing apparatus includes a first reaction chamber including: a first heating unit, a first processing space, and a first transfer space disposed under the first processing space, a second reaction chamber including: a second heating unit, a second processing space, and a second transfer space disposed under the second processing space; a first sidewall and a second sidewall defining the first reaction chamber and the second reaction chamber, wherein the first sidewall is shared by the first reaction chamber and the second reaction chamber, and a cooling channel disposed in the first sidewall and the second sidewall such that a cooling efficiency of the first sidewall is higher than that of the second sidewall, wherein the first reaction chamber and the second reaction chamber are disposed adjacent to each other with the first sidewall therebetween.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: November 14, 2017
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Akira Takahashi, Kazuyuki Toyoda
  • Publication number: 20170283945
    Abstract: A substrate processing apparatus includes: a process chamber where a substrate is processed; a substrate support, disposed in the process chamber, where the substrate is placed; a transfer chamber disposed under the process chamber; a partition dividing the process and transfer chambers; a first heating unit disposed in the substrate support to heat the substrate and the process chamber; a second heating unit disposed in the transfer chamber to heat the transfer chamber; a process gas supply unit to supply a process gas into the process chamber; a first cleaning gas supply unit to supply a cleaning gas into the process chamber; a second cleaning gas supply unit to supply the cleaning gas into the transfer chamber; and a control unit to control the first heating unit, the second heating unit, the process gas supply unit, the first cleaning gas supply unit and the second cleaning gas supply unit.
    Type: Application
    Filed: July 6, 2016
    Publication date: October 5, 2017
    Inventors: Takashi YAHATA, Satoshi TAKANO, Kazuyuki TOYODA, Shun MATSUI
  • Publication number: 20170283949
    Abstract: Disclosed is a substrate processing apparatus capable of improving the characteristic of a film formed on the surface of a wafer, using a single-wafer type substrate processing apparatus which heats and processes a wafer. The substrate processing apparatus may include: a processing vessel where a substrate is processed; a substrate supporter including: a first heater configured to heat the substrate to a first temperature; and a substrate placing surface where the substrate is placed; a heated gas supply system including a second heater configured to heat an inert gas, wherein the heated gas supply system is configured to supply a heated inert gas into the processing vessel; and a controller configured to control the first heater and the second heater such that a temperature of a front surface of the substrate and a temperature of a back surface of the substrate are in a predetermined range.
    Type: Application
    Filed: March 13, 2017
    Publication date: October 5, 2017
    Inventors: Takashi YAHATA, Satoshi TAKANO, Kazuyuki TOYODA, Naofumi OHASHI, Tadashi TAKASAKI