Patents by Inventor Yukinao Kaga

Yukinao Kaga 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: 11876010
    Abstract: There is provided a configuration that includes a substrate holder configured to hold substrates; a transfer mechanism configured to transfer the substrates to the substrate holder; and a controller configured to: acquire a number of substrates mountable on the substrate holder and a number of the product substrates to be mounted on the substrate holder; divide the product substrates into product substrate groups; divide the dummy substrates into dummy substrate groups based on the number of the product substrates, the number of the substrates mountable on the substrate holder, and a number of the product substrate groups; combine the product substrate groups and the dummy substrate groups; create substrate arrangement data for distributing and mounting the product substrates on the substrate holder; and cause the transfer mechanism to transfer the substrates according to the substrate arrangement data.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: January 16, 2024
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Tadashi Okazaki, Hajime Abiko, Tomoyuki Miyada, Yukinao Kaga
  • Patent number: 11854850
    Abstract: Described herein is a technique capable of improving the controllability of a thickness of a film formed on a large surface area substrate having a surface area greater than a surface area of a bare substrate and improving the thickness uniformity between films formed on a plurality of large surface area substrates accommodated in a substrate loading region by reducing the influence of the surface area of the large surface area substrate and the number of the large surface area substrates due to a loading effect even when the plurality of large surface area substrates are batch-processed using a batch type processing furnace.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: December 26, 2023
    Assignee: Kokusai Electric Corporation
    Inventors: Yukinao Kaga, Ryosuke Yoshida
  • Publication number: 20210395891
    Abstract: Described herein is a technique capable of improving characteristics of a film. According to one or more embodiments of the present disclosure, there is provided a technique that includes: (a) performing (a-1) supplying in parallel a metal-containing gas and a reducing gas that contains silicon and hydrogen and is free of halogen to a substrate in a process chamber, and (a-2) exhausting an inner atmosphere of the process chamber; (b) repeatedly performing (a) a first number of times; (c) supplying a nitrogen-containing gas to the substrate in the process chamber and exhausting the inner atmosphere of the process chamber after performing (b); and (d) repeatedly performing (a) a second number of times.
    Type: Application
    Filed: September 3, 2021
    Publication date: December 23, 2021
    Inventors: Takuya JODA, Yukinao KAGA, Yoshimasa NAGATOMI
  • Patent number: 11031270
    Abstract: A substrate processing apparatus, includes: a substrate holder including at least one support column to which a mounting part on which a substrate is mounted is attached and at least one auxiliary support column to which the mounting part is not attached, wherein the substrate holder is configured such that a diameter of the auxiliary support column is smaller than a diameter of the support column, and wherein the substrate holder is configured such that when the substrate is held by the mounting part, an end portion of the substrate and each of the support column is spaced apart from each other by a predetermined length.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: June 8, 2021
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Atsushi Hirano, Yuji Takebayashi, Yukinao Kaga, Masanori Sakai, Masakazu Shimada
  • Patent number: 11004676
    Abstract: A method for improving a film formation rate and forming a film having a high dry etching resistance is disclosed. The method includes forming a metal nitride layer containing the metal element and the nitrogen element by performing a predetermined number of times in a time division manner supplying a halogen-based source gas containing the metal element to the substrate and supplying a reaction gas containing the nitrogen element and reacting with the metal element to the substrate; and forming a metal carbonitride layer containing the metal element, the carbon element, and the nitrogen element by performing a predetermined number of times in a time division manner supplying an organic-based source gas containing the metal element and the carbon element to the substrate and supplying the reaction gas to the substrate.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: May 11, 2021
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Arito Ogawa, Yukinao Kaga, Kazuhiro Harada, Motomu Degai
  • Publication number: 20200411330
    Abstract: There is provided a technique that includes (a) supplying a precursor gas and an inert gas to a substrate in a process chamber, (b) removing the precursor gas remaining in the process chamber by supplying the inert gas to the substrate in a state where the supply of the precursor gas is stopped, (c) supplying a reaction gas and the inert gas to the substrate, and (d) removing the reaction gas remaining in the process chamber by supplying the inert gas to the substrate in a state where the supply of the reaction gas is stopped, wherein (d) includes a timing at which a flow rate of the inert gas becomes lower than a flow rate of the inert gas supplied in (c).
    Type: Application
    Filed: September 9, 2020
    Publication date: December 31, 2020
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Ryosuke YOSHIDA, Yukinao KAGA
  • Publication number: 20200219745
    Abstract: There is provided a configuration that includes a substrate holder configured to hold substrates; a transfer mechanism configured to transfer the substrates to the substrate holder; and a controller configured to: acquire a number of substrates mountable on the substrate holder and a number of the product substrates to be mounted on the substrate holder; divide the product substrates into product substrate groups; divide the dummy substrates into dummy substrate groups based on the number of the product substrates, the number of the substrates mountable on the substrate holder, and a number of the product substrate groups; combine the product substrate groups and the dummy substrate groups; create substrate arrangement data for distributing and mounting the product substrates on the substrate holder; and cause the transfer mechanism to transfer the substrates according to the substrate arrangement data.
    Type: Application
    Filed: March 17, 2020
    Publication date: July 9, 2020
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Tadashi OKAZAKI, Hajime ABIKO, Tomoyuki MIYADA, Yukinao KAGA
  • Publication number: 20200144082
    Abstract: Described herein is a technique capable of improving the controllability of a thickness of a film formed on a large surface area substrate having a surface area greater than a surface area of a bare substrate and improving the thickness uniformity between films formed on a plurality of large surface area substrates accommodated in a substrate loading region by reducing the influence of the surface area of the large surface area substrate and the number of the large surface area substrates due to a loading effect even when the plurality of large surface area substrates are batch-processed using a batch type processing furnace.
    Type: Application
    Filed: December 23, 2019
    Publication date: May 7, 2020
    Inventors: Yukinao KAGA, Ryosuke YOSHIDA
  • Patent number: 10640869
    Abstract: A method of manufacturing a semiconductor device, includes: supplying precursor gas into process chamber in which plural substrates are accommodated by sequentially performing: supplying inert gas at first inert gas flow rate from first nozzle into the process chamber; supplying the inert gas at second inert gas flow rate higher than the first inert gas flow rate from the first nozzle into the process chamber while supplying precursor gas from the first nozzle into the process chamber; and supplying the inert gas at the first inert gas flow rate from the first nozzle into the process chamber while the process chamber is evacuated from an upstream side of flow of the precursor gas; stopping supply of the precursor gas; removing the precursor gas remaining in the process chamber; supplying reaction gas from a second nozzle into the process chamber; and removing the reaction gas remaining in the process chamber.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: May 5, 2020
    Assignee: Kokusai Electric Corporation
    Inventors: Kazuyuki Okuda, Masayoshi Minami, Yoshinobu Nakamura, Kosuke Takagi, Yukinao Kaga, Yuji Takebayashi
  • Publication number: 20200135506
    Abstract: Described herein is a technique capable of improving the controllability of a thickness of a film formed on a large surface area substrate having a surface area greater than a surface area of a bare substrate and improving the thickness uniformity between films formed on a plurality of large surface area substrates accommodated in a substrate loading region by reducing the influence of the surface area of the large surface area substrate and the number of the large surface area substrates due to a loading effect even when the plurality of large surface area substrates are batch-processed using a batch type processing furnace.
    Type: Application
    Filed: December 23, 2019
    Publication date: April 30, 2020
    Inventors: Yukinao KAGA, Ryosuke YOSHIDA
  • Patent number: 10622213
    Abstract: A method of manufacturing a semiconductor device, includes rotating a substrate support tool accommodated in a process chamber and configured to support a substrate with a rail, and supplying a process gas including a first gas to the substrate from a first gas supply hole positioned at an outer side of the substrate in a horizontal direction while rotating the substrate support tool. In the act of supplying the process gas, the first gas is supplied to the substrate in a first period in which the rail is not positioned between the first gas supply hole and the substrate in the horizontal direction.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: April 14, 2020
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventor: Yukinao Kaga
  • Patent number: 10559485
    Abstract: Described herein is a technique capable of improving the controllability of a thickness of a film formed on a large surface area substrate having a surface area greater than a surface area of a bare substrate and improving the thickness uniformity between films formed on a plurality of large surface area substrates accommodated in a substrate loading region by reducing the influence of the surface area of the large surface area substrate and the number of the large surface area substrates due to a loading effect even when the plurality of large surface area substrates are batch-processed using a batch type processing furnace.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: February 11, 2020
    Assignee: Kokusai Electric Corporation
    Inventors: Yukinao Kaga, Ryosuke Yoshida
  • Patent number: 10388530
    Abstract: Provided is a technique of adjusting a work function. A method of manufacturing a semiconductor device includes: (a) forming a titanium nitride layer on a substrate by supplying a first source containing titanium and a second source containing nitrogen to the substrate; (b) forming a titanium aluminum carbonitride layer on the substrate by supplying the first source, the second source and a third source containing aluminum and carbon to the substrate; (c) forming a laminated film on the substrate by performing (a) and (b); and (d) adjusting ratios of titanium, nitrogen, aluminum and carbon in the laminated film based on how many times (a) and (b) are performed.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: August 20, 2019
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Arito Ogawa, Kazuhiro Harada, Yukinao Kaga, Hideharu Itatani, Hiroshi Ashihara
  • Patent number: 10366894
    Abstract: A method for manufacturing a semiconductor device, including: forming a metal carbide film including a first metal element and a second metal element on a substrate, by time-divisionally performing, supplying a first precursor gas containing the first metal element and not containing carbon to the substrate, supplying a second precursor gas containing the second metal element differing from the first metal element and not containing carbon to the substrate, and supplying a reaction gas containing carbon to the substrate.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: July 30, 2019
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yukinao Kaga, Arito Ogawa
  • Publication number: 20190157089
    Abstract: Provided is a technique of adjusting a work function. A method of manufacturing a semiconductor device includes: (a) forming a titanium nitride layer on a substrate by supplying a first source containing titanium and a second source containing nitrogen to the substrate; (b) forming a titanium aluminum carbonitride layer on the substrate by supplying the first source, the second source and a third source containing aluminum and carbon to the substrate; (c) forming a laminated film on the substrate by performing (a) and (b); and (d) adjusting ratios of titanium, nitrogen, aluminum and carbon in the laminated film based on how many times (a) and (b) are performed.
    Type: Application
    Filed: January 4, 2019
    Publication date: May 23, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Arito OGAWA, Kazuhiro HARADA, Yukinao KAGA, Hideharu ITATANI, Hiroshi ASHIHARA
  • Publication number: 20190096663
    Abstract: A method for improving a film formation rate and forming a film having a high dry etching resistance is disclosed. The method includes forming a metal nitride layer containing the metal element and the nitrogen element by performing a predetermined number of times in a time division manner supplying a halogen-based source gas containing the metal element to the substrate and supplying a reaction gas containing the nitrogen element and reacting with the metal element to the substrate; and forming a metal carbonitride layer containing the metal element, the carbon element, and the nitrogen element by performing a predetermined number of times in a time division manner supplying an organic-based source gas containing the metal element and the carbon element to the substrate and supplying the reaction gas to the substrate.
    Type: Application
    Filed: September 19, 2018
    Publication date: March 28, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Arito OGAWA, Yukinao KAGA, Kazuhiro HARADA, Motomu DEGAI
  • Publication number: 20190093224
    Abstract: A technique capable of adjusting a thickness balance of a film between substrates stacked in a process chamber of a substrate processing apparatus, includes a method of manufacturing a semiconductor device, including: (a) supplying source gas to substrates through a first nozzle vertically disposed along a stacking direction of the substrates in a process chamber where the substrates are stacked and accommodated; and (b) supplying reactive gas to the substrates through a second nozzle provided with opening portions and vertically disposed along the stacking direction of the substrates in the process chamber while adjusting a partial pressure balance of the reactive gas in the stacking direction of the substrates to a desired state along the stacking direction of the substrates, wherein an opening area of each of the opening portions increases along a direction from an upstream side to a downstream side of the second nozzle.
    Type: Application
    Filed: September 20, 2018
    Publication date: March 28, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Ryosuke YOSHIDA, Yukinao KAGA, Yuji TAKEBAYASHI, Masanori SAKAI, Atsushi HIRANO
  • Publication number: 20190093222
    Abstract: A method of manufacturing a semiconductor device, includes: supplying precursor gas into process chamber in which plural substrates are accommodated by sequentially performing: supplying inert gas at first inert gas flow rate from first nozzle into the process chamber; supplying the inert gas at second inert gas flow rate higher than the first inert gas flow rate from the first nozzle into the process chamber while supplying precursor gas from the first nozzle into the process chamber; and supplying the inert gas at the first inert gas flow rate from the first nozzle into the process chamber while the process chamber is evacuated from an upstream side of flow of the precursor gas; stopping supply of the precursor gas; removing the precursor gas remaining in the process chamber; supplying reaction gas from a second nozzle into the process chamber; and removing the reaction gas remaining in the process chamber.
    Type: Application
    Filed: September 20, 2018
    Publication date: March 28, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kazuyuki OKUDA, Masayoshi MINAMI, Yoshinobu NAKAMURA, Kosuke TAKAGI, Yukinao KAGA, Yuji TAKEBAYASHI
  • Publication number: 20180374734
    Abstract: A substrate processing apparatus, includes: a substrate holder including at least one support column to which a mounting part on which a substrate is mounted is attached and at least one auxiliary support column to which the mounting part is not attached, wherein the substrate holder is configured such that a diameter of the auxiliary support column is smaller than a diameter of the support column, and wherein the substrate holder is configured such that when the substrate is held by the mounting part, an end portion of the substrate and each of the support column is spaced apart from each other by a predetermined length.
    Type: Application
    Filed: August 10, 2018
    Publication date: December 27, 2018
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Atsushi HIRANO, Yuji TAKEBAYASHI, Yukinao KAGA, Masanori SAKAI, Masakazu SHIMADA
  • Publication number: 20180350638
    Abstract: Described herein is a technique capable of improving the controllability of a thickness of a film formed on a large surface area substrate having a surface area greater than a surface area of a bare substrate and improving the thickness uniformity between films formed on a plurality of large surface area substrates accommodated in a substrate loading region by reducing the influence of the surface area of the large surface area substrate and the number of the large surface area substrates due to a loading effect even when the plurality of large surface area substrates are batch-processed using a batch type processing furnace.
    Type: Application
    Filed: August 9, 2018
    Publication date: December 6, 2018
    Inventors: Yukinao KAGA, Ryosuke YOSHIDA