Patents by Inventor Shingo Nohara

Shingo Nohara 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: 20240003005
    Abstract: There is provided a technique, which includes: dividing an inside of a process chamber, into which a cleaning gas is to be supplied, into three or more zones in a gas flow direction and heating the inside of the process chamber such that, in the process chamber, a temperature difference between a zone positioned on an upstream side in the gas flow direction and a zone adjacent to the zone positioned on the upstream side is greater than a temperature difference between a zone positioned on a downstream side in the gas flow direction and a zone adjacent to the zone positioned on the downstream side; and supplying the cleaning gas into the process chamber after the act of heating.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Applicant: Kokusai Electric Corporation
    Inventors: Yasunobu KOSHI, Yuji URANO, Shingo NOHARA, Kazuhiro HARADA
  • Publication number: 20230402281
    Abstract: Included are processes of (a) supplying a film-forming gas into a processing container in which a substrate is accommodated to form a film on the substrate, (b) supplying a fluorine-containing gas into the processing container in which the substrate is not accommodated to remove a deposit including the film adhered to the inside of the processing container, (c) supplying a precoat gas into the processing container in which the substrate is not accommodated and from which the deposit is removed to form a precoat film in the processing container, and (d) supplying a film-forming gas into the processing container in which a substrate is accommodated and in which the precoat film is formed to form a film on the substrate, in which, in (c), a film thickness distribution of the precoat film is adjusted in accordance with a distribution of a residual fluorine concentration in the processing container.
    Type: Application
    Filed: August 25, 2023
    Publication date: December 14, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Yasunobu Koshi, Kazuhiro Harada, Yuji Urano, Shingo Nohara
  • Publication number: 20230317447
    Abstract: There is provided a technique including: forming a first film containing first element and second element; and forming a second film adjacent to the first film and containing the first element and the second element being different in characteristics from the first film, wherein one of the first and second films is formed by performing a first cycle a predetermined number of times, the first cycle including performing: (a1) supplying a first precursor gas containing the first element; and (b1) supplying a first reaction gas containing the second element, and wherein the other of the first and second films is formed by performing a second cycle a predetermined number of times, the second cycle including performing: (a2) supplying a second precursor gas containing the first element and being higher in a thermal decomposition temperature than the first precursor gas; and (b2) supplying a second reaction gas containing the second element.
    Type: Application
    Filed: December 22, 2022
    Publication date: October 5, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Shingo NOHARA, Kiyohisa ISHIBASHI, Takafumi NITTA, Kimihiko NAKATANI
  • Publication number: 20230220546
    Abstract: There is provided a technique of cleaning an inside of a process container, including: (a) removing substances adhered in a process container set at a first temperature by supplying a first gas at a first flow rate into the process container and exhausting the inside of the process container; (b) physically desorbing and removing residual fluorine in the process container set at a second temperature by supplying a second gas at a second flow rate into the process container and exhausting the inside of the process container; and (c) chemically desorbing and removing residual fluorine in the process container set at a third temperature by supplying a third gas at a third flow rate into the process container and exhausting the inside of the process container.
    Type: Application
    Filed: February 24, 2023
    Publication date: July 13, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Kazuhiro HARADA, Shingo NOHARA, Yuji URANO, Yasunobu KOSHI, Masayoshi MINAMI
  • Patent number: 11618947
    Abstract: There is provided a technique of cleaning an inside of a process container, including: (a) removing substances adhered in a process container set at a first temperature by supplying a first gas at a first flow rate into the process container and exhausting the inside of the process container; (b) physically desorbing and removing residual fluorine in the process container set at a second temperature by supplying a second gas at a second flow rate into the process container and exhausting the inside of the process container; and (c) chemically desorbing and removing residual fluorine in the process container set at a third temperature by supplying a third gas at a third flow rate into the process container and exhausting the inside of the process container.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: April 4, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kazuhiro Harada, Shingo Nohara, Yuji Urano, Yasunobu Koshi, Masayoshi Minami
  • Publication number: 20230089509
    Abstract: There is provided a technique capable of capable of preventing a substrate from being metal-contaminated by a component constituting a furnace opening. According to one aspect thereof, there is provided a furnace opening structure including: an upper inlet structure connected to a first protrusion provided at a lower portion of a reaction tube via a first seal, and configured to support the reaction tube; a lower inlet structure connected to the upper inlet structure via a second seal; and a fixing structure connected to the upper inlet structure and configured to fix the first protrusion, wherein the upper inlet structure is provided below an exhaust pipe provided at the lower portion of the reaction tube, and wherein the first protrusion is configured to be capable of being cooled by circulating a cooling medium through flow paths provided inside the upper inlet structure and the fixing structure, respectively.
    Type: Application
    Filed: August 10, 2022
    Publication date: March 23, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Shinya MORITA, Seiyo NAKASHIMA, Yoshitaka ABE, Kazuhiro HARADA, Yasunobu KOSHI, Shingo NOHARA
  • Publication number: 20200095678
    Abstract: There is provided a technique of cleaning an inside of a process container, including: (a) removing substances adhered in a process container set at a first temperature by supplying a first gas at a first flow rate into the process container and exhausting the inside of the process container; (b) physically desorbing and removing residual fluorine in the process container set at a second temperature by supplying a second gas at a second flow rate into the process container and exhausting the inside of the process container; and (c) chemically desorbing and removing residual fluorine in the process container set at a third temperature by supplying a third gas at a third flow rate into the process container and exhausting the inside of the process container.
    Type: Application
    Filed: September 17, 2019
    Publication date: March 26, 2020
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kazuhiro HARADA, Shingo NOHARA, Yuji URANO, Yasunobu KOSHI, Masayoshi MINAMI
  • Publication number: 20190311898
    Abstract: A technique of manufacturing a semiconductor device includes forming a film on a substrate in a process chamber by supplying a precursor and a reactant to the substrate under a first temperature at which the precursor and the reactant are not pyrolyzed, and purging, after performing the act of forming the film, an interior of the process chamber by supplying at least one selected from a group consisting of a plasma-excited gas, an alcohol, and a reducing agent into the process chamber under a second temperature equal to or lower than the first temperature.
    Type: Application
    Filed: June 7, 2019
    Publication date: October 10, 2019
    Applicant: Kokusai Electric Corporation
    Inventors: Takaaki Noda, Kotaro Konno, Shingo Nohara, Takeo Hanashima
  • Publication number: 20190024232
    Abstract: To reduce a temperature deviation on a surface of a substrate and shorten a temperature recovery time on the surface of the substrate, a substrate processing apparatus is provided. The substrate processing apparatus includes a substrate retainer configured to accommodate a plurality of substrates and heat insulating plates; a reaction tube within the substrate retainer; and a heating mechanism configured to heat the plurality of substrates, wherein the substrate retainer includes a substrate processing region where the plurality of substrates are accommodated and a heat insulating plate region where the heat insulating plates are accommodated. A reflectivity of each of the first heat insulating plates is accommodated in an upper layer portion of the heat insulating plate region and is higher than a reflectivity of each of the second heat insulating plates accommodated in a region other than the upper layer portion of the heat insulating plate region.
    Type: Application
    Filed: July 13, 2018
    Publication date: January 24, 2019
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Tetsuya KOSUGI, Hitoshi MURATA, Shingo NOHARA, Atsushi HIRANO
  • Patent number: 10032626
    Abstract: A semiconductor device manufacturing method includes: vertically arranging and storing a plurality of substrates in a processing container and forming a condition where at least an upper region or a lower region relative to a substrate disposing region where the plurality of substrates are arranged is blocked off by an adaptor; and while maintaining the condition, forming films on the plurality of substrates by performing a cycle including the following steps a predetermined number of times in a non-simultaneous manner: supplying source gas to the plurality of substrates in the processing container from the side of the substrate disposing region; discharging the source gas from the interior of the processing container via exhaust piping; supplying reaction gas to the plurality of substrates in the processing container from the side of the substrate disposing region; and discharging the reaction gas from the interior of the processing container via the exhaust piping.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: July 24, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takaaki Noda, Shingo Nohara, Kosuke Takagi, Takeo Hanashima, Mamoru Sueyoshi, Kotaro Konno, Motoshi Sawada
  • Patent number: 9881789
    Abstract: A method of manufacturing a semiconductor device includes: providing a substrate having an oxide film; performing, a predetermined number of times, a cycle of non-simultaneously performing supplying a precursor gas to the substrate, supplying a carbon-containing gas to the substrate, and supplying a nitrogen-containing gas to the substrate, or performing, a predetermined number of times, a cycle of non-simultaneously performing supplying a precursor gas to the substrate and supplying a gas containing carbon and nitrogen to the substrate, or performing, a predetermined number of times, a cycle of non-simultaneously performing supplying a precursor gas containing carbon to the substrate and supplying a nitrogen-containing gas to the substrate, the oxide film being used as an oxygen source to form a nitride layer containing oxygen and carbon as a seed layer; and forming a nitride film containing no oxygen and carbon as a first film on the seed layer.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: January 30, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC, INC.
    Inventors: Yoshitomo Hashimoto, Yoshiro Hirose, Shingo Nohara, Ryota Sasajima, Katsuyoshi Harada, Yuji Urano
  • Patent number: 9865451
    Abstract: A method for cleaning an interior of a process chamber after performing a process of forming a carbon-containing film on a substrate in the process chamber includes performing a cycle a predetermined number of times. The cycle includes supplying a modifying gas into the process chamber to modify deposits including the carbon-containing film deposited on a surface of a member in the process chamber and supplying an etching gas into the process chamber to remove the modified deposits through a thermochemical reaction.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: January 9, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC, INC.
    Inventors: Takaaki Noda, Shingo Nohara, Yoshiro Hirose
  • Patent number: 9831082
    Abstract: A method of manufacturing a semiconductor device includes forming a thin film having excellent etching resistance and a low dielectric constant on a substrate, removing first impurities containing H2O and Cl from the thin film by heating the thin film at a first temperature higher than a temperature of the substrate in the forming of the thin film, and removing second impurities containing a hydrocarbon compound (CxHy-based impurities) from the thin film in which heat treatment is performed at the first temperature by heating the thin film at a second temperature equal to or higher than the first temperature.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: November 28, 2017
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Satoshi Shimamoto, Takaaki Noda, Takeo Hanashima, Yoshiro Hirose, Hiroshi Ashihara, Tsukasa Kamakura, Shingo Nohara
  • Patent number: 9793107
    Abstract: A method of manufacturing a semiconductor device, includes: forming a thin film containing silicon, oxygen and carbon or a thin film containing silicon, oxygen, carbon and nitrogen on a substrate by performing a cycle a predetermined number of times. The cycle includes supplying a precursor gas serving as a silicon source and a carbon source or a precursor gas serving as a silicon source but no carbon source, and a first catalyst gas to the substrate; supplying an oxidizing gas and a second catalyst gas to the substrate; and supplying a modifying gas containing at least one selected from the group consisting of carbon and nitrogen to the substrate.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: October 17, 2017
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takaaki Noda, Satoshi Shimamoto, Shingo Nohara, Yoshiro Hirose, Kiyohiko Maeda
  • Publication number: 20170287696
    Abstract: A semiconductor device manufacturing method includes: vertically arranging and storing a plurality of substrates in a processing container and forming a condition where at least an upper region or a lower region relative to a substrate disposing region where the plurality of substrates are arranged is blocked off by an adaptor; and while maintaining the condition, forming films on the plurality of substrates by performing a cycle including the following steps a predetermined number of times in a non-simultaneous manner: supplying source gas to the plurality of substrates in the processing container from the side of the substrate disposing region; discharging the source gas from the interior of the processing container via exhaust piping; supplying reaction gas to the plurality of substrates in the processing container from the side of the substrate disposing region; and discharging the reaction gas from the interior of the processing container via the exhaust piping.
    Type: Application
    Filed: September 19, 2014
    Publication date: October 5, 2017
    Applicant: Hitachi Kokusai Electric Inc.
    Inventors: Takaaki NODA, Shingo NOHARA, Kosuke TAKAGI, Takeo HANASHIMA, Mamoru SUEYOSHI, Kotaro KONNO, Motoshi SAWADA
  • Patent number: 9698007
    Abstract: A method of manufacturing a semiconductor device, includes forming a thin film containing silicon, oxygen and carbon or a thin film containing silicon, oxygen, carbon and nitrogen on a substrate by performing a cycle a predetermined number of times. The cycle includes supplying a precursor gas serving as a silicon source and a carbon source or a precursor gas serving as a silicon source but no carbon source, and a first catalyst gas to the substrate; supplying an oxidizing gas and a second catalyst gas to the substrate; and supplying a modifying gas containing at least one selected from the group consisting of carbon and nitrogen to the substrate.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: July 4, 2017
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Takaaki Noda, Satoshi Shimamoto, Shingo Nohara, Yoshiro Hirose, Kiyohiko Maeda
  • Publication number: 20170178902
    Abstract: A method of manufacturing a semiconductor device includes: providing a substrate having an oxide film; performing, a predetermined number of times, a cycle of non-simultaneously performing supplying a precursor gas to the substrate, supplying a carbon-containing gas to the substrate, and supplying a nitrogen-containing gas to the substrate, or performing, a predetermined number of times, a cycle of non-simultaneously performing supplying a precursor gas to the substrate and supplying a gas containing carbon and nitrogen to the substrate, or performing, a predetermined number of times, a cycle of non-simultaneously performing supplying a precursor gas containing carbon to the substrate and supplying a nitrogen-containing gas to the substrate, the oxide film being used as an oxygen source to form a nitride layer containing oxygen and carbon as a seed layer; and forming a nitride film containing no oxygen and carbon as a first film on the seed layer.
    Type: Application
    Filed: March 8, 2017
    Publication date: June 22, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshitomo HASHIMOTO, Yoshiro HIROSE, Shingo NOHARA, Ryota SASAJIMA, Katsuyoshi HARADA, Yuji URANO
  • Patent number: 9673043
    Abstract: There is provided a technique including: (a) forming a thin film containing a predetermined element, oxygen and carbon on a substrate by performing a cycle a predetermined number of times, the cycle including: (a-1) supplying a source gas containing the predetermined element, carbon and a halogen element having a chemical bond between the predetermined element and carbon to the substrate; (a-2) supplying an oxidizing gas to the substrate; and (a-3) supplying a catalytic gas to the substrate; (b) removing a first impurity from the thin film by thermally processing the thin film at a first temperature higher than a temperature of the substrate in (a); and (c) removing a second impurity different from the first impurity from the thin film by thermally processing the thin film at a second temperature equal to or higher than the first temperature after performing (b).
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: June 6, 2017
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Takaaki Noda, Shingo Nohara, Satoshi Shimamoto, Hiroshi Ashihara, Takeo Hanashima, Yoshiro Hirose, Tsukasa Kamakura
  • Patent number: 9620357
    Abstract: A method of manufacturing a semiconductor device includes: providing a substrate having an oxide film; performing, a predetermined number of times, a cycle of non-simultaneously performing supplying a precursor gas to the substrate, supplying a carbon-containing gas to the substrate, and supplying a nitrogen-containing gas to the substrate, or performing, a predetermined number of times, a cycle of non-simultaneously performing supplying a precursor gas to the substrate and supplying a gas containing carbon and nitrogen to the substrate, or performing, a predetermined number of times, a cycle of non-simultaneously performing supplying a precursor gas containing carbon to the substrate and supplying a nitrogen-containing gas to the substrate, the oxide film being used as an oxygen source to form a nitride layer containing oxygen and carbon as a seed layer; and forming a nitride film containing no oxygen and carbon as a first film on the seed layer.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: April 11, 2017
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshitomo Hashimoto, Yoshiro Hirose, Shingo Nohara, Ryota Sasajima, Katsuyoshi Harada, Yuji Urano
  • Publication number: 20170025271
    Abstract: A method of manufacturing a semiconductor device includes: providing a substrate having an oxide film; performing, a predetermined number of times, a cycle of non-simultaneously performing supplying a precursor gas to the substrate, supplying a carbon-containing gas to the substrate, and supplying a nitrogen-containing gas to the substrate, or performing, a predetermined number of times, a cycle of non-simultaneously performing supplying a precursor gas to the substrate and supplying a gas containing carbon and nitrogen to the substrate, or performing, a predetermined number of times, a cycle of non-simultaneously performing supplying a precursor gas containing carbon to the substrate and supplying a nitrogen-containing gas to the substrate, the oxide film being used as an oxygen source to form a nitride layer containing oxygen and carbon as a seed layer; and forming a nitride film containing no oxygen and carbon as a first film on the seed layer.
    Type: Application
    Filed: July 22, 2016
    Publication date: January 26, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshitomo HASHIMOTO, Yoshiro HIROSE, Shingo NOHARA, Ryota SASAJIMA, Katsuyoshi HARADA, Yuji URANO