Patents by Inventor Yoshiro Hirose

Yoshiro Hirose 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: 10121654
    Abstract: There is provided a method for manufacturing a semiconductor device, including: providing a substrate with an oxide film formed on a surface thereof; pre-processing a surface of the oxide film; and forming a nitride film containing carbon on the surface of the oxide film which has been pre-processed, by performing a cycle a predetermined number of times, the cycle including 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 by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: supplying a precursor gas to the substrate; and supplying a gas containing carbon and nitrogen to the substrate, or by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: supplying a precursor gas containing carbon to the substrate; and supplying a nitrogen-containing gas to the substrate.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: November 6, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshinobu Nakamura, Kiyohiko Maeda, Yoshiro Hirose, Ryota Horiike, Yoshitomo Hashimoto
  • Patent number: 10090149
    Abstract: A method of manufacturing a semiconductor device includes: forming a base film containing a first element and carbon on a substrate by supplying a film forming gas to the substrate; and oxidizing the base film by supplying an oxidizing gas to the substrate to modify the base film into a C-free oxide film containing the first element.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: October 2, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshitomo Hashimoto, Yoshiro Hirose
  • Patent number: 10074535
    Abstract: A method of manufacturing a semiconductor device includes forming a film on a substrate by performing a cycle a predetermined number of times. The cycle includes non-simultaneously performing: supplying a precursor containing a predetermined element to the substrate in a process chamber, removing the precursor from the process chamber, supplying a first reactant containing nitrogen, carbon and hydrogen to the substrate, removing the first reactant from the process chamber, supplying a second reactant containing oxygen to the substrate, and removing the second reactant from the process chamber. A time period of the act of removing the precursor is set to be longer than a time period of the act of removing the first reactant, or a time period of the act of removing the second reactant is set to be longer than the time period of the act of removing the first reactant.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: September 11, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Tatsuru Matsuoka, Yoshiro Hirose, Yoshitomo Hashimoto
  • Patent number: 10066298
    Abstract: A technique includes forming a film containing a first element, a second element, and carbon on a substrate by performing a cycle a predetermined number of times. The cycle includes non-simultaneously performing: forming a first solid layer containing the first element and carbon, and having a thickness of more than one atomic layer and equal to or less than several atomic layers, by supplying a precursor gas having a chemical bond of the first element and carbon to the substrate and confining the precursor gas within the process chamber, under a condition in which the precursor gas is autolyzed and at least a part of the chemical bond of the first element and carbon is maintained without being broken; and forming a second solid layer by supplying a reaction gas containing the second element to the substrate to modify the first solid layer.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: September 4, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Ryuji Yamamoto, Satoshi Shimamoto, Yoshiro Hirose
  • Publication number: 20180233351
    Abstract: There is provided a method for manufacturing a semiconductor device, including: providing a substrate with an oxide film formed on a surface thereof; pre-processing a surface of the oxide film; and forming a nitride film containing carbon on the surface of the oxide film which has been pre-processed, by performing a cycle a predetermined number of times, the cycle including 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 by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: supplying a precursor gas to the substrate; and supplying a gas containing carbon and nitrogen to the substrate, or by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: supplying a precursor gas containing carbon to the substrate; and supplying a nitrogen-containing gas to the substrate.
    Type: Application
    Filed: April 11, 2018
    Publication date: August 16, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshinobu NAKAMURA, Kiyohiko MAEDA, Yoshiro HIROSE, Ryota HORIIKE, Yoshitomo HASHIMOTO
  • Publication number: 20180218898
    Abstract: There is provided a technique which includes: forming a film containing at least Si, O and N on a substrate in a process chamber by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: forming a first layer by supplying a precursor gas containing at least a Si—N bond and a Si—Cl bond and a first catalyst gas to the substrate; exhausting the precursor gas and the first catalyst gas in the process chamber through an exhaust system; forming a second layer by supplying an oxidizing gas and a second catalyst gas to the substrate to modify the first layer; and exhausting the oxidizing gas and the second catalyst gas in the process chamber through the exhaust system.
    Type: Application
    Filed: January 30, 2018
    Publication date: August 2, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshiro HIROSE, Yoshitomo HASHIMOTO
  • Patent number: 10032629
    Abstract: A method of manufacturing a semiconductor device includes: providing a substrate; and forming a film on the substrate by supplying a silicon hydride and a halogen element-free catalyst containing one of a group III element or a group V element to the substrate, under a condition that the silicon hydride is not thermally decomposed when the silicon hydride is present alone.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: July 24, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takafumi Nitta, Satoshi Shimamoto, Yoshiro Hirose
  • Patent number: 10026607
    Abstract: Provided is a technique of forming a film on a substrate by performing a cycle a predetermined number of times. The cycle includes: forming a first layer by supplying a gas containing a first element to the substrate, wherein the first layer is a discontinuous layer, a continuous layer, or a layer in which at least one of the discontinuous layer or the continuous layer is overlapped; forming a second layer including the first layer and a discontinuous layer including a second element stacked on the first layer; and forming a third layer by supplying a gas containing a third element to the substrate to modify the second layer under a condition where a modifying reaction of the second layer by the gas containing the third element is not saturated.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: July 17, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC, INC.
    Inventors: Yushin Takasawa, Hajime Karasawa, Yoshiro Hirose
  • Publication number: 20180179628
    Abstract: A method of manufacturing a semiconductor device includes: (a) processing a substrate accommodated in a process chamber by supplying an inert gas into a tank storing a precursor via a first supply pipe, supplying the precursor from an interior of the tank into the process chamber via a second supply pipe connected to the first supply pipe by a connection pipe, and exhausting the precursor from the interior of the process chamber; and (b) purging an interior of the first supply pipe, an interior of the connection pipe and an interior of the second supply pipe by alternately repeating: supplying a heated inert gas into the first supply pipe, the connection pipe and the second supply pipe, and exhausting the heated inert gas; and vacuumizing the interior of the first supply pipe, the interior of the connection pipe, and the interior of the second supply pipe.
    Type: Application
    Filed: February 22, 2018
    Publication date: June 28, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshitomo HASHIMOTO, Yoshiro HIROSE
  • Patent number: 9978587
    Abstract: A technique includes forming a film containing a first element, a second element and carbon on a substrate by performing a cycle a predetermined number of times. The cycle includes non-simultaneously performing supplying a first precursor having chemical bonds between the first elements to a substrate, supplying a second precursor having chemical bonds between the first element and carbon without having the chemical bonds between the first elements to the substrate, and supplying a first reactant containing the second element to the substrate.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: May 22, 2018
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Satoshi Shimamoto, Yoshiro Hirose, Ryuji Yamamoto
  • Patent number: 9966251
    Abstract: Provided is a method of manufacturing a semiconductor device.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: May 8, 2018
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Ryota Sasajima, Yoshiro Hirose, Yosuke Ota, Naonori Akae, Kojiro Yokozawa
  • Patent number: 9966252
    Abstract: Provided is a method of manufacturing a semiconductor device.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: May 8, 2018
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Ryota Sasajima, Yoshiro Hirose, Yosuke Ota, Naonori Akae, Kojiro Yokozawa
  • Patent number: 9953830
    Abstract: A method of manufacturing a semiconductor device includes forming an oxide film containing a metal element on a substrate by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: supplying a precursor containing a metal element and a halogen group to the substrate; and supplying an oxidant to the substrate. In the act of supplying the oxidant, a catalyst is supplied to the substrate together with the oxidant. In the act of supplying the precursor, the catalyst is not supplied to the substrate.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: April 24, 2018
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Takuro Ushida, Tsukasa Kamakura, Yoshiro Hirose, Kimihiko Nakatani
  • Patent number: 9934962
    Abstract: A method of manufacturing a semiconductor device includes a process of forming a film on a substrate by performing a cycle a predetermined number of times. The cycle includes: supplying a precursor containing a predetermined element to the substrate; supplying a first reactant containing nitrogen and carbon to the substrate; supplying a second reactant containing nitrogen to the substrate; and supplying a third reactant containing oxygen to the substrate, wherein in the cycle, a supply amount of the second reactant is set to be smaller than a supply amount of the first reactant.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: April 3, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshitomo Hashimoto, Yoshiro Hirose, Tatsuru Matsuoka
  • Patent number: 9890458
    Abstract: A technique includes forming a film containing a first element, a second element, and carbon on a substrate by performing a cycle a predetermined number of times. The cycle includes non-simultaneously performing: forming a first solid layer containing the first element and carbon, and having a thickness of more than one atomic layer and equal to or less than several atomic layers, by supplying a precursor gas having a chemical bond of the first element and carbon to the substrate and confining the precursor gas within the process chamber, under a condition in which the precursor gas is autolyzed and at least a part of the chemical bond of the first element and carbon is maintained without being broken; and forming a second solid layer by supplying a reaction gas containing the second element to the substrate to modify the first solid layer.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: February 13, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC, INC.
    Inventors: Ryuji Yamamoto, Satoshi Shimamoto, Yoshiro Hirose
  • 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: 9865458
    Abstract: A method of manufacturing a semiconductor device includes forming a film on a substrate by performing a cycle a predetermined number of times. The cycle includes non-simultaneously performing: forming a first layer by supplying a precursor gas including a chemical bond of a first element and carbon and a first catalyst gas to the substrate; exhausting the precursor gas and the first catalyst gas through an exhaust system; forming a second layer by supplying a reaction gas including a second element and a second catalyst gas to the substrate to modify the first layer; and exhausting the reaction gas and the second catalyst gas through the exhaust system. At least in a specific cycle, the respective gases are supplied and confined in the process chamber while closing the exhaust system in at least one of the act of forming the first layer and the act of forming the second layer.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: January 9, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Ryuji Yamamoto, Yoshiro Hirose, Satoshi Shimamoto
  • 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
  • Publication number: 20170365467
    Abstract: There is provided a method of manufacturing a semiconductor device, which includes: forming a first seed layer containing silicon and germanium on a substrate by performing, a predetermined number of times, a cycle which includes supplying a first process gas containing silicon or germanium and containing a halogen element to the substrate, supplying a second process gas containing silicon and not containing a halogen element to the substrate, and supplying a third process gas containing germanium and not containing a halogen element to the substrate; and forming a germanium-containing film on the first seed layer by supplying a fourth process gas containing germanium and not containing a halogen element to the substrate.
    Type: Application
    Filed: June 12, 2017
    Publication date: December 21, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Satoshi SHIMAMOTO, Yoshiro HIROSE, Hajime KARASAWA, Ryota HORIIKE, Naoharu NAKAISO, Yoshitomo HASHIMOTO
  • Patent number: 9837261
    Abstract: A method of manufacturing a semiconductor device for forming a thin film having low permittivity, high etching resistance and high leak resistance is provided. The method includes: forming a film containing a predetermined element, oxygen, carbon and nitrogen on a substrate by performing a cycle a predetermined number of times. The cycle includes: (a) supplying a source gas containing the predetermined element and a halogen element to the substrate; (b) supplying a first reactive gas containing the three elements including carbon, nitrogen and hydrogen wherein a number of carbon atoms in each molecule of the first reactive gas is greater than that of nitrogen atoms in each molecule of the first reactive gas to the substrate; (c) supplying a nitriding gas as a second reactive gas to the substrate; and (d) supplying an oxidizing gas as a third reactive gas to the substrate, wherein (a) through (d) are non-simultaneously performed.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: December 5, 2017
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Yoshiro Hirose, Atsushi Sano, Yugo Orihashi, Yoshitomo Hashimoto, Satoshi Shimamoto