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: 11978623
    Abstract: There is provided a technique that includes: forming an oxide film containing an atom X of a precursor on a substrate by performing a cycle a predetermined number of times. The cycle including non-simultaneously performing: (a) forming a first layer containing a component in which a first group is bonded to the atom X on the substrate by supplying the precursor having a molecular structure in which the first and second groups are bonded to the atom X, to the substrate, the first group containing an alkoxy group, and the second group containing at least one of an amino group, an alkyl group, a halogeno group, a hydroxy group, a hydro group, an aryl group, a vinyl group, and a nitro group; and (b) forming a second layer containing the atom X by supplying an oxidizing agent to the substrate to oxidize the first layer.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: May 7, 2024
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshitomo Hashimoto, Katsuyoshi Harada, Kimihiko Nakatani, Yoshiro Hirose, Masaya Nagato, Takashi Ozaki, Tomiyuki Shimizu
  • Publication number: 20240112907
    Abstract: There is provided a technique that includes: (a) forming an oxide layer containing a predetermined element on a first film formed on a substrate by supplying a precursor gas containing the predetermined element to the substrate such that hydroxyl group terminations are formed on a surface of the oxide layer and a density of the hydroxyl group terminations on the oxide layer is higher than a density of hydroxyl group terminations on a surface of the first film before (a); and (b) hydrophobizing the surface of the oxide layer by supplying a modifying gas containing a hydrocarbon group to the substrate.
    Type: Application
    Filed: September 15, 2023
    Publication date: April 4, 2024
    Applicant: Kokusai Electric Corporation
    Inventors: Shoma MIYATA, Kimihiko NAKATANI, Takayuki WASEDA, Yoshitomo HASHIMOTO, Yoshiro HIROSE
  • Patent number: 11848201
    Abstract: A film where a first layer and a second layer are laminated is formed on a substrate by performing: forming the first layer by performing a first cycle a predetermined number of times, the first cycle including non-simultaneously performing: supplying a source to the substrate, and supplying a reactant to the substrate, under a first temperature at which neither the source nor the reactant is thermally decomposed when the source and the reactant are present alone, respectively; and forming the second layer by performing a second cycle a predetermined number of times, the second cycle including non-simultaneously performing: supplying the source to the substrate, and supplying the reactant to the substrate, under a second temperature at which neither the source nor the reactant is thermally decomposed when the source and the reactant are present alone, respectively, the second temperature being different from the first temperature.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: December 19, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Tsukasa Kamakura, Takaaki Noda, Yoshiro Hirose
  • Publication number: 20230307246
    Abstract: There is provided a technique that includes: etching a first film exposed on a surface of a substrate by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: (a) forming a first modified layer in at least a portion of a surface of the first film by supplying a first gas to the substrate; and (b) etching at least a portion of the first film with an etching species, the etching species being generated by supplying a second gas having a molecular structure different from that of the first gas to the substrate to perform at least one selected from the group of causing the second gas to react with the first modified layer and activating the first modified layer with the second gas.
    Type: Application
    Filed: May 22, 2023
    Publication date: September 28, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Kimihiko NAKATANI, Ryota Ueno, Motomu Degai, Takashi Nakagawa, Yoshitomo Hashimoto, Yoshiro Hirose
  • Patent number: 11699593
    Abstract: There is provided a technique that includes: etching a first film exposed on a surface of a substrate by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: (a) forming a first modified layer in at least a portion of a surface of the first film by supplying a first gas to the substrate; and (b) etching at least a portion of the first film with an etching species, the etching species being generated by supplying a second gas having a molecular structure different from that of the first gas to the substrate to perform at least one selected from the group of causing the second gas to react with the first modified layer and activating the first modified layer with the second gas.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: July 11, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kimihiko Nakatani, Ryota Ueno, Motomu Degai, Takashi Nakagawa, Yoshitomo Hashimoto, Yoshiro Hirose
  • Publication number: 20230067218
    Abstract: There is provided a technique that includes: forming an oxide film containing an atom X of a precursor on a substrate by performing a cycle a predetermined number of times. The cycle including non-simultaneously performing: (a) forming a first layer containing a component in which a first group is bonded to the atom X on the substrate by supplying the precursor having a molecular structure in which the first and second groups are bonded to the atom X, to the substrate, the first group containing an alkoxy group, and the second group containing at least one of an amino group, an alkyl group, a halogeno group, a hydroxy group, a hydro group, an aryl group, a vinyl group, and a nitro group; and (b) forming a second layer containing the atom X by supplying an oxidizing agent to the substrate to oxidize the first layer.
    Type: Application
    Filed: November 8, 2022
    Publication date: March 2, 2023
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshitomo HASHIMOTO, Katsuyoshi HARADA, Kimihiko NAKATANI, Yoshiro HIROSE, Masaya NAGATO, Takashi OZAKI, Tomiyuki SHIMIZU
  • Patent number: 11527402
    Abstract: There is provided a technique that includes: forming an oxide film containing a central atom X of a precursor on a substrate by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: (a) forming a first layer containing a component in which a first group is bonded to the central atom X on the substrate by supplying the precursor having a molecular structure in which the first group and a second group are bonded to the central atom X and having a bonding energy between the first group and the central atom X that is higher than a bonding energy between the second group and the central atom X, to the substrate; and (b) forming a second layer containing the central atom X by supplying an oxidizing agent to the substrate to oxidize the first layer, wherein in (a), the precursor is supplied under a condition in which the second group is desorbed and the first group is not desorbed from the central atom X contained in the precursor and the central atom X is adsorbed on
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: December 13, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshitomo Hashimoto, Katsuyoshi Harada, Kimihiko Nakatani, Yoshiro Hirose, Masaya Nagato, Takashi Ozaki, Tomiyuki Shimizu
  • Publication number: 20220310383
    Abstract: There is provided a technique capable of improve the uniformity of the film formed on the substrate. According to one aspect of the technique, there is provided a substrate processing method includes: (a) setting a substrate at a first position such that a distance between the first position and a gas supply port of a film-forming auxiliary gas supplier is a first distance, and causing a film-forming auxiliary gas to be adsorbed onto the substrate by supplying the film-forming auxiliary gas to the substrate; and (b) moving the substrate to a second position such that a distance between the second position and a gas supply port of a source gas supplier is a second distance different from the first distance, and forming a film of a predetermined thickness on the substrate by supplying a source gas.
    Type: Application
    Filed: February 24, 2022
    Publication date: September 29, 2022
    Applicant: Kokusai Electric Corporation
    Inventor: Yoshiro HIROSE
  • Patent number: 11380540
    Abstract: There is provided a technique that includes: substrate mounting plate where substrates are arranged circumferentially; rotator rotating the substrate mounting plate; gas supply structure disposed above the substrate mounting plate from center to outer periphery thereof; gas supplier including the gas supply structure and controlling supply amount of gas supplied from the gas supply structure; gas exhaust structure installed above the substrate mounting plate at downstream side of the gas supply structure in rotation direction; gas exhauster including the gas exhaust structure and controlling exhaust amount of gas exhausted from the gas exhaust structure; and gas main component amount controller including the gas supplier and the gas exhauster and controlling gas main component amount in the gas supplied from the gas supply structure to the substrates and the gas main component amount in the gas supplied to the substrates from the center to the outer periphery of the mounting plate.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: July 5, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Takashi Nakagawa, Yoshiro Hirose, Naofumi Ohashi, Tadashi Takasaki
  • Publication number: 20220122833
    Abstract: A film where a first layer and a second layer are laminated is formed on a substrate by performing: forming the first layer by performing a first cycle a predetermined number of times, the first cycle including non-simultaneously performing: supplying a source to the substrate, and supplying a reactant to the substrate, under a first temperature at which neither the source nor the reactant is thermally decomposed when the source and the reactant are present alone, respectively; and forming the second layer by performing a second cycle a predetermined number of times, the second cycle including non-simultaneously performing: supplying the source to the substrate, and supplying the reactant to the substrate, under a second temperature at which neither the source nor the reactant is thermally decomposed when the source and the reactant are present alone, respectively, the second temperature being different from the first temperature.
    Type: Application
    Filed: January 4, 2022
    Publication date: April 21, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Tsukasa KAMAKURA, Takaaki NODA, Yoshiro HIROSE
  • Patent number: 11251039
    Abstract: A film where a first layer and a second layer are laminated is formed on a substrate by performing: forming the first layer by performing a first cycle a predetermined number of times, the first cycle including non-simultaneously performing: supplying a source to the substrate, and supplying a reactant to the substrate, under a first temperature at which neither the source nor the reactant is thermally decomposed when the source and the reactant are present alone, respectively; and forming the second layer by performing a second cycle a predetermined number of times, the second cycle including non-simultaneously performing: supplying the source to the substrate, and supplying the reactant to the substrate, under a second temperature at which neither the source nor the reactant is thermally decomposed when the source and the reactant are present alone, respectively, the second temperature being different from the first temperature.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: February 15, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Tsukasa Kamakura, Takaaki Noda, Yoshiro Hirose
  • Patent number: 11251038
    Abstract: A film where a first layer and a second layer are laminated is formed on a substrate by performing: forming the first layer by performing a first cycle a predetermined number of times, the first cycle including non-simultaneously performing: supplying a source to the substrate, and supplying a reactant to the substrate, under a first temperature at which neither the source nor the reactant is thermally decomposed when the source and the reactant are present alone, respectively; and forming the second layer by performing a second cycle a predetermined number of times, the second cycle including non-simultaneously performing: supplying the source to the substrate, and supplying the reactant to the substrate, under a second temperature at which neither the source nor the reactant is thermally decomposed when the source and the reactant are present alone, respectively, the second temperature being different from the first temperature.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: February 15, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Tsukasa Kamakura, Takaaki Noda, Yoshiro Hirose
  • Publication number: 20220020598
    Abstract: There is provided a technique that includes: etching a first film exposed on a surface of a substrate by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing: (a) forming a first modified layer in at least a portion of a surface of the first film by supplying a first gas to the substrate; and (b) etching at least a portion of the first film with an etching species, the etching species being generated by supplying a second gas having a molecular structure different from that of the first gas to the substrate to perform at least one selected from the group of causing the second gas to react with the first modified layer and activating the first modified layer with the second gas.
    Type: Application
    Filed: July 16, 2021
    Publication date: January 20, 2022
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kimihiko NAKATANI, Ryota UENO, Motomu DEGAI, Takashi NAKAGAWA, Yoshitomo HASHIMOTO, Yoshiro HIROSE
  • Publication number: 20210301396
    Abstract: There is included (a) supplying a fluorine-containing gas to an interior of a process vessel; (b) exhausting the fluorine-containing gas from the interior of the process vessel while maintaining a state in which fluorine is adhered to the interior of the process vessel; and (c) forming a film on a substrate by supplying a film-forming gas to the substrate accommodated in the interior of the process vessel to which the fluorine is adhered.
    Type: Application
    Filed: March 11, 2021
    Publication date: September 30, 2021
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Yoshitomo HASHIMOTO, Yoshiro HIROSE, Kimihiko NAKATANI
  • Publication number: 20210217616
    Abstract: Described herein is a technique capable of selectively forming a film in a film-forming step. According to one aspect of the technique, there is provided a method of manufacturing a semiconductor device including: (a) selectively forming a film on a substrate by supplying a process gas into a process chamber accommodating the substrate, wherein an inhibitor layer is formed on a portion of the substrate such that the substrate acquires a selectivity in an adsorption of the process gas; (b) supplying a cleaning gas containing a component contained in the inhibitor layer into the process chamber accommodating no substrate; and (c) removing a residual component of the cleaning gas in the process chamber.
    Type: Application
    Filed: March 13, 2020
    Publication date: July 15, 2021
    Inventors: Naofumi OHASHI, Yoshiro HIROSE
  • Publication number: 20210198785
    Abstract: A method of manufacturing a semiconductor device includes forming a seed layer containing a predetermined element on a substrate by performing a process a predetermined number of times, and supplying a second precursor containing the predetermined element and not containing the ligand to the substrate to form a film containing the predetermined element on the seed layer. The process includes alternately performing: supplying a first precursor to the substrate to form an adsorption layer of the first precursor, the first precursor containing the predetermined element and a ligand which is coordinated to the predetermined element and which contains at least one of carbon or nitrogen, and supplying a ligand desorption material to the substrate to desorb the ligand from the adsorption layer of the first precursor.
    Type: Application
    Filed: March 17, 2021
    Publication date: July 1, 2021
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Ryuji YAMAMOTO, Yoshiro HIROSE
  • Publication number: 20210189557
    Abstract: Described herein is a technique capable of suppressing a deposition of reaction by-products in an exhaust pipe. According to one aspect of the technique, there is provided a substrate processing apparatus including: a process chamber where a substrate is processed; a process chamber gas supply system configured to supply a process gas, a purge gas or a cleaning gas into the process chamber; an exhaust pipe configured to perform gas exhaust from the process chamber; an exhaust pipe gas supply system connected to a predetermined deposition risky portion in the exhaust pipe and configured to supply a cleaning contribution gas to the deposition risky portion; and a controller configured to control gas supply through each of the process chamber gas supply system and the exhaust pipe gas supply system.
    Type: Application
    Filed: March 11, 2020
    Publication date: June 24, 2021
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Hideharu ITATANI, Yoshiro HIROSE
  • Patent number: 11043377
    Abstract: Described herein is a technique capable of selectively forming a film in a film-forming step. According to one aspect of the technique, there is provided a method of manufacturing a semiconductor device including: (a) selectively forming a film on a substrate by supplying a process gas into a process chamber accommodating the substrate, wherein an inhibitor layer is formed on a portion of the substrate such that the substrate acquires a selectivity in an adsorption of the process gas; (b) supplying a cleaning gas containing a component contained in the inhibitor layer into the process chamber accommodating no substrate; and (c) removing a residual component of the cleaning gas in the process chamber.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: June 22, 2021
    Assignee: Kokusai Electric Corporation
    Inventors: Naofumi Ohashi, Yoshiro Hirose
  • Patent number: 11028473
    Abstract: A method of manufacturing a semiconductor device includes forming a seed layer containing a predetermined element on a substrate by performing a process a predetermined number of times, and supplying a second precursor containing the predetermined element and not containing the ligand to the substrate to form a film containing the predetermined element on the seed layer. The process includes alternately performing: supplying a first precursor to the substrate to form an adsorption layer of the first precursor, the first precursor containing the predetermined element and a ligand which is coordinated to the predetermined element and which contains at least one of carbon or nitrogen, and supplying a ligand desorption material to the substrate to desorb the ligand from the adsorption layer of the first precursor.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: June 8, 2021
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Ryuji Yamamoto, Yoshiro Hirose
  • Patent number: 11027970
    Abstract: Described herein is a technique capable of forming a sacrificial film with a high wet etching rate so as to obtain a wet etching selectivity with respect to a movable electrode when manufacturing a cantilever structure sensor. According to one aspect of the technique of the present disclosure, there is provided a method of manufacturing a semiconductor device including: (a) placing a substrate with a sacrificial film containing impurities on a substrate support in a process chamber, wherein the sacrificial film is formed so as to cover a control electrode, a pedestal and a counter electrode formed on the substrate; (b) heating the substrate; and (c) modifying the sacrificial film into a modified sacrificial film by supplying an oxygen-containing gas in a plasma state to the substrate to desorb the impurities from the sacrificial film after (b).
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: June 8, 2021
    Assignee: Kokusai Electric Corporation
    Inventors: Naofumi Ohashi, Yoshiro Hirose