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).

  • Publication number: 20160153090
    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: Application
    Filed: January 29, 2016
    Publication date: June 2, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Ryuji YAMAMOTO, Satoshi SHIMAMOTO, Yoshiro HIROSE
  • Publication number: 20160155634
    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: Application
    Filed: February 2, 2016
    Publication date: June 2, 2016
    Inventors: Satoshi SHIMAMOTO, Takaaki NODA, Takeo HANASHIMA, Yoshiro HIROSE, Hiroshi ASHIHARA, Tsukasa KAMAKURA, Shingo NOHARA
  • Publication number: 20160148824
    Abstract: Provided is a technique including forming a film by performing a cycle a predetermined number of times. The cycle includes: (a) forming a discontinuous first layer including the first element and having a thickness of less than one atomic layer on the substrate by supplying a gas containing the first element into a process vessel accommodating the substrate; and (b) forming a second layer including the first element and the second element by supplying a gas containing the second element into the process vessel to modify the first layer under a condition where a modifying reaction of the first layer by the gas containing the second element is not saturated.
    Type: Application
    Filed: February 1, 2016
    Publication date: May 26, 2016
    Inventors: Yushin TAKASAWA, Hajime KARASAWA, Yoshiro HIROSE
  • Patent number: 9349586
    Abstract: A thin film having excellent etching resistance and a low dielectric constant is described. A method of manufacturing a semiconductor device includes forming a thin film 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: March 19, 2014
    Date of Patent: May 24, 2016
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Satoshi Shimamoto, Takaaki Noda, Takeo Hanashima, Yoshiro Hirose, Hiroshi Ashihara, Tsukasa Kamakura, Shingo Nohara
  • Patent number: 9349587
    Abstract: In a low-temperature, a silicon nitride film having a low in-film chlorine (Cl) content and a high resistance to hydrogen fluoride (HF) is formed. The formation of the silicon nitride film includes (a) supplying a monochlorosilane (SiH3Cl or MCS) gas to a substrate disposed in a processing chamber, (b) supplying a plasma-excited hydrogen-containing gas to the substrate disposed in the processing chamber, (c) supplying a plasma-excited or heat-excited nitrogen-containing gas to the substrate disposed in the processing chamber, (d) supplying at least one of a plasma-excited nitrogen gas and a plasma-excited rare gas to the substrate disposed in the processing chamber, and (e) performing a cycle including the steps (a) through (d) a predetermined number of times to form a silicon nitride film on the substrate.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: May 24, 2016
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Yoshiro Hirose, Atsushi Sano, Kazuyuki Okuda, Kiyohiko Maeda
  • Patent number: 9343290
    Abstract: A method of manufacturing a semiconductor device includes forming an oxide film on a substrate by performing a cycle a predetermined number of times. The cycle includes supplying a precursor gas to the substrate; and supplying an ozone gas to the substrate. In the act of supplying the precursor gas, the precursor gas is supplied to the substrate in a state where a catalytic gas is not supplied to the substrate, and in the act of supplying the ozone gas, the ozone gas is supplied to the substrate in a state where an amine-based catalytic gas is supplied to the substrate.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: May 17, 2016
    Assignees: HITACHI KOKUSAI ELECTRIC, INC., L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
    Inventors: Yoshiro Hirose, Norikazu Mizuno, Kazutaka Yanagita, Shingo Okubo
  • Patent number: 9334567
    Abstract: There is provided a method for manufacturing a semiconductor device, including forming a film on a substrate by performing a cycle one or more times. The cycle includes forming a first layer containing silicon, nitrogen, and carbon by supplying a first silane-based source having a halogen-based ligand to the substrate and supplying a second silane-based source having amino groups to the substrate. The cycle also includes forming a second layer by modifying the first layer by performing supplying a reactive gas different from each of the sources, to the substrate.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: May 10, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Yoshiro Hirose, Kenji Kanayama, Norikazu Mizuno, Yushin Takasawa, Yosuke Ota
  • Patent number: 9330904
    Abstract: Provided are a method of manufacturing a semiconductor device and a substrate processing apparatus. The method includes: forming a first layer including a first element on a substrate by supplying a gas containing the first element; forming a second layer including first and second elements by supplying a gas containing the second element to modify the first layer; and forming a thin film having a predetermined thickness by setting the forming of the first layer and the forming of the second layer to one cycle and repeating the cycle at least once. Pressure, or pressure and a gas supply time in one process of the forming of the first layer and the forming of the second layer are controlled to be higher or longer, or lower or shorter than pressure, or pressure and a time in the one process when the thin film having a stoichiometric composition is formed.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: May 3, 2016
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Yushin Takasawa, Hajime Karasawa, Yoshiro Hirose
  • Patent number: 9330903
    Abstract: Provided a method including forming a laminated film where a first film and a second film are laminated on a substrate by performing a cycle a predetermined number of times under a condition where a borazine ring structure in a fourth process gas is maintained. The cycle includes: (a) forming the first film by performing a first set a predetermined number of times, wherein the first set includes supplying a first process gas and supplying a second process gas to the substrate; and (b) forming the second film by performing a second set a predetermined number of times, wherein the second set includes supplying a third process gas and supplying the fourth process gas to the substrate.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: May 3, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Atsushi Sano, Yoshiro Hirose
  • Patent number: 9318316
    Abstract: Provided are a method of manufacturing a semiconductor device and a substrate processing apparatus. The method includes forming a thin film having a predetermined thickness and a predetermined composition on the substrate, the thin film including a first element and a second element different from the first element, by repeating a cycle a plurality of times, the cycle including: (a) forming a first layer including the first element and having a thickness of several atomic layers or less on the substrate by supplying a gas containing the first element into a process vessel accommodating the substrate under a condition where a chemical vapor deposition (CVD) reaction is caused; and (b) forming a second layer including the first element and the second element by supplying a gas containing the second element into the process vessel to modify the first layer without saturating a modifying reaction of the first layer by the gas containing the second element.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: April 19, 2016
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Yushin Takasawa, Hajime Karasawa, Yoshiro Hirose
  • Patent number: 9312123
    Abstract: Provided is a technique including forming a film by performing a cycle a predetermined number of times. The cycle includes: (a) forming a discontinuous first layer including the first element and having a thickness of less than one atomic layer on the substrate by supplying a gas containing the first element into a process vessel accommodating the substrate; and (b) forming a second layer including the first element and the second element by supplying a gas containing the second element into the process vessel to modify the first layer under a condition where a modifying reaction of the first layer by the gas containing the second element is not saturated.
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: April 12, 2016
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Yushin Takasawa, Hajime Karasawa, Yoshiro Hirose
  • Publication number: 20160086791
    Abstract: The present invention increases controllability of a composition ratio of a multi-element film that contains a predetermined element and at least one element selected from the group consisting of boron, oxygen, carbon and nitrogen. There is provided a method of manufacturing a semiconductor device, including: forming a laminated film where a first film and a second film are laminated on a substrate by performing a cycle a predetermined number of times, the cycle including: (a) forming the first film being free of borazine ring structure and including a predetermined element and at least one element selected from the group consisting of oxygen, carbon and nitrogen; and (b) forming the second film having a borazine ring structure and including at least boron and nitrogen.
    Type: Application
    Filed: September 21, 2015
    Publication date: March 24, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Atsushi SANO, Yoshiro HIROSE
  • Publication number: 20160079056
    Abstract: A technique includes forming a film having a borazine ring structure and containing boron and nitrogen on a substrate by intermittently performing an act of simultaneously performing: (a) supplying borazine-based gas including a ligand to the substrate; and (b) supplying a ligand desorption gas which desorbs the ligand to the substrate, wherein the (a) and (b) are performed under a condition where the borazine ring structure in the borazine-based gas is held.
    Type: Application
    Filed: September 16, 2015
    Publication date: March 17, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Katsuyoshi HARADA, Yoshiro HIROSE, Atsushi SANO
  • Publication number: 20160071721
    Abstract: An object of the present invention is to form a good thin film while suppressing generation of foreign substances in a low temperature region. Provided is a method of manufacturing a semiconductor device, including: (a) forming a thin film containing at least a predetermined element 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 and a halogen element to the substrate in a process container; and (a-2) supplying a reaction gas composed of carbon, nitrogen, and hydrogen to the substrate in the process container; and (b) modifying byproduct adhered to an inside of the process container by supplying a nitriding gas into the process container after (a).
    Type: Application
    Filed: November 12, 2015
    Publication date: March 10, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Satoshi SHIMAMOTO, Yugo ORIHASHI, Yoshitomo HASHIMOTO, Yoshiro HIROSE
  • Publication number: 20160071720
    Abstract: A technique includes forming a laminated film on a substrate by performing a cycle a predetermined number of times. The cycle includes forming a first film which contains at least a predetermined element and oxygen, and forming a second film which contains at least the predetermined element, oxygen and carbon. The first film and the second film are laminated to form the laminated film.
    Type: Application
    Filed: September 4, 2015
    Publication date: March 10, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Takafumi NITTA, Satoshi SHIMAMOTO, Yoshiro HIROSE
  • Patent number: 9281181
    Abstract: A method of manufacturing a semiconductor device includes forming a laminated film on a substrate by performing a cycle a predetermined number of times. The cycle includes forming a first film which contains a predetermined element, boron, and nitrogen and which does not contain a borazine ring skeleton, and forming a second film which contains the predetermined element and a borazine ring skeleton. The first film and the second film are laminated to form the laminated film.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: March 8, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Atsushi Sano, Yoshiro Hirose
  • Publication number: 20160064219
    Abstract: A technique includes loading a substrate into a process chamber, supporting the substrate by a mounting table having a heater therein in the process chamber, forming a film on the substrate by supplying a processing gas into the process chamber in a state where the mounting table having the substrate supported thereon is disposed in a first position and the heater is turned on, unloading the substrate on which the film is formed, and supplying a reactive gas into the process chamber in a state where the mounting table is disposed in a second position and the heater is turned on. The second position is closer to a ceiling portion in the process chamber than the first position.
    Type: Application
    Filed: August 28, 2015
    Publication date: March 3, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Ryuji YAMAMOTO, Tsukasa KAMAKURA, Yoshiro HIROSE, Satoshi SHIMAMOTO
  • Patent number: 9269566
    Abstract: A substrate processing apparatus capable of forming an oxide film on a substrate by forming a layer on the substrate by supplying a source gas into a process vessel accommodating the substrate via the first nozzle, and simultaneously supplying an oxygen-containing gas through a second nozzle and a hydrogen-containing gas through a first nozzle into the process vessel having an inside pressure thereof lower than atmospheric pressure; mixing and reacting the oxygen-containing gas with the hydrogen-containing gas in a non-plasma atmosphere within the process vessel to generate atomic oxygen; and oxidizing the layer with the atomic oxygen to change the layer into an oxide layer is disclosed.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: February 23, 2016
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Naonori Akae, Yoshiro Hirose, Yushin Takasawa, Yosuke Ota
  • Patent number: 9257275
    Abstract: A method of manufacturing a semiconductor device is disclosed. The method includes forming a thin film containing a predetermined element, boron, carbon, and nitrogen on a substrate by performing a cycle a predetermined number of times. The cycle includes forming a first layer containing boron and a halogen group by supplying a first precursor gas containing boron and the halogen group to the substrate; and forming a second layer containing the predetermined element, boron, carbon, and nitrogen by supplying a second precursor gas containing the predetermined element and an amino group to the substrate and modifying the first layer.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: February 9, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Atsushi Sano, Yoshiro Hirose
  • Publication number: 20160024659
    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: Application
    Filed: July 21, 2015
    Publication date: January 28, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Satoshi SHIMAMOTO, Yoshiro HIROSE, Ryuji YAMAMOTO