Patents by Inventor Hiroshi Ashihara

Hiroshi Ashihara 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: 20240071750
    Abstract: A method of processing a substrate includes: (a) providing a substrate; (b) supplying a processing gas comprising H2O-containing radicals to the substrate; (c) supplying a gas including at least one element of Si, Ti, Mo, Al, W, Hf or Zr and a halogen element to the substrate; (d) supplying a gas including one or both of an oxygen element and a nitrogen element to the substrate after (c); and (e) repeating (c) and (d).
    Type: Application
    Filed: November 7, 2023
    Publication date: February 29, 2024
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Hiroshi ASHIHARA, Toshiyuki KIKUCHI
  • Publication number: 20240018316
    Abstract: A polyester film includes a polyester (A) composed mainly of polybutylene terephthalate and a polyester (B) composed mainly of polyethylene terephthalate, wherein a mass ratio (A/B) between the polyesters (A) and (B) is 70/30 to 55/45, a dry heat shrinkage rate (B) through heat treatment at 200° C. for 15 minutes is 35% or less in any of four directions (0°, 45° 90° and 135°) on the film surface, a difference between a maximum value and a minimum value of these dry heat shrinkage rates is 5% or less, a thickness variation in the four directions is 10% or less, and a crystallization index shown in DSC measurement is 25 to 55 J/g.
    Type: Application
    Filed: March 8, 2021
    Publication date: January 18, 2024
    Applicant: UNITIKA LTD.
    Inventors: Hiroshi Ashihara, Takayoshi Okuzu, Ken Akamatsu, Akiko Kurosawa, Goro Araki, Akito Kajita
  • Patent number: 11854799
    Abstract: A method of manufacturing a semiconductor device including: (a) loading a substrate into a process chamber; (b) supplying a processing gas including H2O-containing radicals to the substrate; (c) supplying a gas including a halogen element; (d) supplying a gas including one or both of an oxygen element and a nitrogen element after (c); (e) repeating (c) and (d); and (f) repeating (b) and (e).
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: December 26, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Hiroshi Ashihara, Toshiyuki Kikuchi
  • Publication number: 20230298918
    Abstract: There is provided a technique that includes: at least one process chamber in which at least one substrate is processed; a mounting stage configured to be capable of mounting the at least one substrate on the mounting stage; a transport chamber including a conveyor configured to be capable of holding the mounting stage at least two places in a vertical direction and transporting the mounting stage; and a controller configured to be capable of performing a transport control of the conveyor in the transport chamber.
    Type: Application
    Filed: September 29, 2022
    Publication date: September 21, 2023
    Applicant: Kokusai Electric Corporation
    Inventors: Hiroshi ASHIHARA, Yuji TAKEBAYASHI
  • Patent number: 11705326
    Abstract: There is provided a technique that includes filling a concave portion formed on a surface of a substrate with a first film and a second film by performing: (a) forming the first film having a hollow portion using a first precursor so as to fill the concave portion formed on the surface of the substrate; (b) etching a portion of the first film which makes contact with the hollow portion, using an etching agent; and (c) forming the second film on the first film of which the portion is etched, using a second precursor, wherein (b) includes performing, a predetermined number of times: (b-1) modifying a portion of the first film using a modifying agent; and (b-2) selectively etching the modified portion of the first film using the etching agent.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: July 18, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kimihiko Nakatani, Hiroshi Ashihara, Motomu Degai, Kenji Kameda
  • Publication number: 20230113079
    Abstract: To provide a biaxially stretched polyester resin film that has excellent properties equal to or better than those of biaxially stretched polyester film that does not use recycled raw material, and in particular that has an excellent flexural resistance in low-temperature environments. A biaxially stretched polyester resin film that characteristically satisfies both of the following properties (1) and (2): (1) in differential scanning calorimetry (DSC), after heating from 25° C. to 300° C. at a heating rate of 20° C./minute and holding for 10 minutes at 300° C., the temperature of crystallization during cooling at a cooling rate of 40° C./minute is 160° C. to 180° C.; and (2) the number of pinholes after the execution of 200 repetitive cycles of a flexural fatigue test in a ?10° C. atmosphere using a Gelbo Flex Tester is not more than 10/500 cm2.
    Type: Application
    Filed: March 26, 2021
    Publication date: April 13, 2023
    Applicants: UNITIKA LTD., NIPPON ESTER CO., LTD., UNITIKA TRADING CO., LTD.
    Inventors: Goro Araki, Hiroshi Ashihara, Hazumu Nagano
  • Patent number: 11562905
    Abstract: There is provided a technique that includes selectively doping a metal film with a dopant by performing: supplying a dopant-containing gas containing the dopant to a substrate in which the metal film and a film other than the metal film are formed on a film in which the dopant is doped; and removing the dopant-containing gas from above the substrate.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: January 24, 2023
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Motomu Degai, Hiroshi Ashihara
  • Patent number: 11170996
    Abstract: (a) Loading a substrate into a process chamber; (b) supplying a processing gas including H2O-containing radicals to the substrate; (c) supplying a gas including a halogen element; (d) supplying a gas including one or both of an oxygen element and a nitrogen element after (c); and (e) repeating (c) and (d) are provided.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: November 9, 2021
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Hiroshi Ashihara, Toshiyuki Kikuchi
  • Patent number: 11152215
    Abstract: Described herein is a technique capable of selectively growing a film with a high selectivity on a substrate with surface portions of different materials. According to one aspect of the technique of the present disclosure, there is provided a method of manufacturing a semiconductor device including: (a) forming a second metal film on a substrate with a first metal film and an insulating film formed thereon by alternately supplying a metal-containing gas and a reactive gas onto the substrate, wherein an incubation time on the insulating film is longer than that on the first metal film; and (b) supplying an etching gas onto the substrate to remove the second metal film formed on the insulating film while allowing the second metal film to remain on the first metal film, wherein the second metal film is selectively grown on the first metal film by alternately repeating (a) and (b).
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: October 19, 2021
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Motomu Degai, Kimihiko Nakatani, Hiroshi Ashihara
  • Publication number: 20210249256
    Abstract: A method of manufacturing a semiconductor device including: (a) loading a substrate into a process chamber; (b) supplying a processing gas including H2O-containing radicals to the substrate; (c) supplying a gas including a halogen element; (d) supplying a gas including one or both of an oxygen element and a nitrogen element after (c); (e) repeating (c) and (d); and (f) repeating (b) and (e).
    Type: Application
    Filed: April 1, 2021
    Publication date: August 12, 2021
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Hiroshi ASHIHARA, Toshiyuki KIKUCHI
  • Publication number: 20210179843
    Abstract: A polyester film comprises a polyester (A) composed mainly of polybutylene terephthalate and a polyester (B) composed mainly of polyethylene terephthalate, wherein a mass ratio (A/B) between the polyesters (A) and (B) is 70/30 to 55/45, a dry heat shrinkage rate (A) through heat treatment at 160° C. for 30 minutes is 20% or less in any of four directions on a film surface (0°, 45°, 90° and 135®), a difference between a maximum value and a minimum value of these dry heat shrinkage rates is 5% or less, a dry heat shrinkage rate (B) through heat treatment at 200° C. for 15 minutes is 35% or less in any of the four directions, a difference between a maximum value and a minimum value of these dry heat shrinkage rates is 5% or less, and a thickness variation in the four directions is 10% or less.
    Type: Application
    Filed: September 5, 2019
    Publication date: June 17, 2021
    Applicant: UNITIKA LTD.
    Inventors: Takayoshi Okuzu, Ken Akamatsu, Akiko Hamamoto, Hiroshi Ashihara, Goro Araki, Akito Kajita
  • Publication number: 20210166948
    Abstract: There is provided a technique that includes: organically terminating a first region of a substrate by supplying an adsorption control agent containing an organic ligand to the substrate while regulating a temperature of the substrate including the first region and a second region different from the first region formed on a surface of the substrate depending on a composition of the first region; and selectively growing a film on the second region by supplying a deposition gas to the substrate.
    Type: Application
    Filed: January 15, 2021
    Publication date: June 3, 2021
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Motomu DEGAI, Kimihiko NAKATANI, Hiroshi ASHIHARA
  • Publication number: 20210143001
    Abstract: Described herein is a technique capable of selectively forming a thin film on a substrate while suppressing damage to other films of the substrate. According to the technique, there is provided a method of manufacturing a semiconductor device, including: (a) removing a natural oxide film from a surface of a substrate by supplying a first inorganic material to the substrate wherein a first film and a second film different from the first film are exposed on the surface of the substrate; (b) forming an oxide film by oxidizing a surface of the first film by supplying an oxidizing agent to the substrate; (c) modifying the surface of the first film by supplying a second inorganic material to the substrate; and (d) selectively growing a thin film on a surface of the second film by supplying a deposition gas to the substrate, wherein (a) through (d) are sequentially performed.
    Type: Application
    Filed: January 19, 2021
    Publication date: May 13, 2021
    Inventors: Hiroshi ASHIHARA, Motomu DEGAI, Takayuki WASEDA
  • Publication number: 20210098258
    Abstract: There is provided a technique that includes: modifying a first surface of a substrate by supplying a modifying gas containing an inorganic ligand to the substrate including the first surface and a second surface different from the first surface; and selectively growing a film on the second surface by supplying a deposition gas to the substrate.
    Type: Application
    Filed: November 25, 2020
    Publication date: April 1, 2021
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Motomu DEGAI, Hiroshi ASHIHARA
  • Publication number: 20200294788
    Abstract: (a) Loading a substrate into a process chamber; (b) supplying a processing gas including H2O-containing radicals to the substrate; (c) supplying a gas including a halogen element; (d) supplying a gas including one or both of an oxygen element and a nitrogen element after (c) ; and (e) repeating (c) and (d) are provided.
    Type: Application
    Filed: February 13, 2020
    Publication date: September 17, 2020
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Hiroshi ASHIHARA, Toshiyuki KIKUCHI
  • Patent number: 10720324
    Abstract: A method of manufacturing a semiconductor device is provided. The method includes forming a film on a substrate by causing a first precursor and a second precursor to intermittently react with each other by repeating a cycle a plurality of times, the cycle alternately performing supplying the first precursor, which satisfies an octet rule and has a first pyrolysis temperature, to the substrate and supplying the second precursor, which does not satisfy the octet rule and has a second pyrolysis temperature lower than the first pyrolysis temperature, to the substrate. In the act of forming the film, a supply amount of the first precursor is set larger than a supply amount of the second precursor.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: July 21, 2020
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kimihiko Nakatani, Hiroshi Ashihara, Hajime Karasawa, Kazuhiro Harada
  • Publication number: 20200219727
    Abstract: There is provided a technique that includes selectively doping a metal film with a dopant by performing: supplying a dopant-containing gas containing the dopant to a substrate in which the metal film and a film other than the metal film are formed on a film in which the dopant is doped; and removing the dopant-containing gas from above the substrate.
    Type: Application
    Filed: March 13, 2020
    Publication date: July 9, 2020
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Motomu DEGAI, Hiroshi ASHIHARA
  • Publication number: 20200135455
    Abstract: There is provided a technique that includes filling a concave portion formed on a surface of a substrate with a first film and a second film by performing: (a) forming the first film having a hollow portion using a first precursor so as to fill the concave portion formed on the surface of the substrate; (b) etching a portion of the first film which makes contact with the hollow portion, using an etching agent; and (c) forming the second film on the first film of which the portion is etched, using a second precursor, wherein (b) includes performing, a predetermined number of times: (b-1) modifying a portion of the first film using a modifying agent; and (b-2) selectively etching the modified portion of the first film using the etching agent.
    Type: Application
    Filed: December 27, 2019
    Publication date: April 30, 2020
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kimihiko NAKATANI, Hiroshi ASHIHARA, Motomu DEGAI, Kenji KAMEDA
  • Publication number: 20190393057
    Abstract: A substrate processing apparatus includes: a single frequency process chamber installed inside a process module and for processing a substrate on which an insulating film is formed; a two-frequency process chamber installed adjacent to the single frequency process chamber inside the process module and for processing the substrate processed in the single frequency process chamber; a gas supply part configured to supply a silicon-containing gas containing at least silicon and an impurity to each of the process chambers; a plasma generation part connected to each of the process chambers; an ion control part connected to the two-frequency process chamber; a substrate transfer part installed inside the process module and configured to transfer the substrate between the single frequency process chamber and the two-frequency process chamber; and a controller configured to control at least the gas supply part, the plasma generation part, the ion control part, and the substrate transfer part.
    Type: Application
    Filed: September 4, 2019
    Publication date: December 26, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Satoshi SHIMAMOTO, Hiroshi ASHIHARA, Kazuyuki TOYODA, Naofumi OHASHI
  • Publication number: 20190371609
    Abstract: Described herein is a technique capable of selectively growing a film with a high selectivity on a substrate with surface portions of different materials. According to one aspect of the technique of the present disclosure, there is provided a method of manufacturing a semiconductor device including: (a) forming a second metal film on a substrate with a first metal film and an insulating film formed thereon by alternately supplying a metal-containing gas and a reactive gas onto the substrate, wherein an incubation time on the insulating film is longer than that on the first metal film; and (b) supplying an etching gas onto the substrate to remove the second metal film formed on the insulating film while allowing the second metal film to remain on the first metal film, wherein the second metal film is selectively grown on the first metal film by alternately repeating (a) and (b).
    Type: Application
    Filed: August 8, 2019
    Publication date: December 5, 2019
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Motomu DEGAI, Kimihiko NAKATANI, Hiroshi ASHIHARA