Patents by Inventor Risa YAMAKOSHI

Risa YAMAKOSHI 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: 11450524
    Abstract: There is provided a technique that includes a process chamber in which a process is performed to a substrate, the process including forming a film containing a main element, a first nozzle configured to supply a precursor containing the main element to the substrate in the process chamber, and a second nozzle configured to supply a reactant to the substrate in the process chamber. The first nozzle includes a first ceiling hole provided at a ceiling portion of the first nozzle and opened in a vertical direction, and a plurality of first side holes provided at a side portion of the first nozzle and opened in a horizontal direction. An opening area of the first ceiling hole is larger than an opening area of each of the plurality of first side holes.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: September 20, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kosuke Takagi, Risa Yamakoshi, Takanori Ueno
  • Patent number: 11041240
    Abstract: There is provided a technique that includes: a process chamber in which a process of forming a film containing a main element on a substrate is performed; a first nozzle configured to supply a precursor containing the main element to the substrate in the process chart; a second nozzle separated from the first nozzle and configured to supply the precursor to the substrate in the process chamber; a third nozzle configured to supply a reactant to the substrate in the process chamber; and a plurality of first exhaust ports configured to exhaust an internal atmosphere of the process chamber, wherein each of the plurality of first exhaust ports is disposed at a position which does not face a first gas ejection hole of the first nozzle and a second gas ejection hole of the second nozzle, in a plan view.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: June 22, 2021
    Assignee: HITACHI KOKUSAI ELECTRIC, INC.
    Inventors: Kosuke Takagi, Risa Yamakoshi, Hideki Horita, Atsushi Hirano
  • Patent number: 10607833
    Abstract: There is provided a method of manufacturing a semiconductor device, including forming a film on a substrate 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 first oxygen-containing gas to the substrate. Further, the act of supplying the precursor gas includes a time period in which the precursor gas and a second oxygen-containing gas are simultaneously supplied to the substrate.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: March 31, 2020
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Katsuyoshi Harada, Takashi Ozaki, Masato Terasaki, Risa Yamakoshi, Satoshi Shimamoto, Jiro Yugami, Yoshiro Hirose
  • Patent number: 10513775
    Abstract: A method of manufacturing a semiconductor device, includes: forming an oxynitride film on a substrate by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing supplying a precursor gas to the substrate through a first nozzle, supplying a nitriding gas to the substrate through a second nozzle, and supplying an oxidizing gas to the substrate through a third nozzle, wherein in the act of supplying the nitriding gas, an inert gas is supplied from at least one of the first nozzle and the third nozzle at a first flow rate, and in the act of supplying the oxidizing gas, an inert gas is supplied from the second nozzle at a second flow rate larger than the first flow rate.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: December 24, 2019
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Risa Yamakoshi, Masato Terasaki, Takashi Ozaki, Naonori Akae, Hideki Horita
  • Publication number: 20180363137
    Abstract: Provided is a technology including a nozzle base end portion which is provided in a processing chamber processing a substrate to extend in a vertical direction and into which a processing gas processing the substrate is introduced, a nozzle distal end portion which is configured in a U shape and in which a gas supply hole supplying the processing gas is provided to a side surface of the substrate, and a gas residence suppressing hole which is provided in a downstream end of the nozzle distal end portion and has a diameter larger than that of the gas supply hole.
    Type: Application
    Filed: August 22, 2018
    Publication date: December 20, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kosuke TAKAGI, Ryota SASAJIMA, Shintaro KOGURA, Naonori AKAE, Risa YAMAKOSHI, Toshiki FUJINO, Masato TERASAKI, Masanori MINAMI
  • Publication number: 20180277355
    Abstract: There is provided a technique that includes a process chamber in which a process is performed to a substrate, the process including forming a film containing a main element, a first nozzle configured to supply a precursor containing the main element to the substrate in the process chamber, and a second nozzle configured to supply a reactant to the substrate in the process chamber. The first nozzle includes a first ceiling hole provided at a ceiling portion of the first nozzle and opened in a vertical direction, and a plurality of first side holes provided at a side portion of the first nozzle and opened in a horizontal direction. An opening area of the first ceiling hole is larger than an opening area of each of the plurality of first side holes.
    Type: Application
    Filed: March 14, 2018
    Publication date: September 27, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kosuke TAKAGI, Risa YAMAKOSHI, Takanori UENO
  • Publication number: 20180274098
    Abstract: There is provided a technique that includes: a process chamber in which a process of forming a film containing a main element on a substrate is performed; a first nozzle configured to supply a precursor containing the main element to the substrate in the process chart; a second nozzle separated from the first nozzle and configured to supply the precursor to the substrate in the process chamber; a third nozzle configured to supply a reactant to the substrate in the process chamber; and a plurality of first exhaust ports configured to exhaust an internal atmosphere of the process chamber, wherein each of the plurality of first exhaust ports is disposed at a position which does not face a first gas ejection hole of the first nozzle and a second gas ejection hole of the second nozzle, in a plan view.
    Type: Application
    Filed: March 22, 2018
    Publication date: September 27, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kosuke TAKAGI, Risa YAMAKOSHI, Hideki HORITA, Atsushi HIRANO
  • Patent number: 10081868
    Abstract: Provided is a technology including a nozzle base end portion which is provided in a processing chamber processing a substrate to extend in a vertical direction and into which a processing gas processing the substrate is introduced, a nozzle distal end portion which is configured in a U shape and in which a gas supply hole supplying the processing gas is provided to a side surface of the substrate, and a gas residence suppressing hole which is provided in a downstream end of the nozzle distal end portion and has a diameter larger than that of the gas supply hole.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: September 25, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kosuke Takagi, Ryota Sasajima, Shintaro Kogura, Naonori Akae, Risa Yamakoshi, Toshiki Fujino, Masato Terasaki, Masayoshi Minami
  • Patent number: 9934960
    Abstract: A technique capable of suppressing the generation of foreign matter in a process container involves a method of manufacturing a semiconductor device including: (a) supplying a source gas to a substrate in a process container; (b) supplying an inert gas to an inner wall of an opening of the process container at a first flow rate while performing (a); (c) supplying a reactive gas to the substrate; and (d) supplying the inert gas to the inner wall at a second flow rate lower than the first flow rate while performing (c).
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: April 3, 2018
    Assignee: Hitachi Kokusai Electric, Inc.
    Inventors: Hideki Horita, Risa Yamakoshi, Masato Terasaki
  • Patent number: 9905413
    Abstract: A method of manufacturing a semiconductor device may include: performing a cycle a predetermined number of times to form an oxynitride film on a substrate, the cycle including: (a) supplying a source gas to the substrate via a first nozzle; and (b) supplying a nitriding gas and an oxidizing gas to the substrate via a second nozzle different from the first nozzle, wherein (a) and (b) are performed non-simultaneously, wherein (b) may include: (b-1) supplying only the oxidizing gas while suspending a supply of the nitriding gas; and (b-2) simultaneously supplying the nitriding gas and the oxidizing gas, wherein (b-1) and (b-2) are consecutively performed.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: February 27, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC, INC.
    Inventors: Risa Yamakoshi, Takashi Ozaki, Masato Terasaki, Naonori Akae, Hideki Horita
  • Publication number: 20170298508
    Abstract: A method of manufacturing a semiconductor device, includes: forming an oxynitride film on a substrate by performing a cycle a predetermined number of times, the cycle including non-simultaneously performing supplying a precursor gas to the substrate through a first nozzle, supplying a nitriding gas to the substrate through a second nozzle, and supplying an oxidizing gas to the substrate through a third nozzle, wherein in the act of supplying the nitriding gas, an inert gas is supplied from at least one of the first nozzle and the third nozzle at a first flow rate, and in the act of supplying the oxidizing gas, an inert gas is supplied from the second nozzle at a second flow rate larger than the first flow rate.
    Type: Application
    Filed: July 6, 2017
    Publication date: October 19, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Risa YAMAKOSHI, Masato TERASAKI, Takashi OZAKI, Naonori AKAE, Hideki HORITA
  • Publication number: 20170178889
    Abstract: A method of manufacturing a semiconductor device may include: performing a cycle a predetermined number of times to form an oxynitride film on a substrate, the cycle including: (a) supplying a source gas to the substrate via a first nozzle; and (b) supplying a nitriding gas and an oxidizing gas to the substrate via a second nozzle different from the first nozzle, wherein (a) and (b) are performed non-simultaneously, wherein (b) may include: (b-1) supplying only the oxidizing gas while suspending a supply of the nitriding gas; and (b-2) simultaneously supplying the nitriding gas and the oxidizing gas, wherein (b-1) and (b-2) are consecutively performed.
    Type: Application
    Filed: March 8, 2017
    Publication date: June 22, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Risa YAMAKOSHI, Takashi OZAKI, Masato TERASAKI, Naonori AKAE, Hideki HORITA
  • Publication number: 20170170004
    Abstract: There is provided a method of manufacturing a semiconductor device, including forming a film on a substrate 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 first oxygen-containing gas to the substrate. Further, the act of supplying the precursor gas includes a time period in which the precursor gas and a second oxygen-containing gas are simultaneously supplied to the substrate.
    Type: Application
    Filed: December 13, 2016
    Publication date: June 15, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Katsuyoshi HARADA, Takashi OZAKI, Masato TERASAKI, Risa YAMAKOSHI, Satoshi SHIMAMOTO, Jiro YUGAMI, Yoshiro HIROSE
  • Publication number: 20170051408
    Abstract: Provided is a technology including a nozzle base end portion which is provided in a processing chamber processing a substrate to extend in a vertical direction and into which a processing gas processing the substrate is introduced, a nozzle distal end portion which is configured in a U shape and in which a gas supply hole supplying the processing gas is provided to a side surface of the substrate, and a gas residence suppressing hole which is provided in a downstream end of the nozzle distal end portion and has a diameter larger than that of the gas supply hole.
    Type: Application
    Filed: July 15, 2016
    Publication date: February 23, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kosuke TAKAGI, Ryota SASAJIMA, Shintaro KOGURA, Naonori AKAE, Risa YAMAKOSHI, Toshiki FUJINO, Masato TERASAKI, Masayoshi MINAMI
  • Publication number: 20160284539
    Abstract: A technique capable of suppressing the generation of foreign matter in a process container involves a method of manufacturing a semiconductor device including: (a) supplying a source gas to a substrate in a process container; (b) supplying an inert gas to an inner wall of an opening of the process container at a first flow rate while performing (a); (c) supplying a reactive gas to the substrate; and (d) supplying the inert gas to the inner wall at a second flow rate lower than the first flow rate while performing (c).
    Type: Application
    Filed: March 3, 2016
    Publication date: September 29, 2016
    Inventors: Hideki HORITA, Risa YAMAKOSHI, Masato TERASAKI