Patents by Inventor Yuji Takebayashi

Yuji Takebayashi 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: 20200095676
    Abstract: Described herein is a technique capable of suppressing deposits. According to one aspect of the technique, there is provided a method including: (a) supplying a source gas into a process chamber through a source gas nozzle while heating the process chamber; and (b) supplying a reactive gas into the process chamber, wherein (a) and (b) are alternately performed one by one to form a film on the plurality of the substrates while satisfying conditions including: (i) a supply time of the source gas in (a) in each cycle is 20 seconds or less; (ii) a pressure of the source gas in the source gas nozzle in (a) is 50 Pa or less; (iii) an inner temperature of the process chamber in (a) is 500° C. or less; and (iv) number of cycles performed continuously to form the film on the plurality of the substrates is 100 cycles or less.
    Type: Application
    Filed: August 28, 2019
    Publication date: March 26, 2020
    Inventors: Yuji TAKEBAYASHI, Kosuke TAKAGI, Atsushi HIRANO, Ryuichi NAKAGAWA, Noriyuki ISOBE
  • Publication number: 20190093224
    Abstract: A technique capable of adjusting a thickness balance of a film between substrates stacked in a process chamber of a substrate processing apparatus, includes a method of manufacturing a semiconductor device, including: (a) supplying source gas to substrates through a first nozzle vertically disposed along a stacking direction of the substrates in a process chamber where the substrates are stacked and accommodated; and (b) supplying reactive gas to the substrates through a second nozzle provided with opening portions and vertically disposed along the stacking direction of the substrates in the process chamber while adjusting a partial pressure balance of the reactive gas in the stacking direction of the substrates to a desired state along the stacking direction of the substrates, wherein an opening area of each of the opening portions increases along a direction from an upstream side to a downstream side of the second nozzle.
    Type: Application
    Filed: September 20, 2018
    Publication date: March 28, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Ryosuke YOSHIDA, Yukinao KAGA, Yuji TAKEBAYASHI, Masanori SAKAI, Atsushi HIRANO
  • Publication number: 20190093222
    Abstract: A method of manufacturing a semiconductor device, includes: supplying precursor gas into process chamber in which plural substrates are accommodated by sequentially performing: supplying inert gas at first inert gas flow rate from first nozzle into the process chamber; supplying the inert gas at second inert gas flow rate higher than the first inert gas flow rate from the first nozzle into the process chamber while supplying precursor gas from the first nozzle into the process chamber; and supplying the inert gas at the first inert gas flow rate from the first nozzle into the process chamber while the process chamber is evacuated from an upstream side of flow of the precursor gas; stopping supply of the precursor gas; removing the precursor gas remaining in the process chamber; supplying reaction gas from a second nozzle into the process chamber; and removing the reaction gas remaining in the process chamber.
    Type: Application
    Filed: September 20, 2018
    Publication date: March 28, 2019
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Kazuyuki OKUDA, Masayoshi MINAMI, Yoshinobu NAKAMURA, Kosuke TAKAGI, Yukinao KAGA, Yuji TAKEBAYASHI
  • Publication number: 20180374734
    Abstract: A substrate processing apparatus, includes: a substrate holder including at least one support column to which a mounting part on which a substrate is mounted is attached and at least one auxiliary support column to which the mounting part is not attached, wherein the substrate holder is configured such that a diameter of the auxiliary support column is smaller than a diameter of the support column, and wherein the substrate holder is configured such that when the substrate is held by the mounting part, an end portion of the substrate and each of the support column is spaced apart from each other by a predetermined length.
    Type: Application
    Filed: August 10, 2018
    Publication date: December 27, 2018
    Applicant: KOKUSAI ELECTRIC CORPORATION
    Inventors: Atsushi HIRANO, Yuji TAKEBAYASHI, Yukinao KAGA, Masanori SAKAI, Masakazu SHIMADA
  • Patent number: 9768012
    Abstract: There is provided a substrate processing method, comprising the steps of: supplying source gas into a processing chamber in which substrates are accommodated; removing the source gas and an intermediate body of the source gas remained in the processing chamber; supplying ozone into the processing chamber in a state of substantially stopping exhaust of an atmosphere in the processing chamber; and removing the ozone and the intermediate body of the ozone remained in the processing chamber; with these steps repeated multiple number of times, to thereby form an oxide film on the surface of the substrates by supplying the source gas and the ozone alternately so as not to be mixed with each other.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: September 19, 2017
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hirohisa Yamazaki, Yuji Takebayashi, Masanori Sakai, Tsutomu Kato
  • Publication number: 20170232457
    Abstract: A substrate processing apparatus includes: a process chamber accommodating substrates; a heating system for heating the process chamber to a predetermined temperature; a precursor gas supply system including a precursor gas nozzle and for supplying a precursor gas from the precursor gas nozzle to the process chamber; a reaction gas supply system configured to supply a reaction gas reacting with the precursor gas in the process chamber; and a control part configured to control the heating system, the precursor gas supply system and the reaction gas supply system to form a film on each of the plurality of substrates by performing a process, while heating the process chamber accommodating the plurality of substrates to the predetermined temperature. The process includes supplying the precursor gas from the precursor gas nozzle to the process chamber and supplying the reaction gas to the process chamber.
    Type: Application
    Filed: February 14, 2017
    Publication date: August 17, 2017
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Toshiki FUJINO, Yuma FUJII, Kazuki NONOMURA, Yoshinori BABA, Yuji TAKEBAYASHI, Kenichi SUZAKI
  • Patent number: 9708708
    Abstract: A film is efficiently formed by sufficiently supplying a source gas to substrates accommodated in a process chamber, and the uniformity of a film formed on the substrates is improved. A method of a semiconductor device manufacturing includes (a) supplying a source gas to an upper region of a process chamber through a first gas supply hole disposed at a front end of a first nozzle disposed in a lower region of the process chamber where the source gas is not pyrolyzed; (b) supplying the source gas to substrates disposed in the lower region and a middle region of the process chamber through a plurality of second gas supply holes of a second nozzle; and (c) supplying a reactive gas to substrates disposed in the lower region, the middle region and the upper region of the process chamber through a plurality of third gas supply holes of a third nozzle.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: July 18, 2017
    Assignee: Hitachi Kokusai Electric, Inc.
    Inventors: Noriyuki Isobe, Yuji Takebayashi, Kenichi Suzaki, Takeshi Kasai, Atsushi Hirano, Koichi Oikawa
  • Patent number: 9646821
    Abstract: A method of manufacturing a semiconductor device includes processing a substrate accommodated in a process container accommodated in a housing by supplying a process gas onto the substrate; and exhausting the process container using an exhaust system comprising a first exhaust pipe connected to the process container, the first exhaust pipe having circular or oval cross-section perpendicular to an exhausting direction thereof; and a second exhaust pipe connected to the first exhaust pipe, the second exhaust pipe having square or rectangular cross-section perpendicular to the exhausting direction, wherein at least a portion of the second exhaust pipe is disposed within the housing.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: May 9, 2017
    Assignee: Hitachi Kokusai Electric, Inc.
    Inventors: Tetsuo Yamamoto, Tsutomu Kato, Satoshi Okada, Yuji Takebayashi
  • Publication number: 20170067159
    Abstract: A film is efficiently formed by sufficiently supplying a source gas to substrates accommodated in a process chamber, and the uniformity of a film formed on the substrates is improved. A method of a semiconductor device manufacturing includes (a) supplying a source gas to an upper region of a process chamber through a first gas supply hole disposed at a front end of a first nozzle disposed in a lower region of the process chamber where the source gas is not pyrolyzed; (b) supplying the source gas to substrates disposed in the lower region and a middle region of the process chamber through a plurality of second gas supply holes of a second nozzle; and (c) supplying a reactive gas to substrates disposed in the lower region, the middle region and the upper region of the process chamber through a plurality of third gas supply holes of a third nozzle.
    Type: Application
    Filed: September 8, 2016
    Publication date: March 9, 2017
    Inventors: Noriyuki ISOBE, Yuji TAKEBAYASHI, Kenichi SUZAKI, Takeshi KASAI, Atsushi HIRANO, Koichi OIKAWA
  • Patent number: 9496134
    Abstract: Provided is a substrate processing apparatus capable of suppressing accumulation of reaction products or decomposed matters on an inner wall of a nozzle and suppressing scattering of foreign substances in a process chamber. The substrate processing apparatus includes a process chamber, a heating unit, a source gas supply unit, a source gas nozzle, an exhaust unit, and a control unit configured to control at least the heating unit, the source gas supply unit and the exhaust unit. The source gas nozzle is disposed at a region in the process chamber, in which a first process gas is not decomposed even under a temperature in the process chamber higher than a pyrolysis temperature of the first process gas, and the control unit supplies the first process gas into the process chamber two or more times at different flow velocities to prevent the first process gas from being mixed.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: November 15, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Shinya Sasaki, Yuji Takebayashi, Shintaro Kogura
  • Patent number: 9437421
    Abstract: A substrate processing apparatus includes a process chamber in which a substrate is accommodated; a source gas supply system configured to supply a source gas onto the substrate; first and second reactive gas supply systems configured to supply a reactive gas onto the substrate via first and second interconnected reactive gas supply pipes, wherein a gas storage unit is installed at the second reactive gas supply pipe to store the reactive gas and the reactive gas is supplied onto the substrate via the gas storage unit; and a control unit configured to control the source gas supply system to supply the source gas onto the substrate and to control the first and second reactive gas supply systems to supply the reactive gas onto the substrate via the first and second reactive gas supply pipes.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: September 6, 2016
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Yuji Takebayashi, Masakazu Shimada, Atsushi Morikawa
  • Publication number: 20160079070
    Abstract: A method of manufacturing a semiconductor device includes forming a film on a substrate by performing a predetermined number times a cycle including: supplying a first process gas to the substrate; and supplying a second process gas to the substrate, wherein the act of supplying the first process gas and the supplying the second process gas are performed in a state where the substrate is maintained at a predetermined temperature of room temperature or more and 450 degrees C. or less; and a third process gas, which reacts with byproducts produced by a reaction of the first process gas and the second process gas, is supplied to the substrate simultaneously with at least one of the act of supplying the first process gas or the act of supplying the second process gas.
    Type: Application
    Filed: September 1, 2015
    Publication date: March 17, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Arito OGAWA, Yuji TAKEBAYASHI
  • Publication number: 20150243493
    Abstract: There is provided a substrate processing method, comprising the steps of: supplying source gas into a processing chamber in which substrates are accommodated; removing the source gas and an intermediate body of the source gas remained in the processing chamber; supplying ozone into the processing chamber in a state of substantially stopping exhaust of an atmosphere in the processing chamber; and removing the ozone and the intermediate body of the ozone remained in the processing chamber; with these steps repeated multiple number of times, to thereby form an oxide film on the surface of the substrates by supplying the source gas and the ozone alternately so as not to be mixed with each other.
    Type: Application
    Filed: May 13, 2015
    Publication date: August 27, 2015
    Inventors: Hirohisa YAMAZAKI, Yuji TAKEBAYASHI, Masanori SAKAI, Tsutomu KATO
  • Publication number: 20150162184
    Abstract: A method of manufacturing a semiconductor device includes processing a substrate accommodated in a process container accommodated in a housing by supplying a process gas onto the substrate; and exhausting the process container using an exhaust system comprising a first exhaust pipe connected to the process container, the first exhaust pipe having circular or oval cross-section perpendicular to an exhausting direction thereof; and a second exhaust pipe connected to the first exhaust pipe, the second exhaust pipe having square or rectangular cross-section perpendicular to the exhausting direction, wherein at least a portion of the second exhaust pipe is disposed within the housing.
    Type: Application
    Filed: February 13, 2015
    Publication date: June 11, 2015
    Inventors: Tetsuo YAMAMOTO, Tsutomu KATO, Satoshi OKADA, Yuji TAKEBAYASHI
  • Patent number: 8866271
    Abstract: A semiconductor device manufacturing method includes loading a substrate, on which a high-k film is formed, into a processing chamber, performing a reforming process by heating the high-k film through irradiation of a microwave on the substrate, and unloading the substrate from the processing chamber.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: October 21, 2014
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Katsuhiko Yamamoto, Yuji Takebayashi, Tatsuyuki Saito, Masahisa Okuno
  • Patent number: 8828141
    Abstract: A substrate processing apparatus of the present invention comprises: a processing chamber for storing and processing substrates stacked in multiple stages in horizontal posture; a processing gas supply unit for supplying two or more types of the processing gases to the inside of the processing chamber; an inactive gas supply unit for supplying an inactive gas to the inside of the processing chamber; and an exhaust unit for exhausting an atmosphere of the inside of the processing chamber, wherein the processing gas supply unit has at least two processing gas supply nozzles which extend running along an inner wall of the processing chamber in the stacking direction of the substrates and supply the processing gas to the inside of the processing chamber, and the inactive gas supply unit has a pair of inactive gas supply nozzles which are provided so as to extend running along the inner wall of the processing chamber in the stacking direction of the substrates and so as to sandwich at least one processing gas supp
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: September 9, 2014
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Masanori Sakai, Yuji Takebayashi, Tsutomu Kato, Shinya Sasaki, Hirohisa Yamazaki
  • Publication number: 20140213069
    Abstract: A substrate processing apparatus includes a process chamber in which a substrate is accommodated; a source gas supply system configured to supply a source gas onto the substrate; first and second reactive gas supply systems configured to supply a reactive gas onto the substrate via first and second interconnected reactive gas supply pipes, wherein a gas storage unit is installed at the second reactive gas supply pipe to store the reactive gas and the reactive gas is supplied onto the substrate via the gas storage unit; and a control unit configured to control the source gas supply system to supply the source gas onto the substrate and to control the first and second reactive gas supply systems to supply the reactive gas onto the substrate via the first and second reactive gas supply pipes.
    Type: Application
    Filed: January 23, 2014
    Publication date: July 31, 2014
    Applicant: Hitachi Kokusai Electric Inc.
    Inventors: Yuji Takebayashi, Masakazu Shimada, Atsushi Morikawa
  • Publication number: 20140182515
    Abstract: A substrate processing apparatus includes: a processing chamber configured to accommodate a substrate; a vaporized gas supply system which includes a vaporizer to vaporize a liquid precursor into a vaporized gas and is configured to supply the vaporized gas into the processing chamber; and a control unit configured to control the vaporized gas supply system to supply a liquid precursor and a carrier gas into a vaporization chamber formed in the vaporizer such that a ratio of a partial pressure of the liquid precursor to a total pressure in the vaporization chamber is equal to or lower than 20%.
    Type: Application
    Filed: December 26, 2013
    Publication date: July 3, 2014
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hirohisa YAMAZAKI, Yuji TAKEBAYASHI
  • Patent number: 8741731
    Abstract: A high-k capacitor insulating film stable at a higher temperature is formed. There is provided a method of manufacturing a semiconductor device. The method comprises: forming a first amorphous insulating film comprising a first element on a substrate; adding a second element different from the first element to the first amorphous insulating film so as to form a second amorphous insulating film on the substrate; and annealing the second amorphous insulating film at a predetermined annealing temperature so as to form a third insulating film by changing a phase of the second amorphous insulating film. The concentration of the second element added to the first amorphous insulating film is controlled according to the annealing temperature.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: June 3, 2014
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Yuji Takebayashi, Hirohisa Yamazaki, Sadayoshi Horii, Hideharu Itatani, Arito Ogawa
  • Patent number: D828091
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: September 11, 2018
    Assignee: HITACHI KOKUSAI ELECTRIC, INC.
    Inventors: Toshiki Fujino, Yuma Fujii, Kazuki Nonomura, Yoshinori Baba, Yuji Takebayashi, Kenichi Suzaki