Patents by Inventor Masakazu Shimada

Masakazu Shimada 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: 11970771
    Abstract: A vaporization system includes a vaporization chamber having a first portion and a second portion. A first fluid supply part is connected to the first portion of the vaporization chamber, and configured to supply a mixed fluid in which a first carrier gas and a liquid precursor are mixed, toward the second portion. A second fluid supply part is configured to supply a second carrier gas toward the mixed fluid at the second portion.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: April 30, 2024
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Atsushi Morikawa, Masakazu Shimada, Takeshi Kasai, Kenichi Suzaki, Hirohisa Yamazaki, Yoshimasa Nagatomi
  • Publication number: 20220186368
    Abstract: A vaporization system includes a vaporization chamber having a first portion and a second portion. A first fluid supply part is connected to the first portion of the vaporization chamber, and configured to supply a mixed fluid in which a first carrier gas and a liquid precursor are mixed, toward the second portion. A second fluid supply part is configured to supply a second carrier gas toward the mixed fluid at the second portion.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 16, 2022
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Atsushi MORIKAWA, Masakazu SHIMADA, Takeshi KASAI, Kenichi SUZAKI, Hirohisa YAMAZAKI, Yoshimasa NAGATOMI
  • Patent number: 11293096
    Abstract: A vaporization system includes a vaporization chamber having a first portion and a second portion. A first fluid supply part is connected to the first portion of the vaporization chamber, and configured to supply a mixed fluid in which a first carrier gas and a liquid precursor are mixed, toward the second portion. A second fluid supply part is configured to supply a second carrier gas toward the mixed fluid at the second portion.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: April 5, 2022
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Atsushi Morikawa, Masakazu Shimada, Takeshi Kasai, Kenichi Suzaki, Hirohisa Yamazaki, Yoshimasa Nagatomi
  • Patent number: 11031270
    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: Grant
    Filed: August 10, 2018
    Date of Patent: June 8, 2021
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Atsushi Hirano, Yuji Takebayashi, Yukinao Kaga, Masanori Sakai, Masakazu Shimada
  • Patent number: 10876207
    Abstract: There is provided a technique that includes: a process chamber accommodating substrate; a storage tank including bottom portion having recess and wall portion and storing liquid precursor; a vaporizing part vaporizing the stored liquid precursor to generate precursor gas; a supply part supplying the generated precursor gas to the process chamber; a sensor disposed in the recess and detecting liquid level of the stored liquid precursor; a replenishment part replenishing the liquid precursor in the storage tank; and a controller controlling the supply part to supply the precursor gas to the process chamber to perform a substrate processing process for processing the substrate, and controlling, each time when the substrate processing process is performed a predetermined number of times, the replenishment part, based on the detected liquid level, to replenish the liquid precursor in the storage tank so that the liquid level becomes a predetermined level.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: December 29, 2020
    Assignee: KOKUSAI ELECTRIC CORPORATION
    Inventors: Noriyuki Isobe, Kenichi Suzaki, Takeshi Kasai, Yoshitaka Kawahara, Masakazu Shimada
  • Publication number: 20190211449
    Abstract: There is provided a technique that includes: a process chamber accommodating substrate; a storage tank including bottom portion having recess and wall portion and storing liquid precursor; a vaporizing part vaporizing the stored liquid precursor to generate precursor gas; a supply part supplying the generated precursor gas to the process chamber; a sensor disposed in the recess and detecting liquid level of the stored liquid precursor; a replenishment part replenishing the liquid precursor in the storage tank; and a controller controlling the supply part to supply the precursor gas to the process chamber to perform a substrate processing process for processing the substrate, and controlling, each time when the substrate processing process is performed a predetermined number of times, the replenishment part, based on the detected liquid level, to replenish the liquid precursor in the storage tank so that the liquid level becomes a predetermined level.
    Type: Application
    Filed: March 15, 2019
    Publication date: July 11, 2019
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Noriyuki ISOBE, Kenichi SUZAKI, Takeshi KASAI, Yoshitaka KAWAHARA, Masakazu SHIMADA
  • 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
  • Publication number: 20180135176
    Abstract: A vaporization system includes a vaporization chamber having a first portion and a second portion. A first fluid supply part is connected to the first portion of the vaporization chamber, and configured to supply a mixed fluid in which a first carrier gas and a liquid precursor are mixed, toward the second portion. A second fluid supply part is configured to supply a second carrier gas toward the mixed fluid at the second portion.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 17, 2018
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Atsushi MORIKAWA, Masakazu SHIMADA, Takeshi KASAI, Kenichi SUZAKI, Hirohisa YAMAZAKI, Yoshimasa NAGATOMI
  • 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
  • Patent number: 9184069
    Abstract: A heating apparatus comprises a heating element, an inner shell for supporting the heating element, an outer shell disposed along the outer boundary of the inner shell, a cooling medium passage for conveying a cooling medium between the inner shell and the outer shell, a first opening provided in the inner shell, a second opening provided in the outer shell, and a partition arranged to extend from the first opening to the second opening for developing at least a space separated from the cooling medium passage and between the inner shell and the outer shell. The heating apparatus further comprises an insulator for shutting up a gap provided between the partition and the second opening.
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: November 10, 2015
    Assignees: Hitachi Kokusai Electric Inc., Teitokusha Co., Ltd.
    Inventors: Akira Hayashida, Masaaki Ueno, Masakazu Shimada, Masashi Sugishita, Toshimitsu Miyata, Kimio Kitamura, Kenji Tanaka, Jyunichi Nishihara
  • Patent number: 8876453
    Abstract: A substrate processing apparatus suppresses vibration of a cover when unloading a boat from a process pipe. The apparatus comprises a boat for placing a substrate, a process pipe configured to accommodate the boat, a cover having the boat placed thereon, the cover configured to open and close a furnace port installed on a lower end of the process pipe, a motor to drive an elevation mechanism which moves the cover upward and downward, a sealing member to seal a space between the cover and the process pipe, and a controller to control motor speed and limit motor torque while the cover moves from the furnace port to a predetermined position. The substrate is maintained at a rest position in the boat during a recovery from a deformation of the cover occurring when separating the sealing member from the cover surface or the process pipe surface.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: November 4, 2014
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Yukinori Aburatani, Masakazu Shimada, Osamu Morita
  • 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
  • Patent number: 8507296
    Abstract: A substrate processing method in a processing chamber, has: accommodating a substrate into a processing chamber; and processing the substrate in the processing chamber on the basis of a correlation of a preset temperature of a heating device, a flow rate of fluid supplied by a cooling device and a temperature deviation between the center side of the substrate accommodated in the processing chamber and the outer peripheral side of the substrate while the substrate accommodated in the processing chamber is optically heated from an outer periphery side of the substrate at a corrected preset temperature by the heating device and the fluid is supplied to the outside of the processing chamber at the flow rate based on the correlation concerned to cool the outer peripheral side of the substrate by the cooling device.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: August 13, 2013
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Masaaki Ueno, Masakazu Shimada, Takeo Hanashima, Haruo Morikawa, Akira Hayashida
  • Patent number: 8501599
    Abstract: A substrate processing apparatus has: a process chamber in which a substrate is processed; a heating device that optically heats the substrate accommodated in the process chamber from an outer periphery side of the substrate; a cooling device that cools the outer periphery side of the substrate by flowing a fluid in a vicinity of an outer periphery of the substrate optically heated by the heating device; a temperature detection portion that detects a temperature inside the process chamber; and a heating control portion that controls the heating device and the cooling device in such a manner so as to provide a temperature difference between a center portion of the substrate and an end portion of the substrate while maintaining a temperature at the center portion at a pre-determined temperature according to the temperature detected by the temperature detection portion.
    Type: Grant
    Filed: February 21, 2007
    Date of Patent: August 6, 2013
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Masaaki Ueno, Masakazu Shimada, Takeo Hanashima, Haruo Morikawa, Akira Hayashida
  • Patent number: 8303712
    Abstract: In a substrate processing apparatus, a process vessel is configured to accommodate and process a substrate held at a horizontal position. A gas introduction port is installed at a periphery of a first side of the process vessel and configured to introduce gas into the process vessel from a lateral direction of the substrate. A gas exhaust port is installed at a second side of the process vessel which is opposite to the first side, and is configured to exhaust gas inside the process vessel from a lateral direction of the substrate. A slope part is installed between the gas introduction port and the gas exhaust port inside the process vessel, and is configured to guide a flow path of the gas introduced into the process vessel.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: November 6, 2012
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Seiyo Nakashima, Tomoyuki Yamada, Masakazu Shimada
  • Patent number: 8158911
    Abstract: A heating apparatus comprises heating elements arranged of a sheet form and having notches or through holes provided therein, a side wall member made of an electrically conductive material and arranged to surround and define the heating space, and holding members disposed at the heating space side of the side wall member for holding at one end the heating elements. Also, extending members are provided, each member comprising an extending-through portion arranged to project from the heating space side of the side wall member and extend through the notch or through hole between both ends in the heating element and projected portions arranged to project at both, front and back, sides of the heating element from the extending-through portion in a direction, which is orthogonal to the extending direction of the extending-through portion, thus to inhibit the displacement of the heating elements along the extending direction.
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: April 17, 2012
    Assignees: Hitachi Kokusai Electric Inc., Teitokusha Co., Ltd.
    Inventors: Akira Hayashida, Masaaki Ueno, Masakazu Shimada, Kimio Kitamura, Kenji Tanaka, Jyunichi Nishihara
  • Patent number: 8148271
    Abstract: A substrate processing apparatus comprises a processing chamber for storing a boat supporting multiple substrates and for processing the multiple substrates, a heater unit installed around the processing chamber for heating the substrates, and a coolant gas supply nozzle including a pipe section extending perpendicular to a main surface of the substrate supported in the boat stored in the processing chamber, and a spray hole formed on the pipe section for spraying coolant gas to at least two of the multiple substrates, wherein the coolant gas supply nozzle is formed so that the cross sectional area of the pipe section in the area where the spray hole is formed is larger than the total opening area of the spray hole.
    Type: Grant
    Filed: July 19, 2006
    Date of Patent: April 3, 2012
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Masaaki Ueno, Akira Hayashida, Masakazu Shimada, Takenori Oka
  • Patent number: 8116618
    Abstract: A heating apparatus comprises a wall for surrounding and defining a heating space, a heating element mounted on the inner side of the wall, reflecting members for reflecting the heat emitted from the heating element. Also, a moving unit joined to one end of each of the reflecting members for moving the reflecting members. Moreover, pivotal members joined to the reflecting members beside more their respective other side than one side of the reflecting members for controlling as pivots the movement of the reflecting member driven by the moving unit.
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: February 14, 2012
    Assignees: Hitachi Kokusai Electric Inc., Teitokusha Co., Ltd.
    Inventors: Akira Hayashida, Masaaki Ueno, Masakazu Shimada, Masashi Sugishita, Toshimitsu Miyata, Kimio Kitamura, Kenji Tanaka, Jyunichi Nishihara
  • Patent number: D651990
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: January 10, 2012
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Masakazu Shimada, Takashi Nogami, Satoshi Aizawa, Seiyo Nakashima, Tomoyuki Yamada, Shinobu Sugiura, Yukinori Aburatani, Mitsuhiro Nagata
  • Patent number: D652395
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: January 17, 2012
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Masakazu Shimada, Takashi Nogami, Satoshi Aizawa, Seiyo Nakashima, Tomoyuki Yamada, Shinobu Sugiura, Yukinori Aburatani, Mitsuhiro Nagata