Patents by Inventor Kazuyuki Toyoda

Kazuyuki Toyoda 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: 9163309
    Abstract: Generation of byproducts is inhibited in a buffer space even in a single-wafer-type apparatus using the buffer space. A method of manufacturing a semiconductor device includes (a) loading a substrate into a process chamber; (b) supplying a first-element-containing gas via a buffer chamber of a shower head to the substrate placed in the process chamber; (c) supplying a second-element-containing gas to the substrate via the buffer chamber; and (d) performing an exhaust process between (b) and (c), wherein (d) includes: exhausting an atmosphere of the buffer chamber; and exhausting an atmosphere of the process chamber after exhausting the atmosphere of the buffer chamber.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: October 20, 2015
    Assignee: Hitachi Kokusai Electric, Inc.
    Inventors: Tetsuo Yamamoto, Kazuhiro Morimitsu, Kazuyuki Toyoda, Kenji Ono, Tadashi Takasaki, Ikuo Hirose, Takafumi Sasaki
  • Publication number: 20150252474
    Abstract: A substrate processing apparatus includes: a process chamber including a source gas supply and a reactive gas supply to process a plurality of substrates in the source gas supply and the reactive gas supply; a substrate placement unit rotating in the process chamber, wherein the plurality of substrates are placed on the substrate placement unit along a rotational direction thereof; a plasma generator to generate plasma in plasma generation chamber installed an upper portion of the reactive gas supply; a coil wound along an outer circumference of the plasma generation chamber, a portion of which adjacent to a sidewall of the plasma generation chamber has a constant curvature; a reactive gas supply system to supply a reactive gas to the reactive gas supply via the plasma generation chamber through a ceiling of the plasma generation chamber; and a source gas supply system to supply a source gas.
    Type: Application
    Filed: March 6, 2015
    Publication date: September 10, 2015
    Applicant: Hitachi Kokusai Electric Inc.
    Inventors: Hideharu ITATANI, Tetsuaki INADA, Motonari TAKEBAYASHI, Kazuyuki TOYODA
  • Publication number: 20150228476
    Abstract: A plasma processing apparatus comprises a processing chamber in which a plurality of substrates are stacked and accommodated; a pair of electrodes extending in the stacking direction of the plurality of substrates, which are disposed at one side of the plurality of substrates in said processing chamber, and to which high frequency electricity is applied; and a gas supply member which supplies processing gas into a space between the pair of electrodes.
    Type: Application
    Filed: April 20, 2015
    Publication date: August 13, 2015
    Applicant: Hitachi Kokusai Electric Inc.
    Inventors: Kazuyuki Toyoda, Yasuhiro Inokuchi, Motonari Takebayashi, Tadashi Kontani, Nobuo Ishimaru
  • Publication number: 20150221503
    Abstract: A method of manufacturing a semiconductor device is disclosed. The method includes (a) loading a substrate into a process chamber; (b) processing the substrate by supplying a process gas into the process chamber via a shower head disposed above the process chamber and including a buffer chamber; (c) unloading the substrate from the process chamber; and (d) cleaning the buffer chamber and the process chamber after performing the step (c), wherein the step (d) comprises: (d-1) cleaning the buffer chamber by a plasma generation from a cleaning gas in the buffer chamber by a plasma generation unit including a plasma generation region switching unit; and (d-2) cleaning the process chamber by switching the plasma generation from the cleaning gas in the buffer chamber to a plasma generation from the cleaning gas in the process chamber by the plasma generation region switching unit.
    Type: Application
    Filed: December 11, 2014
    Publication date: August 6, 2015
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kazuyuki TOYODA, Tadashi TAKASAKI, Hiroshi ASHIHARA, Atsushi SANO, Naonori AKAE, Hidehiro YANAI
  • Publication number: 20150194306
    Abstract: There is provided a method of manufacturing a semiconductor device by processing a substrate by alternately supplying a first processing gas and a second processing gas plasmatized by a plasma unit to a processing container. The method includes: starting a supply of an electric power to plasmatize the second processing gas to the plasma unit without supplying the second processing gas to the plasma unit; and starting a supply of the second processing gas with the electric power being supplied to the plasma unit.
    Type: Application
    Filed: March 18, 2015
    Publication date: July 9, 2015
    Inventors: Yukitomo HIROCHI, Kazuyuki TOYODA, Kazuhiro MORIMITSU, Taketoshi SATO, Tetsuo YAMAMOTO
  • Publication number: 20150194304
    Abstract: There is provided a substrate processing apparatus that alternately supplies a first processing gas and a second processing gas in plasma state to a processing container and processes a substrate. The apparatus includes a first gas supply system configured to supply the first processing gas, a second gas supply system configured to supply the second processing gas, a plasma unit arranged at an upstream side of the processing container to plasmatize at least the second processing gas, and a controller configured to control the first gas supply system and the second gas supply system to alternately supply the first processing gas and the second processing gas and control the plasma unit to apply an electric power to plasmatize the second processing gas before a supply of the second processing gas starts.
    Type: Application
    Filed: March 14, 2014
    Publication date: July 9, 2015
    Applicant: Hitachi Kokusai Electric Inc.
    Inventors: Yukitomo Hirochi, Kazuyuki Toyoda, Kazuhiro Morimitsu, Taketoshi Sato, Tetsuo Yamamoto
  • Patent number: 9070554
    Abstract: A method of manufacturing a semiconductor device includes supplying a precursor gas to a substrate; supplying a reaction gas to a plasma generation region; supplying high frequency power to the plasma generation region; and generating plasma of the reaction gas by adjusting a pressure of the plasma generation region to a first pressure before the reaction gas is supplied and adjusting the pressure of the plasma generation region to a second pressure lower than the first pressure while the reaction gas and the high frequency power are supplied.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: June 30, 2015
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kazuyuki Toyoda, Yukitomo Hirochi, Tetsuo Yamamoto, Kazuhiro Morimitsu, Tadashi Takasaki
  • Patent number: 9064695
    Abstract: There is provided a substrate processing apparatus that alternately supplies a first processing gas and a second processing gas in plasma state to a processing container and processes a substrate. The apparatus includes a first gas supply system configured to supply the first processing gas, a second gas supply system configured to supply the second processing gas, a plasma unit arranged at an upstream side of the processing container to plasmatize at least the second processing gas, and a controller configured to control the first gas supply system and the second gas supply system to alternately supply the first processing gas and the second processing gas and control the plasma unit to apply an electric power to plasmatize the second processing gas before a supply of the second processing gas starts.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: June 23, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Yukitomo Hirochi, Kazuyuki Toyoda, Kazuhiro Morimitsu, Taketoshi Sato, Tetsuo Yamamoto
  • Patent number: 9039912
    Abstract: A plasma processing apparatus comprises a processing chamber in which a plurality of substrates are stacked and accommodated; a pair of electrodes extending in the stacking direction of the plurality of substrates, which are disposed at one side of the plurality of substrates in said processing chamber, and to which high frequency electricity is applied; and a gas supply member which supplies processing gas into a space between the pair of electrodes.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: May 26, 2015
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kazuyuki Toyoda, Yasuhiro Inokuchi, Motonari Takebayashi, Tadashi Kontani, Nobuo Ishimaru
  • Patent number: 9023429
    Abstract: A method of manufacturing a semiconductor device including: mounting a substrate on a substrate mounting member that is disposed in a reaction container; heating the substrate at a predetermined processing temperature and supplying a first gas and a second gas to the substrate to process the substrate; stopping supply of the first gas and the second gas, and supplying an inert gas into the reaction container; and unloading the substrate to outside the reaction container.
    Type: Grant
    Filed: September 25, 2012
    Date of Patent: May 5, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Yuichiro Takeshima, Osamu Kasahara, Kazuyuki Toyoda, Junichi Tanabe, Katsuhiko Yamamoto, Hisashi Nomura
  • Publication number: 20150093913
    Abstract: A method of manufacturing a semiconductor device includes supplying a precursor gas to a substrate; supplying a reaction gas to a plasma generation region; supplying high frequency power to the plasma generation region; and generating plasma of the reaction gas by adjusting a pressure of the plasma generation region to a first pressure before the reaction gas is supplied and adjusting the pressure of the plasma generation region to a second pressure lower than the first pressure while the reaction gas and the high frequency power are supplied.
    Type: Application
    Filed: September 24, 2014
    Publication date: April 2, 2015
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kazuyuki TOYODA, Yukitomo HIROCHI, Tetsuo YAMAMOTO, Kazuhiro MORIMITSU, Tadashi TAKASAKI
  • Publication number: 20150093916
    Abstract: Generation of byproducts is inhibited in a buffer space even in a single-wafer-type apparatus using the buffer space. A method of manufacturing a semiconductor device includes (a) loading a substrate into a process chamber; (b) supplying a first-element-containing gas via a buffer chamber of a shower head to the substrate placed in the process chamber; (c) supplying a second-element-containing gas to the substrate via the buffer chamber; and (d) performing an exhaust process between (b) and (c), wherein (d) includes: exhausting an atmosphere of the buffer chamber; and exhausting an atmosphere of the process chamber after exhausting the atmosphere of the buffer chamber.
    Type: Application
    Filed: September 26, 2014
    Publication date: April 2, 2015
    Inventors: Tetsuo YAMAMOTO, Kazuhiro MORIMITSU, Kazuyuki TOYODA, Kenji ONO, Tadashi TAKASAKI, Ikuo HIROSE, Takafumi SASAKI
  • Publication number: 20150087160
    Abstract: A substrate processing apparatus includes: a processing gas supply pipe configured to supply a processing gas into a processing chamber; a substrate mounting table that is installed in the processing chamber and on which a substrate to be processed is mounted; a driving unit configured to drive the substrate mounting table to move the substrate mounted on the substrate mounting table; a first plasma generating unit configured to generate plasma of the processing gas supplied into the processing chamber with a first density; and a second plasma generating unit that is installed adjacent to the first plasma generating unit in a traveling direction of the substrate and configured to generate plasma of the processing gas supplied into the processing chamber with a second density lower than the first density.
    Type: Application
    Filed: September 17, 2014
    Publication date: March 26, 2015
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kazuyuki TOYODA, Tetsuaki INADA
  • Patent number: 8925562
    Abstract: A substrate processing apparatus includes a first gas supply system provided with a source gas supply control unit; a second gas supply system provided with a reactive gas supply control unit; a third gas supply system provided with a cleaning gas supply control unit; a shower head unit including a buffer chamber connected to the gas supply systems and a dispersion plate installed at a downstream side of the buffer chamber; a substrate support installed at a downstream side of the dispersion plate and electrically grounded; a process chamber accommodating the substrate support; a plasma generation unit including a power supply and a switch configured to switch plasma generation between the buffer chamber and the process chamber; and a control unit configured to control the source gas supply control unit, the reactive gas supply control unit and the plasma generation unit.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: January 6, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Kazuyuki Toyoda, Tadashi Takasaki, Hiroshi Ashihara, Atsushi Sano, Naonori Akae, Hidehiro Yanai
  • Publication number: 20140087567
    Abstract: Provided is a substrate processing apparatus including: a substrate mounting portion provided in a process chamber and capable of mounting a plurality of substrates in a circumferential direction; a rotating mechanism that rotates the substrate mounting portion at a predetermined angular velocity; dividing structures provided in a radial form from a center of a lid of the process chamber so as to divide the process chamber into a plurality of areas; and gas supply areas disposed between the adjacent dividing structures, wherein an angle between the adjacent dividing structures with one gas supply area interposed is set to an angle corresponding to the angular velocity and a period in which a portion of the substrate mounting portion passes through the gas supply area.
    Type: Application
    Filed: September 27, 2013
    Publication date: March 27, 2014
    Applicant: Hitachi Kokusai Electric Inc.
    Inventors: Kazuyuki TOYODA, Osamu KASAHARA, Tetsuaki INADA, Junichi TANABE, Tatsushi UEDA
  • Publication number: 20130276983
    Abstract: A plasma processing apparatus may include a process chamber configured to perform a plasma using process and contain a plurality of substrates, a support member provided in the process chamber, the substrates being laid on the same level of the support member, an injection member provided to face the support member and include a plurality of baffles, such that at least one reaction gas and a purge gas can be injected onto the substrates in an independent manner, and a driving part configured to rotate the support member or the injection member, such that the baffles of the injection member can orbit with respect to the plurality of the substrates laid on the support member. The injection member may include a plasma generator, which may be provided on at least one, configured to inject the reaction gas, of the baffles to turn the reaction gas into plasma.
    Type: Application
    Filed: January 12, 2012
    Publication date: October 24, 2013
    Applicants: HITACHI KOKUSAI ELECTRIC INC., KOOKJE ELECTRIC KOREA CO., LTD.
    Inventors: Yong Sung Park, Sung Kwang Lee, Dong Yeul Kim, Kazuyuki Toyoda, Osamu Kasahara, Tetsuaki Inada
  • Patent number: 8544411
    Abstract: A plasma processing apparatus comprises a processing chamber in which a plurality of substrates are stacked and accommodated; a pair of electrodes extending in the stacking direction of the plurality of substrates, which are disposed at one side of the plurality of substrates in said processing chamber, and to which high frequency electricity is applied; and a gas supply member which supplies processing gas into a space between the pair of electrodes.
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: October 1, 2013
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Kazuyuki Toyoda, Yasuhiro Inokuchi, Motonari Takebayashi, Tadashi Kontani, Nobuo Ishimaru
  • Patent number: 8518182
    Abstract: A substrate processing apparatus comprising: a processing chamber which is to accommodate at least one substrate; a gas supply system which is to supply processing gas into the processing chamber; an exhaust system which is to exhaust atmosphere in the processing chamber; and at least one pair of electrodes which are to bring the processing gas into an active state and which are accommodated in protection tubes such that the electrodes can be inserted into and pulled out from the protection tubes, wherein the electrodes are accommodated in the protection tube in a state where at least a portion of the electrodes is bent, and the electrodes are formed of flexible members, is disclosed.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: August 27, 2013
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Shizue Ogawa, Kazuyuki Toyoda, Motonari Takebayashi, Tadashi Kontani, Nobuo Ishimaru
  • Publication number: 20120258565
    Abstract: There is provided a substrate processing apparatus, comprising: a processing chamber in which a plurality of substrates are housed, the substrate having thereon a lamination film composed of any one of copper-indium, copper-gallium, or copper-indium-gallium; a reaction tube formed so as to constitute the processing chamber; a gas supply tube configured to introduce elemental selenium-containing gas or elemental sulfur-containing gas to the processing chamber; an exhaust tube configured to exhaust an atmosphere in the processing chamber; and a heating section provided so as to surround the reaction tube, wherein a porous coating film having a void rate of 5% to 15% mainly composed of a mixture of chromium oxide (CrxOy:x, y are arbitrary integer of 1 or more) silica is formed on a surface exposed to at least the elemental selenium-containing gas or the elemental sulfur-containing gas, out of the surface of the reaction tube on the processing chamber side.
    Type: Application
    Filed: March 27, 2012
    Publication date: October 11, 2012
    Applicants: TOCALO CO., LTD., HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Eisuke NISHITANI, Yasuo KUNII, Kazuyuki TOYODA, Kosaku HIYAMA, Tomohiro NAKASUJI, Tatsuya HAMAGUCHI, Kiyoshi MIYAJIMA
  • Publication number: 20120258566
    Abstract: There is provide a substrate processing apparatus, comprising: a processing chamber configured to house a plurality of substrates with a laminated film formed thereon which is composed of any one of copper-indium, copper-gallium, or copper-indium-gallium; a gas supply tube configured to introduce elemental selenium-containing gas or elemental sulfur-containing gas into the processing chamber; an exhaust tube configured to exhaust an atmosphere in the processing chamber; and a heating section provided so as to surround the reaction tube, wherein a base of the reaction tube is made of a metal material.
    Type: Application
    Filed: March 22, 2012
    Publication date: October 11, 2012
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Eisuke NISHITANI, Yasuo KUNII, Kazuyuki TOYODA, Hironobu MIYA