Patents by Inventor Shuhei SAIDO

Shuhei SAIDO 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: 20160284517
    Abstract: A technology for forming a uniform film in a plane of a substrate involves a substrate processing apparatus including: a substrate support where a substrate is placed; a cover facing at least a portion of the substrate support, the cover including a gas supply channel at a center thereof; a gas supply structure connected to the gas supply channel; a reactive gas supply unit connected to the gas supply structure and including a plasma generating unit; a tube connected to the reactive gas supply unit and extending from the gas supply structure to the gas supply channel; and a gas supply unit connected to the gas supply structure and configured to supply a gas to a space between an outer surface of the tube and an inner surface of the gas supply structure.
    Type: Application
    Filed: January 22, 2016
    Publication date: September 29, 2016
    Inventor: Shuhei SAIDO
  • Publication number: 20160244878
    Abstract: The present invention is directed providing a technique capable of reducing a time for stabilizing a temperature in a processing chamber. The technique includes: a substrate support configured to support a substrate; a thermal insulation unit disposed below the substrate support; a processing chamber configured to accommodate the substrate support and where the substrate is processed; a first heating unit disposed around the processing chamber and configured to heat an inside of the processing chamber from a lateral side thereof; and a second heating unit disposed between the substrate support and the thermal insulation unit inside the processing chamber, the second heating unit including a heater having a substantially annular shape and a suspending member extending downward from the heater, wherein a diameter of the heater is smaller than that of the substrate.
    Type: Application
    Filed: February 24, 2016
    Publication date: August 25, 2016
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Hitoshi MURATA, Yuichi WADA, Takashi YAHATA, Hidenari YOSHIDA, Shuhei SAIDO
  • Publication number: 20160201193
    Abstract: Characteristics of a film formed on a substrate and a manufacturing throughput can be improved. A substrate processing apparatus includes a process chamber configured to process a substrate; a substrate placement unit; and a gas dispersion unit, the gas dispersion unit including: a first supply region facing the substrate and including a first gas dispersion hole configured to supply a first gas and a second gas dispersion hole configured to supply a second gas; and a second supply region facing a portion of a surface of the substrate placement unit outer than a portion of the surface of the substrate placement unit occupied by the substrate and including a third gas dispersion hole having a diameter greater than that of the second gas dispersion hole and configured to supply the second gas.
    Type: Application
    Filed: March 26, 2015
    Publication date: July 14, 2016
    Inventor: Shuhei SAIDO
  • Publication number: 20160177446
    Abstract: A substrate processing apparatus includes a process chamber, a substrate support, a first gas supply unit including a first gas dispersion unit, a second gas supply unit including a second gas dispersion unit, and a plurality of dispersion pipes connecting the process chamber and the second gas dispersion unit. An area of an inner surface of the second gas dispersion unit is smaller than a sum of an area of an inner surface of the first gas dispersion unit and areas of outer surfaces of the plurality of dispersion pipes. The substrate processing apparatus may reduce at least one of the amounts of residual first gas and residual second gas wherein the byproducts generated by the reaction between the residual first gas and the residual second gas hinder a desired chemical reaction in forming a film by supplying the first gas and the second gas in a cycle.
    Type: Application
    Filed: July 17, 2015
    Publication date: June 23, 2016
    Inventor: Shuhei SAIDO
  • Patent number: 9365928
    Abstract: A substrate processing apparatus includes: a substrate mounting table on which a substrate is mounted; an inert gas supply part configured to supply an inert gas on a surface of the substrate from an upper side of the substrate mounting table at a lateral side of the processing gas supply part; and a plurality of gas exhaust parts configured to exhaust a gas supplied on the surface of the substrate to an upper side, between the processing gas supply part and the inert gas supply part.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: June 14, 2016
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Shuhei Saido, Yuichi Wada, Takafumi Sasaki
  • Patent number: 9222732
    Abstract: Provided is a substrate processing apparatus capable of maintaining a temperature of a furnace port part at a heat-resistant temperature or less of each member constituting the furnace part. The substrate processing apparatus includes a process chamber configured to process a plurality of substrates vertically stacked at predetermined intervals; a substrate retainer configured to hold the plurality of substrates in the process chamber; and a first heat exchanger installed in the process chamber to support the substrate retainer from a lower portion of the substrate retainer, and configured to perform a heat exchange with a gas flowing in a downward direction from a side of the substrate retainer in the process chamber, wherein the first heat exchanger includes a hollow cylindrical insulating tube vertically extending in the downward direction and an insulating plate installed in the insulating tube, and regions in the insulating tube over and under the insulating plate are spatially connected to each other.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: December 29, 2015
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Kenji Shirako, Takatomo Yamaguchi, Shuhei Saido, Akihiro Sato
  • Publication number: 20150307988
    Abstract: A substrate processing apparatus includes: a substrate mounting table on which a substrate is mounted; an inert gas supply part configured to supply an inert gas on a surface of the substrate from an upper side of the substrate mounting table at a lateral side of the processing gas supply part; and a plurality of gas exhaust parts configured to exhaust a gas supplied on the surface of the substrate to an upper side, between the processing gas supply part and the inert gas supply part.
    Type: Application
    Filed: April 7, 2015
    Publication date: October 29, 2015
    Inventors: Shuhei SAIDO, Yuichi WADA, Takafumi SASAKI
  • Patent number: 9082694
    Abstract: A substrate processing apparatus includes: a processing chamber that accommodates a substrate; a heating portion that is provided so as to surround a accommodating region of the substrate within the processing chamber; a gas nozzle that is provided inside the heating portion and that supplies a processing gas to the accommodating region of the substrate; and a gas heating mechanism that is provided inside the heating portion and that supplies the processing gas from an upstream side of the gas nozzle into the gas nozzle. A ratio of a flow channel circumferential length to a flow channel cross-sectional area in a gas flow channel of the gas heating mechanism is larger than a ratio of a flow channel circumferential length to a flow channel cross-sectional area in a gas flow channel of the gas nozzle.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: July 14, 2015
    Assignee: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Shuhei Saido, Daisuke Hara, Takafumi Sasaki
  • Publication number: 20150187610
    Abstract: A substrate processing apparatus includes a common pipe connected to a process container wherethrough a first and second process gases flow; a buffer unit connected to an upstream side of the common pipe and having a width greater than a diameter of the common pipe; a first supply pipe wherethrough the first process gas flows, connected to a first surface of the buffer unit where the common pipe is connected or a second surface of the buffer unit opposite to the first surface; and a second supply pipe wherethrough the second process gas flows, connected to the first or second surface. Each of the first and second supply pipes is installed outer than the common pipe, and a distance between the first and second surfaces is shorter than a distance between a center axis of the common pipe and that of the first or second supply pipe.
    Type: Application
    Filed: February 26, 2014
    Publication date: July 2, 2015
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventor: Shuhei SAIDO
  • Publication number: 20150184301
    Abstract: Provided is a substrate processing apparatus capable of suppressing the difference between temperatures of a susceptor and the shower head. The substrate processing apparatus includes a process chamber configured to process a substrate; a substrate placement device disposed in the process chamber, the substrate placement device comprising a substrate placement surface where the substrate is placed and a first heater; a shower head disposed opposite to the substrate placement surface, the shower head comprising a second heater and an opposing surface facing the substrate placement surface; a processing gas supply system configured to supply a processing gas for processing the substrate placed on the substrate placement surface into the process chamber via the shower head; an exhaust system configured to evacuate an inner atmosphere of the process chamber; and a controller configured to control outputs of the first heater and the second heater.
    Type: Application
    Filed: December 23, 2014
    Publication date: July 2, 2015
    Applicant: Hitachi Kokusai Electric Inc.
    Inventor: Shuhei SAIDO
  • Patent number: 9062376
    Abstract: A substrate processing apparatus capable of suppressing generation of by-products in a buffer space in even a single-wafer apparatus using the buffer space, and a method of manufacturing a semiconductor device are provided. The substrate processing apparatus includes a process chamber including a placement unit having a placing surface whereon a substrate is placed, a shower head including a buffer chamber and installed at upstream side of the process chamber, a gas supply system configured to alternately supply at least two types of gases into the process chamber via the buffer chamber of the shower head, and a heating unit configured to heat the buffer chamber to a first temperature and the process chamber to a second temperature which is higher than the first temperature while the at least two types of gases are supplied via the gas supply system.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: June 23, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventor: Shuhei Saido
  • Publication number: 20150152551
    Abstract: Provided are a substrate processing apparatus, a method of manufacturing a semiconductor device and a non-transitory computer-readable recording medium. The substrate processing apparatus includes a process chamber configured to process a substrate; a gas supply unit including gas supply holes configured to independently supply a process gas for processing the substrate to each of a central portion of the substrate and a peripheral portion of the substrate in the process chamber; an exhaust unit configured to exhaust an inside of the process chamber; and a control unit configured to control the gas supply unit to supply the process gas to the central portion of the substrate after the process gas is supplied to the peripheral portion of the substrate through the gas supply unit.
    Type: Application
    Filed: September 26, 2014
    Publication date: June 4, 2015
    Inventors: Takatomo YAMAGUCHI, Shuhei SAIDO
  • Publication number: 20150152554
    Abstract: A substrate processing apparatus capable of suppressing generation of by-products in a buffer space in even a single-wafer apparatus using the buffer space, and a method of manufacturing a semiconductor device are provided. The substrate processing apparatus includes a process chamber including a placement unit having a placing surface whereon a substrate is placed, a shower head including a buffer chamber and installed at upstream side of the process chamber, a gas supply system configured to alternately supply at least two types of gases into the process chamber via the buffer chamber of the shower head, and a heating unit configured to heat the buffer chamber to a first temperature and the process chamber to a second temperature which is higher than the first temperature while the at least two types of gases are supplied via the gas supply system.
    Type: Application
    Filed: September 30, 2014
    Publication date: June 4, 2015
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventor: Shuhei SAIDO
  • Patent number: 9028614
    Abstract: When processing such as SiC epitaxial growth is performed at an ultrahigh temperature of 1500° C. to 1700° C., a film-forming gas can be decreased to heat-resistant temperature of a manifold and film quality uniformity can be improved. A substrate processing apparatus includes a reaction chamber for processing a plurality of substrates, a boat for holding the plurality of substrates, a gas supply nozzle for supplying a film-forming gas to the plurality of substrates, an exhaust port for exhausting the film-forming gas supplied into the reaction chamber, a heat exchange part which defines a second flow path narrower than a first flow path defined by an inner wall of the reaction chamber and the boat, and a gas discharge part installed under the lowermost substrate of the plurality of substrates.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: May 12, 2015
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Daisuke Hara, Takeshi Itoh, Masanao Fukuda, Takatomo Yamaguchi, Hiroaki Hiramatsu, Shuhei Saido, Takafumi Sasaki
  • Patent number: 8882923
    Abstract: A substrate processing apparatus includes: a process chamber having an object to be heated therein and configured to process a plurality of substrates; a substrate holder configured to hold the substrates with an interval therebetween in a vertical direction in the process chamber; a first heat exchange unit supporting the substrate holder from a lower side thereof in the process chamber and configured to perform a heat exchange with a gas in the process chamber; a second heat exchange unit provided in the process chamber, the second heat exchange unit being horizontally spaced apart from the first heat exchange unit with a gap therebetween and being configured to perform a heat exchange with the gas in the process chamber; and an induction heating unit configured to subject the object to be heated to an induction heating from an outer side of the object to be heated.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: November 11, 2014
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Shuhei Saido, Takatomo Yamaguchi, Daisuke Hara
  • Patent number: 8851886
    Abstract: Provided is a substrate processing apparatus. The substrate processing apparatus includes a reaction tube; a heating device configured to heat the reaction tube; and a manifold installed outward as compared with the heating device and made of a non-metallic material. A first thickness of the manifold defined in a direction perpendicular to a center axis of the reaction tube is greater than a second thickness of the manifold defined at a position adjacent to the reaction tube in a direction parallel to the center axis of the reaction tube. The manifold includes a protrusion part of which at least a portion protrudes inward more than an inner wall of the reaction tube, and a gas supply unit disposed at at least the protrusion part for supplying gas to an inside of the reaction tube.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: October 7, 2014
    Assignee: Hitachi Kokusai Electric, Inc.
    Inventors: Shinya Morita, Akihiro Sato, Akinori Tanaka, Shigeo Nakada, Takayuki Nakada, Shuhei Saido, Tomoyuki Matsuda
  • Patent number: 8771416
    Abstract: A substrate processing apparatus comprises: a reaction chamber to process a substrate; a heating target object disposed in the reaction chamber to surround at least a region where the substrate is disposed, the heating target object having a cylindrical shape with a closed end; an insulator disposed between the reaction chamber and the heating target object to surround the heating target object, the insulator having a cylindrical shape with a closed end facing the closed end of the heating target object; an induction heating unit disposed outside the reaction chamber to surround at least the region where the substrate is disposed; a first gas supply system to supply at least a source gas into the reaction chamber; and a controller to control the first gas supply system so that the first gas supply system supplies at least the source gas into the reaction chamber for processing the substrate.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: July 8, 2014
    Assignee: Hitachi Kokusai Electric Inc.
    Inventors: Shuhei Saido, Takatomo Yamaguchi, Kenji Shirako
  • Publication number: 20130330930
    Abstract: A substrate processing apparatus includes: a processing chamber that accommodates a substrate; a heating portion that is provided so as to surround a accommodating region of the substrate within the processing chamber; a gas nozzle that is provided inside the heating portion and that supplies a processing gas to the accommodating region of the substrate; and a gas heating mechanism that is provided inside the heating portion and that supplies the processing gas from an upstream side of the gas nozzle into the gas nozzle. A ratio of a flow channel circumferential length to a flow channel cross-sectional area in a gas flow channel of the gas heating mechanism is larger than a ratio of a flow channel circumferential length to a flow channel cross-sectional area in a gas flow channel of the gas nozzle.
    Type: Application
    Filed: February 22, 2012
    Publication date: December 12, 2013
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Shuhei Saido, Daisuke Hara, Takafumi Sasaki
  • Publication number: 20120220108
    Abstract: When processing such as SiC epitaxial growth is performed at an ultrahigh temperature of 1500° C. to 1700° C., a film-forming gas can be decreased to heat-resistant temperature of a manifold and film quality uniformity can be improved. A substrate processing apparatus includes a reaction chamber for processing a plurality of substrates, a boat for holding the plurality of substrates, a gas supply nozzle for supplying a film-forming gas to the plurality of substrates, an exhaust port for exhausting the film-forming gas supplied into the reaction chamber, a heat exchange part which defines a second flow path narrower than a first flow path defined by an inner wall of the reaction chamber and the boat, and a gas discharge part installed under the lowermost substrate of the plurality of substrates.
    Type: Application
    Filed: February 27, 2012
    Publication date: August 30, 2012
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Daisuke Hara, Takeshi Itoh, Masanao Fukuda, Takatomo Yamaguchi, Hiroaki Hiramatsu, Shuhei Saido, Takafumi Sasaki
  • Publication number: 20120214317
    Abstract: A substrate processing apparatus includes a processing chamber configured to process a plurality of substrates, a substrate holder accommodated within the processing chamber and configured to hold the substrates in a vertically spaced-apart relationship, a thermal insulation portion configured to support the substrate holder from below within the processing chamber, a heating unit provided to surround a substrate accommodating region within the processing chamber, and a gas supply system configured to supply a specified gas to at least a thermal insulation portion accommodating region within the processing chamber.
    Type: Application
    Filed: February 17, 2012
    Publication date: August 23, 2012
    Applicant: HITACHI KOKUSAI ELECTRIC INC.
    Inventors: Masaki Murobayashi, Takatomo Yamaguchi, Kenji Shirako, Shuhei Saido, Akihiro Sato, Yoshinori Imai