Patents by Inventor Kensuke DEMURA

Kensuke DEMURA 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: 11948812
    Abstract: According to one embodiment, a cooling device includes a flow path configured to flow a refrigerant, a condenser provided in the flow path, a heat exchanger provided in the flow path, a compressor provided in the flow path between the condenser and the heat exchanger, a cooler cooling the refrigerant flowing from the condenser into the heat exchanger, a gas cooling part supplying a gas to the heat exchanger, and configured to cool the gas by exchanging heat with the refrigerant, a first thermometer configured to detect a temperature of the cooled gas, a second thermometer configured to detect a temperature of the refrigerant flowing into the heat exchanger, and a first controller configured to control the temperature of the cooled refrigerant flowing into the heat exchanger by the cooler. The first controller controls the temperature of the cooled refrigerant by switching a first control and a second control.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: April 2, 2024
    Assignee: SHIBAURA MECHATRONICS CORPORATION
    Inventor: Kensuke Demura
  • Publication number: 20240096653
    Abstract: According to one embodiment a substrate treatment apparatus incorporates, into a frozen film, a contaminant adhered to a substrate surface by freezing a liquid film on the surface. The apparatus includes a placement part configured to rotate the substrate, a liquid supply part configured to supply a liquid via a nozzle to the frozen film including the contaminant, a moving part configured to move the nozzle parallel to the substrate surface, and a controller configured to control a rotation of the substrate by the placement part, a supply of the liquid by the liquid supply part, and a movement of the nozzle by the moving part. The controller rotates the substrate by controlling the placement part, supplies the liquid to the frozen film by controlling the liquid supply part, and moves the nozzle from a perimeter edge vicinity to a rotation center vicinity of the substrate by controlling the moving part.
    Type: Application
    Filed: September 19, 2023
    Publication date: March 21, 2024
    Inventors: Kensuke DEMURA, Satoshi NAKAMURA, Masaya KAMIYA, Minami NAKAMURA, Kosuke TAKAI, Mana TANABE, Kaori UMEZAWA
  • Patent number: 11784040
    Abstract: According to one embodiment, a substrate treatment device includes a placement stand configured to rotate a substrate, a cooling part configured to supply a cooling gas into a space between the placement stand and the substrate, a liquid supplier configured to supply a liquid on a surface of the substrate opposite to the placement stand, and a controller controlling a rotation speed of the substrate, a flow rate of the cooling gas, or a supply amount of the liquid. The controller sets the liquid on the surface of the substrate to be in a supercooled state, forms a frozen film by freezing the liquid in the super cooled state, and causes crack to generate in the frozen film by decreasing a temperature of the frozen film.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: October 10, 2023
    Assignee: SHIBAURA MECHATRONICS CORPORATION
    Inventors: Kensuke Demura, Daisuke Matsushima, Masaya Kamiya
  • Publication number: 20230271231
    Abstract: According to one embodiment, a substrate processing apparatus includes: a stage rotatable around a central axis; a plurality of holders provided on the stage to hold a substrate; a cooler capable of supplying a cooling gas to a space between the stage and the substrate; and a liquid supply capable of supplying a liquid to a surface of the substrate on an opposite side to the stage. When holding the substrate, each of the plurality of holders moves toward the central axis along a surface of the stage so as to surround a peripheral edge of the substrate and the space between the stage and the substrate.
    Type: Application
    Filed: February 27, 2023
    Publication date: August 31, 2023
    Inventors: Kensuke DEMURA, Satoshi NAKAMURA, Masaya KAMIYA, Minami NAKAMURA
  • Patent number: 11609491
    Abstract: A reflective mask cleaning apparatus according to an embodiment comprises a first supply section configured to supply a first solution containing at least one of an organic solvent and a surfactant to a ruthenium-containing capping layer provided in a reflective mask; and a second supply section configured to supply at least one of a reducing solution and an oxygen-free solution to the capping layer. A reflective mask cleaning apparatus according to an alternative embodiment comprises a third supply section configured to supply a plasma product produced from a reducing gas to a ruthenium-containing capping layer provided in a reflective mask; and a second supply section configured to supply at least one of a reducing solution and an oxygen-free solution to the capping layer.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: March 21, 2023
    Assignee: SHIBAURA MECHATRONICS CORPORATION
    Inventors: Daisuke Matsushima, Kensuke Demura, Masafumi Suzuki, Satoshi Nakamura
  • Publication number: 20220310417
    Abstract: A substrate treatment device includes a placement platform rotating a substrate, a cooling part supplying a cooling gas to a space between the placement platform and the substrate, a liquid supplier supplying a liquid to a surface of the substrate opposite to the placement platform side, a detector that is above the surface of the substrate and detects a freezing start of the liquid, and a controller controlling the substrate rotation, the cooling gas supply, and the liquid supply. The controller controls at least one of the substrate rotation, the cooling gas flow rate, or the liquid supply rate, and causes the liquid on the substrate surface to reach a supercooled state; and when determining based on a signal from the detector that the freezing of the supercooled liquid has started, the controller starts thawing the frozen liquid after a prescribed interval has elapsed from the freezing start of the liquid.
    Type: Application
    Filed: March 25, 2022
    Publication date: September 29, 2022
    Inventors: Minami NAKAMURA, Kensuke DEMURA
  • Publication number: 20220270914
    Abstract: A substrate treatment device according to an embodiment includes a placement part that includes a placement platform on which a substrate is placeable and that is configured to rotate the placed substrate, a cooling nozzle configured to supply a cooling gas to a space between the placement platform and the substrate, a liquid supplier configured to supply a liquid to a surface of the substrate opposite to the placement platform side, and a dispersion plate located at a discharge side of the cooling gas of the cooling nozzle. The dispersion plate includes a first hole extending through the dispersion plate in a thickness direction. The first hole is located at a position overlapping a central axis of the cooling nozzle when viewed along a direction along the central axis of the cooling nozzle.
    Type: Application
    Filed: February 7, 2022
    Publication date: August 25, 2022
    Inventors: Masaya KAMIYA, Kensuke DEMURA
  • Patent number: 11355337
    Abstract: A substrate treatment device according to an embodiment includes a placement portion on which a substrate is placed and rotated, a liquid supply portion which supplies a liquid to a surface on an opposite side to the placement portion of the substrate, a cooling portion which supplies a cooling gas to a surface on a side of the placement portion of the substrate, and a control portion which controls at least one of a rotation speed of the substrate, a supply amount of the liquid, and a flow rate of the cooling gas. The control portion brings the liquid present on a surface of the substrate into a supercooled state and causes at least a part of the liquid brought into the supercooled state to freeze.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: June 7, 2022
    Assignee: SHIBAURA MECHATRONICS CORPORATION
    Inventors: Masaya Kamiya, Kensuke Demura, Daisuke Matsushima, Haruka Nakano, Ivan Petrov Ganachev
  • Publication number: 20220080468
    Abstract: A substrate processing apparatus according to an embodiment of the present disclosure includes a stage having a substantially disc-shaped form and including a hole in a center thereof; a roller that contacts a side surface of the stage and rotates the stage; a first liquid nozzle that supplies a first liquid to a first surface of the substrate; a first driver that moves a position of the first liquid nozzle; a second liquid nozzle that supplies a second liquid from the hole of the stage to a second surface of the substrate; a second driver that moves a position of the second liquid nozzle; a cooling nozzle that supplies a cooling gas from the hole of the stage to the second surface; a third driver that moves a position of the cooling nozzle; and a controller that controls the first driver, the second driver, and the third driver.
    Type: Application
    Filed: September 9, 2021
    Publication date: March 17, 2022
    Inventors: Kensuke DEMURA, Daisuke MATSUSHIMA, Masaya KAMIYA
  • Publication number: 20220068671
    Abstract: A substrate processing apparatus according to an embodiment of the present disclosure includes: a stage; a plurality of holders configured to hold a substrate; a liquid supply configured to supply a liquid to a surface of the substrate opposite to the stage; a cooler configured to supply a cooling gas to a space between the stage and the substrate; a mover configured to change a distance between the stage and the substrate; and a controller configured to control the cooler and the mover. The controller performs a cooling process that at least includes a supercooling process and a freezing process (solid-liquid phase), and a thawing process after the cooling process. In the cooling process, the controller controls the mover to set the distance to a first distance, and in the thawing process, the controller controls the mover to set the distance to a second distance longer than the first distance.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 3, 2022
    Inventors: Kensuke DEMURA, Daisuke MATSUSHIMA, Masaya KAMIYA
  • Publication number: 20210366739
    Abstract: According to one embodiment, a cooling device includes a flow path configured to flow a refrigerant, a condenser provided in the flow path, a heat exchanger provided in the flow path, a compressor provided in the flow path between the condenser and the heat exchanger, a cooler cooling the refrigerant flowing from the condenser into the heat exchanger, a gas cooling part supplying a gas to the heat exchanger, and configured to cool the gas by exchanging heat with the refrigerant, a first thermometer configured to detect a temperature of the cooled gas, a second thermometer configured to detect a temperature of the refrigerant flowing into the heat exchanger, and a first controller configured to control the temperature of the cooled refrigerant flowing into the heat exchanger by the cooler. The first controller controls the temperature of the cooled refrigerant by switching a first control and a second control.
    Type: Application
    Filed: May 17, 2021
    Publication date: November 25, 2021
    Inventor: Kensuke DEMURA
  • Publication number: 20210323036
    Abstract: According to one embodiment, a substrate treatment device includes a placement stand configured to rotate the substrate, a cooling part configured to supply a cooling gas into a space between the placement stand and the substrate, a first liquid supplier configured to supply a first liquid on a surface of the substrate, a second liquid supplier configured to supply a second liquid on the surface, and a controller controlling rotation of the substrate, supply of the cooling gas, the first and second liquids. The controller performs a preliminary process of supplying the second liquid on the surface, and supplying the cooling gas into the space, a liquid film forming process by supplying the first liquid toward the surface after the preliminary process, a supercooling process of the liquid film on the surface, and a freezing process of at least a part of the liquid film on the surface.
    Type: Application
    Filed: April 14, 2021
    Publication date: October 21, 2021
    Inventors: Daisuke MATSUSHIMA, Kensuke DEMURA, Satoshi NAKAMURA, Masaya KAMIYA, Minami NAKAMURA
  • Publication number: 20210299713
    Abstract: According to one embodiment, q substrate treatment device includes a placement stand, a plurality of support portions, a cooling part, a liquid supplier, and at least one protrusion. The placement stand has a plate shape, and is configured to rotate. The support portions are provided on one surface of the placement stand and configured to support a substrate. The cooling part is configured to supply a cooling gas into a space between the placement stand and a back surface of the substrate supported by the support portions. The liquid supplier is configured to supply a liquid onto a surface of the substrate. At least one protrusion is provided on the one surface of the placement stand and extends along a boundary line of a region where the substrate is provided in a plan view.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 30, 2021
    Inventors: Kensuke DEMURA, Daisuke MATSUSHIMA, Masaya KAMIYA
  • Publication number: 20210276055
    Abstract: According to one embodiment, a substrate treatment device includes a placement stand configured to rotate a substrate, a cooling part configured to supply a cooling gas into a space between the placement stand and the substrate, a liquid supplier configured to supply a liquid on a surface of the substrate opposite to the placement stand side, a detector configured to detect a state of the liquid on the surface of the substrate, and a controller controlling at least one of a rotation speed of the substrate, a flow rate of the cooling gas, or a supply amount of the liquid. The controller sets the liquid on the surface of the substrate to be in a supercooled state, obtains a temperature of the liquid in the supercooled state at a start of freezing, and is configured to calculate a removal ratio of a contamination.
    Type: Application
    Filed: February 22, 2021
    Publication date: September 9, 2021
    Inventors: Minami NAKAMURA, Daisuke MATSUSHIMA, Kensuke DEMURA
  • Publication number: 20210265159
    Abstract: According to one embodiment, a substrate treatment device includes a placement stand configured to rotate a substrate, a cooling part configured to supply a cooling gas into a space between the placement stand and the substrate, a liquid supplier configured to supply a liquid on a surface of the substrate opposite to the placement stand, and a controller controlling a rotation speed of the substrate, a flow rate of the cooling gas, or a supply amount of the liquid. The controller sets the liquid on the surface of the substrate to be in a supercooled state, forms a frozen film by freezing the liquid in the super cooled state, and causes crack to generate in the frozen film by decreasing a temperature of the frozen film.
    Type: Application
    Filed: February 22, 2021
    Publication date: August 26, 2021
    Inventors: Kensuke DEMURA, Daisuke MATSUSHIMA, Masaya KAMIYA
  • Publication number: 20200335324
    Abstract: A substrate treatment device according to an embodiment includes a placement portion on which a substrate is placed and rotated, a liquid supply portion which supplies a liquid to a surface on an opposite side to the placement portion of the substrate, a cooling portion which supplies a cooling gas to a surface on a side of the placement portion of the substrate, and a control portion which controls at least one of a rotation speed of the substrate, a supply amount of the liquid, and a flow rate of the cooling gas. The control portion brings the liquid present on a surface of the substrate into a supercooled state and causes at least a part of the liquid brought into the supercooled state to freeze.
    Type: Application
    Filed: June 30, 2020
    Publication date: October 22, 2020
    Inventors: Masaya Kamiya, Kensuke Demura, Daisuke Matsushima, Haruka Nakano, Ivan Petrov Ganachev
  • Patent number: 10773425
    Abstract: According to one embodiment, an imprint template manufacturing apparatus includes: a supply head that supplies a liquid-repellent material in liquid form to a template having a convex portion where a concavo-convex pattern is formed on a stage; a moving mechanism that moves the stage and the supply head relatively in a direction along the stage; a controller that controls the supply head and the moving mechanism such that the supply head applies the liquid-repellent material to at least a side surface of the convex portion so as to avoid the concavo-convex pattern; and a cleaning unit that supplies a liquid to the template coated with the liquid-repellent material. The liquid-repellent material contains a liquid-repellent component and a non-liquid-repellent component that react with the surface of the template, and a volatile solvent that dissolves the liquid-repellent component. The liquid is a fluorine-based volatile solvent that dissolves the non-liquid-repellent component.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: September 15, 2020
    Assignees: SHIBAURA MECHATRONICS CORPORATION, TOSHIBA MEMORY CORPORATION
    Inventors: Kensuke Demura, Satoshi Nakamura, Daisuke Matsushima, Masayuki Hatano, Hiroyuki Kashiwagi
  • Patent number: 10734217
    Abstract: A substrate treatment device according to an embodiment includes a placement portion on which a substrate is placed and rotated, a liquid supply portion which supplies a liquid to a surface on an opposite side to the placement portion of the substrate, a cooling portion which supplies a cooling gas to a surface on a side of the placement portion of the substrate, and a control portion which controls at least one of a rotation speed of the substrate, a supply amount of the liquid, and a flow rate of the cooling gas. The control portion brings the liquid present on a surface of the substrate into a supercooled state and causes at least a part of the liquid brought into the supercooled state to freeze.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: August 4, 2020
    Assignee: SHIBAURA MECHATRONICS CORPORATION
    Inventors: Masaya Kamiya, Kensuke Demura, Daisuke Matsushima, Haruka Nakano, Ivan Petrov Ganachev
  • Patent number: 10668496
    Abstract: According to one embodiment, an imprint template manufacturing apparatus includes a stage, a supply head, a moving mechanism, and a controller. The stage supports a template that includes a base having a main surface, and a convex portion provided on the main surface and having an end surface on a side opposite to the main surface. A concavo-convex pattern to be pressed against a liquid material to be transferred is formed on the end surface. The supply head supplies a liquid-repellent material in a liquid form to the template on the stage. The moving mechanism moves the stage and the supply head relative to each other in a direction along the stage. The controller controls the supply head and the moving mechanism such that the supply head applies the liquid-repellent material to at least the side surface of the convex portion so as to avoid the concavo-convex pattern.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: June 2, 2020
    Assignees: SHIBAURA MECHATRONICS CORPORATION, TOSHIBA MEMORY CORPORATION
    Inventors: Satoshi Nakamura, Kensuke Demura, Daisuke Matsushima, Masayuki Hatano, Hiroyuki Kashiwagi
  • Publication number: 20200124960
    Abstract: A reflective mask cleaning apparatus according to an embodiment comprises a first supply section configured to supply a first solution containing at least one of an organic solvent and a surfactant to a ruthenium-containing capping layer provided in a reflective mask; and a second supply section configured to supply at least one of a reducing solution and an oxygen-free solution to the capping layer. A reflective mask cleaning apparatus according to an alternative embodiment comprises a third supply section configured to supply a plasma product produced from a reducing gas to a ruthenium-containing capping layer provided in a reflective mask; and a second supply section configured to supply at least one of a reducing solution and an oxygen-free solution to the capping layer.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 23, 2020
    Inventors: Daisuke Matsushima, Kensuke Demura, Masafumi Suzuki, Satoshi Nakamura