Patents by Inventor Koshi MUTA

Koshi MUTA 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: 20240012329
    Abstract: A liquid processing apparatus that applies a coating liquid onto a substrate, includes: a substrate holder that holds and rotates the substrate; a coating liquid supplier that applies the coating liquid to the substrate; a cup provided to surround the substrate; and a solvent supplier that supplies a solvent for the coating liquid to a coating liquid collector. The cup includes: an outer cup arranged outside the substrate holder; an inner cup arranged on an inner peripheral side of the outer cup below the substrate holder and having a downwardly-extending wall; an exhaust path provided between the outer and inner cups; a cylindrical wall portion provided below the inner cup and having an upwardly-opened exhaust port communicating with the exhaust path; and the coating liquid collector arranged below the wall of the inner cup with a gap between the coating liquid collector and a lower end of the wall.
    Type: Application
    Filed: July 3, 2023
    Publication date: January 11, 2024
    Inventors: Junghyun KIM, Koshi MUTA, Daiki TAKAHASHI, Kohei KAWAKAMI, Satoshi SHIMMURA, Kenta SHIBASAKI, Shota UEYAMA, Tetsushi MIYAMOTO
  • Publication number: 20240009697
    Abstract: A liquid processing apparatus that applies a coating liquid onto a substrate, includes: a substrate holder that holds and rotates the substrate; a coating liquid supplier that supplies the coating liquid to the substrate; a cup provided to surround the substrate; and a solvent supplier that supplies a solvent for the coating liquid to a coating liquid collector. The cup includes: an outer cup arranged outside the substrate holder; an inner cup arranged on an inner peripheral side of the outer cup below the substrate holder and having a downwardly-extending wall; an exhaust path provided between the outer and inner cups; and the coating liquid collector provided with a plurality of openings through which an exhaust flow passes, the coating liquid collector extending downward below the downwardly-extending wall of the inner cup with a gap between the coating liquid collector and a lower end of the downwardly-extending wall.
    Type: Application
    Filed: July 3, 2023
    Publication date: January 11, 2024
    Inventors: Junghyun KIM, Koshi MUTA, Daiki TAKAHASHI, Kohei KAWAKAMI, Satoshi SHIMMURA, Kenta SHIBASAKI, Shota UEYAMA, Tetsushi MIYAMOTO
  • Patent number: 11031261
    Abstract: A liquid processing apparatus for performing liquid processing with respect to a substrate using processing fluid, includes: a plurality of substrate holding units arranged side by side in a left-right direction; a nozzle configured to supply the processing fluid to the substrate held in each of the substrate holding units; and a nozzle moving mechanism configured to move the nozzle forward and backward in a front-rear direction intersecting an arrangement direction of the substrate holding units between a supplying position in which the processing fluid is supplied to a region including a central portion of the substrate and a waiting position which is defined at a rear side of a row of the substrate holding units opposite to a front side of the row of the substrate holding units at which the substrate is loaded and unloaded.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: June 8, 2021
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Yasushi Takiguchi, Koki Yoshimura, Taro Yamamoto, Hideharu Kyouda, Koshi Muta
  • Patent number: 10921713
    Abstract: A developing method includes: forming a liquid pool of a diluted developing solution diluted with pure water in a central portion of a substrate; forming a liquid film of the diluted developing solution on a surface of the substrate by accelerating rotation of the substrate to diffuse the liquid pool of the diluted developing solution on the entire surface of the substrate; and then supplying a developing solution onto the substrate. Supplying a developing solution includes: supplying the developing solution from a developing solution supply nozzle having a liquid contact surface while securing a gap having a predetermined size between the developing solution supply nozzle and the substrate; and moving the developing solution supply nozzle in a radial direction passing through a center of the substrate while forming a liquid pool of the developing solution between the substrate and the liquid contact surface of the developing solution supply nozzle.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: February 16, 2021
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Koshi Muta, Hideharu Kyoda, Minoru Kubota
  • Publication number: 20190391496
    Abstract: A developing method includes: forming a liquid pool of a diluted developing solution diluted with pure water in a central portion of a substrate; forming a liquid film of the diluted developing solution on a surface of the substrate by accelerating rotation of the substrate to diffuse the liquid pool of the diluted developing solution on the entire surface of the substrate; and then supplying a developing solution onto the substrate. Supplying a developing solution includes: supplying the developing solution from a developing solution supply nozzle having a liquid contact surface while securing a gap having a predetermined size between the developing solution supply nozzle and the substrate; and moving the developing solution supply nozzle in a radial direction passing through a center of the substrate while forming a liquid pool of the developing solution between the substrate and the liquid contact surface of the developing solution supply nozzle.
    Type: Application
    Filed: September 4, 2019
    Publication date: December 26, 2019
    Inventors: Koshi MUTA, Hideharu KYODA, Minoru KUBOTA
  • Patent number: 10459340
    Abstract: A developing method includes: forming a liquid pool of a diluted developing solution diluted with pure water in a central portion of a substrate; forming a liquid film of the diluted developing solution on a surface of the substrate by accelerating rotation of the substrate to diffuse the liquid pool of the diluted developing solution on the entire surface of the substrate; and then supplying a developing solution onto the substrate. Supplying a developing solution includes: supplying the developing solution from a developing solution supply nozzle having a liquid contact surface while securing a gap having a predetermined size between the developing solution supply nozzle and the substrate; and moving the developing solution supply nozzle in a radial direction passing through a center of the substrate while forming a liquid pool of the developing solution between the substrate and the liquid contact surface of the developing solution supply nozzle.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: October 29, 2019
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Koshi Muta, Hideharu Kyoda, Minoru Kubota
  • Patent number: 10289004
    Abstract: A developing apparatus includes: a substrate holder that hold a substrate horizontally; a developer nozzle that supplies a developer onto the substrate to form a liquid puddle; a turning flow generation mechanism including a rotary member that rotates about an axis perpendicular to the substrate while the rotary member is being in contact with the liquid puddle thereby to generate a turning flow in the liquid puddle of the developer formed on the substrate; and a moving mechanism for moving the turning flow generation mechanism along a surface of the substrate. The line-width uniformity of a pattern can be improved by forming turning flows in a desired region of the substrate and stirring the developer.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: May 14, 2019
    Assignee: Tokyo Electron Limited
    Inventors: Kousuke Yoshihara, Hideharu Kyouda, Koshi Muta, Taro Yamamoto, Yasushi Takiguchi
  • Patent number: 10120285
    Abstract: A developing apparatus including a horizontal substrate holder, a rotating mechanism to rotate the substrate holder, a developer nozzle to supply a developer onto a part of the substrate to form a liquid puddle, a moving mechanism to move the developer nozzle in a radial direction of the rotating substrate, a contact part that moves with the developer nozzle and has a surface opposed to the substrate, which is smaller than the surface of the substrate, and a control unit to output a control signal such that a supply position of the developer on the substrate is moved in the radial direction of the substrate so that the liquid puddle is spread out on a whole surface of the substrate while the contact part is in contact with the liquid puddle.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: November 6, 2018
    Assignee: Tokyo Electron Limited
    Inventors: Kousuke Yoshihara, Hideharu Kyouda, Koshi Muta, Taro Yamamoto, Yasushi Takiguchi, Masahiro Fukuda
  • Publication number: 20180308719
    Abstract: A liquid processing apparatus for performing liquid processing with respect to a substrate using processing fluid, includes: a plurality of substrate holding units arranged side by side in a left-right direction; a nozzle configured to supply the processing fluid to the substrate held in each of the substrate holding units; and a nozzle moving mechanism configured to move the nozzle forward and backward in a front-rear direction intersecting an arrangement direction of the substrate holding units between a supplying position in which the processing fluid is supplied to a region including a central portion of the substrate and a waiting position which is defined at a rear side of a row of the substrate holding units opposite to a front side of the row of the substrate holding units at which the substrate is loaded and unloaded.
    Type: Application
    Filed: June 21, 2018
    Publication date: October 25, 2018
    Inventors: Yasushi TAKIGUCHI, Koki YOSHIMURA, Taro YAMAMOTO, Hideharu KYOUDA, Koshi MUTA
  • Patent number: 10014190
    Abstract: A liquid processing apparatus for performing liquid processing with respect to a substrate using processing fluid, includes: a plurality of substrate holding units arranged side by side in a left-right direction; a nozzle configured to supply the processing fluid to the substrate held in each of the substrate holding units; and a nozzle moving mechanism configured to move the nozzle forward and backward in a front-rear direction intersecting an arrangement direction of the substrate holding units between a supplying position in which the processing fluid is supplied to a region including a central portion of the substrate and a waiting position which is defined at a rear side of a row of the substrate holding units opposite to a front side of the row of the substrate holding units at which the substrate is loaded and unloaded.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: July 3, 2018
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Yasushi Takiguchi, Koki Yoshimura, Taro Yamamoto, Hideharu Kyouda, Koshi Muta
  • Patent number: 9947556
    Abstract: There are provided first and second cleaning members which are configured to clean a central zone in a rear surface of a wafer when the wafer held by an absorption pad is horizontally held, and configured to clean a peripheral zone in the rear surface of the wafer when the wafer is held by the spin chuck. Due to the provision of the first and second cleaning members, detergency can be improved as compared with a case in which only one cleaning member is used. The first and second cleaning members are configured to be horizontally turned by a common turning shaft. When the central zone in the rear surface of the wafer is cleaned, the turning shaft is located to be overlapped with the wafer. Since the turning shaft is located by using the moving area of the wafer, a size of an apparatus can be reduced.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: April 17, 2018
    Assignee: Tokyo Electron Limited
    Inventors: Yasushi Takiguchi, Taro Yamamoto, Hideharu Kyouda, Koshi Muta
  • Patent number: 9835948
    Abstract: A developing method can perform a developing process on a resist film that is exposed to light. The developing method includes forming a developing solution film by supplying a developing solution onto a surface of a substrate having thereon a resist film that is exposed to light; thinning the developing solution film by pushing out the developing solution containing components dissolved from the resist film; and supplying a new developing solution onto the thinned developing solution film.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: December 5, 2017
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Koshi Muta, Hideharu Kyoda
  • Publication number: 20170090291
    Abstract: A developing apparatus including a horizontal substrate holder, a rotating mechanism to rotate the substrate holder, a developer nozzle to supply a developer onto a part of the substrate to form a liquid puddle, a moving mechanism to move the developer nozzle in a radial direction of the rotating substrate, a contact part that moves with the developer nozzle and has a surface opposed to the substrate, which is smaller than the surface of the substrate, and a control unit to output a control signal such that a supply position of the developer on the substrate is moved in the radial direction of the substrate so that the liquid puddle is spread out on a whole surface of the substrate while the contact part is in contact with the liquid puddle.
    Type: Application
    Filed: December 9, 2016
    Publication date: March 30, 2017
    Applicant: Tokyo Electron Limited
    Inventors: Kousuke YOSHIHARA, Hideharu KYOUDA, Koshi MUTA, Taro YAMAMOTO, Yasushi TAKIGUCHI, Masahiro FUKUDA
  • Patent number: 9575411
    Abstract: A developing apparatus includes: a substrate holder that hold a substrate horizontally; a developer nozzle that supplies a developer onto the substrate to form a liquid puddle; a turning flow generation mechanism including a rotary member that rotates about an axis perpendicular to the substrate while the rotary member is being in contact with the liquid puddle thereby to generate a turning flow in the liquid puddle of the developer formed on the substrate; and a moving mechanism for moving the turning flow generation mechanism along a surface of the substrate. The line-width uniformity of a pattern can be improved by forming turning flows in a desired region of the substrate and stirring the developer.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: February 21, 2017
    Assignee: Tokyo Electron Limited
    Inventors: Kousuke Yoshihara, Hideharu Kyouda, Koshi Muta, Taro Yamamoto, Yasushi Takiguchi
  • Publication number: 20170045821
    Abstract: A developing apparatus includes: a substrate holder that hold a substrate horizontally; a developer nozzle that supplies a developer onto the substrate to form a liquid puddle; a turning flow generation mechanism including a rotary member that rotates about an axis perpendicular to the substrate while the rotary member is being in contact with the liquid puddle thereby to generate a turning flow in the liquid puddle of the developer formed on the substrate; and a moving mechanism for moving the turning flow generation mechanism along a surface of the substrate. The line-width uniformity of a pattern can be improved by forming turning flows in a desired region of the substrate and stirring the developer.
    Type: Application
    Filed: October 31, 2016
    Publication date: February 16, 2017
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Kousuke YOSHIHARA, Hideharu KYOUDA, Koshi MUTA, Taro YAMAMOTO, Yasushi TAKIGUCHI
  • Patent number: 9568829
    Abstract: A developing method includes: horizontally holding an exposed substrate by a substrate holder; forming a liquid puddle on a part of the substrate, by supplying a developer from a developer nozzle; rotating the substrate; spreading the liquid puddle on a whole surface of the substrate, by moving the developer nozzle such that a supply position of the developer on the rotating substrate is moved in a radial direction of the substrate; bringing, simultaneously with the spreading of the liquid puddle on the whole surface of the substrate, a contact part into contact with the liquid puddle, the contact part being configured to be moved together with the developer nozzle and having a surface opposed to the substrate which is smaller than the surface of the substrate. According to this method, an amount of liquid falling down to the outside of the substrate can be inhibited. In addition, since the rotating speed of the substrate can be decreased, spattering of the developer can be inhibited.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: February 14, 2017
    Assignee: Tokyo Electron Limited
    Inventors: Kousuke Yoshihara, Hideharu Kyouda, Koshi Muta, Taro Yamamoto, Yasushi Takiguchi, Masahiro Fukuda
  • Publication number: 20170032983
    Abstract: A thermal catalytic layer is formed on the inner surface of a processing container and heated. Thus, when a sublimate sublimated from a coating film on a wafer W and received within the processing container reaches the vicinity of the thermal catalytic layer, the sublimate is decomposed and removed by the thermal activation of the thermal catalytic layer. In removing a sublimate attached to a light transmission window, a cleaning substrate formed with the thermal catalytic layer on the surface thereof is carried into the processing container and caused to approach the light transmission window. Thereafter, the cleaning substrate is heated so that the sublimate attached to the surface of the light transmission window is removed.
    Type: Application
    Filed: July 27, 2016
    Publication date: February 2, 2017
    Inventors: Koshi MUTA, Tsuyoshi MORIYA, Takuya MORI, Kazuhiro TAKESHITA, Tomonori ESAKI, Kouichi MIZUNAGA, Masataka TANAKA, Kouzou KANAGAWA, Keigo NAKANO
  • Publication number: 20160154311
    Abstract: A developing method includes: forming a liquid pool of a diluted developing solution diluted with pure water in a central portion of a substrate; forming a liquid film of the diluted developing solution on a surface of the substrate by accelerating rotation of the substrate to diffuse the liquid pool of the diluted developing solution on the entire surface of the substrate; and then supplying a developing solution onto the substrate. Supplying a developing solution includes: supplying the developing solution from a developing solution supply nozzle having a liquid contact surface while securing a gap having a predetermined size between the developing solution supply nozzle and the substrate; and moving the developing solution supply nozzle in a radial direction passing through a center of the substrate while forming a liquid pool of the developing solution between the substrate and the liquid contact surface of the developing solution supply nozzle.
    Type: Application
    Filed: November 27, 2015
    Publication date: June 2, 2016
    Inventors: Koshi MUTA, Hideharu KYODA, Minoru KUBOTA
  • Publication number: 20160062240
    Abstract: A developing method can perform a developing process on a resist film that is exposed to light. The developing method includes forming a developing solution film by supplying a developing solution onto a surface of a substrate having thereon a resist film that is exposed to light; thinning the developing solution film by pushing out the developing solution containing components dissolved from the resist film; and supplying a new developing solution onto the thinned developing solution film.
    Type: Application
    Filed: August 25, 2015
    Publication date: March 3, 2016
    Inventors: Koshi Muta, Hideharu Kyoda
  • Publication number: 20150036109
    Abstract: A developing method includes: horizontally holding an exposed substrate by a substrate holder; forming a liquid puddle on a part of the substrate, by supplying a developer from a developer nozzle; rotating the substrate; spreading the liquid puddle on a whole surface of the substrate, by moving the developer nozzle such that a supply position of the developer on the rotating substrate is moved in a radial direction of the substrate; bringing, simultaneously with the spreading of the liquid puddle on the whole surface of the substrate, a contact part into contact with the liquid puddle, the contact part being configured to be moved together with the developer nozzle and having a surface opposed to the substrate which is smaller than the surface of the substrate. According to this method, an amount of liquid falling down to the outside of the substrate can be inhibited. In addition, since the rotating speed of the substrate can be decreased, spattering of the developer can be inhibited.
    Type: Application
    Filed: August 1, 2014
    Publication date: February 5, 2015
    Inventors: Kousuke YOSHIHARA, Hideharu KYOUDA, Koshi MUTA, Taro YAMAMOTO, Yasushi TAKIGUCHI, Masahiro FUKUDA