Patents by Inventor Yukifumi YOSHIDA

Yukifumi YOSHIDA 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: 11919051
    Abstract: A processing solution containing solvent and solute is supplied onto a substrate (9). The processing solution transforms into a particle retention layer as a result of at least part of the solvent being volatilized from the processing solution and causing the processing solution to solidify or harden. The particle retention layer is removed from the substrate (9) by supplying a removal liquid onto the substrate (9). A solute component contained in the particle retention layer is insoluble or poorly soluble in the removal liquid, whereas the solvent is soluble. The solute component contained in the particle retention layer has the property of being altered to become soluble in the removal liquid when heated to a temperature higher than or equal to an alteration temperature. The removal liquid is supplied after the formation of the particle retention layer, without undergoing a process of alternating the solute component.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: March 5, 2024
    Assignee: SCREEN HOLDINGS CO., LTD.
    Inventors: Yukifumi Yoshida, Ayumi Higuchi, Naoko Yamaguchi
  • Patent number: 11921426
    Abstract: A substrate processing method includes a preprocessing forming step of forming a preprocessing film on a surface of a substrate having the surface on which a first region and a second region in which different substances are exposed are present, a preprocessing film separating step of separating the preprocessing film from the surface of the substrate with a stripping liquid, a processing film forming step of forming a processing film on the surface of the substrate after the preprocessing film separating step, and a processing film separating step of separating the processing film from the surface of the substrate with the stripping liquid.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: March 5, 2024
    Assignee: SCREEN Holdings Co., Ltd.
    Inventors: Katsuya Akiyama, Yukifumi Yoshida, Song Zhang
  • Patent number: 11901173
    Abstract: A substrate processing method includes a processing liquid supplying step of supplying a processing liquid to a patterned surface of a substrate having the patterned surface with projections and recesses, a processing film forming step of solidifying or curing the processing liquid supplied to the patterned surface to form, so as to follow the projections and the recesses of the patterned surface, a processing film which holds a removal object present on the patterned surface and a removing step of supplying a peeling liquid to the patterned surface to peel the processing film from the patterned surface together with the removal object, thereby removing the processing film from the substrate, while such a state is kept that the removal object is held by the processing film.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: February 13, 2024
    Inventors: Yukifumi Yoshida, Manabu Okutani, Shuichi Yasuda, Yasunori Kanematsu, Dai Ueda, Song Zhang, Tatsuro Nagahara, Takafumi Kinuta
  • Publication number: 20240047245
    Abstract: A substrate processing method etches a substrate. The substrate processing method includes an oxide layer forming step of oxidizing a surface layer portion of a major surface of the substrate and forming an oxide layer and an oxide layer removing step of forming a polymer film that contains an acid polymer on the major surface of the substrate and removing the oxide layer by the acid polymer contained in the polymer film. The oxide layer forming step and the oxide layer removing step are alternately repeated.
    Type: Application
    Filed: January 11, 2022
    Publication date: February 8, 2024
    Inventors: Kana TAHARA, Yukifumi YOSHIDA
  • Patent number: 11872605
    Abstract: The substrate processing method includes a hydrophilization step of hydrophilizing a surface of a substrate, a processing liquid supplying step of supplying a processing liquid to the hydrophilized surface of the substrate, a processing film forming step in which the processing liquid supplied to the surface of the substrate is solidified or cured to form a processing film on the surface of the substrate, and a peeling step in which a peeling liquid is supplied to the surface of the substrate to peel the processing film from the surface of the substrate. The peeling step includes a penetrating hole forming step in which the processing film is partially dissolved in the peeling liquid to form a penetrating hole in the processing film.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: January 16, 2024
    Inventors: Katsuya Akiyama, Yukifumi Yoshida
  • Publication number: 20240002757
    Abstract: The present invention is a self-assembled monolayer removing liquid for selectively removing a self-assembled monolayer provided on a surface of a substrate, the removing liquid having a Hansen solubility parameter positioned in a first Hansen sphere of a material for forming the self-assembled monolayer and in a second Hansen sphere of the self-assembled monolayer, the first Hansen sphere being defined by a center value (?d1, ?p1, ?h1) [MPa1/2] and a sphere radius R1 [MPa1/2] in a Hansen solubility parameter space, the second Hansen sphere being defined by a center value (?d2, ?p2, ?h2) [MPa1/2] and a sphere radius R2 [MPa1/2] in the Hansen solubility parameter space.
    Type: Application
    Filed: June 13, 2023
    Publication date: January 4, 2024
    Inventors: Yukifumi YOSHIDA, Yasuharu MIYAMOTO
  • Publication number: 20230271230
    Abstract: A substrate processing method includes a processing film forming step in which a processing liquid is supplied to a front surface of a substrate and the processing liquid on the front surface of the substrate is solidified or cured to form a processing film on the front surface of the substrate, an etching facilitating step in which the processing film is subjected to etching function developing processing, thereby facilitating etching at a surface layer portion of the substrate by the processing film, and an etching reducing step in which the processing film is subjected to etching function eliminating processing, thereby reducing the etching at the surface layer portion of the substrate by the processing film in a state that the processing film is kept on the substrate.
    Type: Application
    Filed: June 29, 2021
    Publication date: August 31, 2023
    Inventor: Yukifumi YOSHIDA
  • Publication number: 20230268172
    Abstract: A substrate processing method includes a processing film forming step in which a processing liquid is supplied to a front surface of a substrate to solidify or cure the processing liquid on the front surface of the substrate, thereby forming a processing film on the front surface of the substrate, an etching component forming step in which the processing film is subjected to etching component forming processing to form an etching component in the processing film, an etching step in which a surface layer portion of the substrate is etched by the etching component formed in the etching component forming step, and a processing film removing step in which a peeling liquid is supplied to a front surface of the processing film, thereby peeling the processing film from the front surface of the substrate and removing the processing film from the front surface of the substrate.
    Type: Application
    Filed: July 8, 2021
    Publication date: August 24, 2023
    Inventors: Yukifumi YOSHIDA, Kana TAHARA
  • Patent number: 11710629
    Abstract: A substrate processing apparatus includes a substrate holder, and a discharge head for peripheral area from which a fluid is discharge toward a surface peripheral area of the substrate held on the substrate holder. The discharge head for peripheral area includes multiple nozzles, and a support part that supports the nozzles integrally. The nozzles include a processing liquid nozzle from which a processing liquid is discharged toward the surface peripheral area, and a gas nozzle from which gas is discharged toward the surface peripheral area. The gas nozzle is placed upstream of a rotative direction of the substrate relative to the processing liquid nozzle.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: July 25, 2023
    Assignee: SCREEN Holdings Co., Ltd.
    Inventors: Tomonori Fujiwara, Nobuyuki Shibayama, Yukifumi Yoshida
  • Publication number: 20230113052
    Abstract: The substrate processing method includes a hydrophilization step of hydrophilizing a surface of a substrate, a processing liquid supplying step of supplying a processing liquid to the hydrophilized surface of the substrate, a processing film forming step in which the processing liquid supplied to the surface of the substrate is solidified or cured to form a processing film on the surface of the substrate, and a peeling step in which a peeling liquid is supplied to the surface of the substrate to peel the processing film from the surface of the substrate. The peeling step includes a penetrating hole forming step in which the processing film is partially dissolved in the peeling liquid to form a penetrating hole in the processing film.
    Type: Application
    Filed: November 3, 2022
    Publication date: April 13, 2023
    Inventors: Katsuya AKIYAMA, Yukifumi YOSHIDA
  • Publication number: 20230098367
    Abstract: A substrate processing method includes a preprocessing forming step of forming a preprocessing film on a surface of a substrate having the surface on which a first region and a second region in which different substances are exposed are present, a preprocessing film separating step of separating the preprocessing film from the surface of the substrate with a stripping liquid, a processing film forming step of forming a processing film on the surface of the substrate after the preprocessing film separating step, and a processing film separating step of separating the processing film from the surface of the substrate with the stripping liquid.
    Type: Application
    Filed: November 29, 2022
    Publication date: March 30, 2023
    Applicant: SCREEN Holdings Co., Ltd.
    Inventors: Katsuya AKIYAMA, Yukifumi YOSHIDA, Song ZHANG
  • Patent number: 11543752
    Abstract: A substrate processing method includes a preprocessing forming step of forming a preprocessing film on a surface of a substrate having the surface on which a first region and a second region in which different substances are exposed are present, a preprocessing film separating step of separating the preprocessing film from the surface of the substrate with a stripping liquid, a processing film forming step of forming a processing film on the surface of the substrate after the preprocessing film separating step, and a processing film separating step of separating the processing film from the surface of the substrate with the stripping liquid.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: January 3, 2023
    Assignee: SCREEN Holdings Co., Ltd.
    Inventors: Katsuya Akiyama, Yukifumi Yoshida, Song Zhang
  • Publication number: 20220392780
    Abstract: A substrate processing method includes a processing liquid supplying step of supplying a processing liquid having a solute and a solvent to a surface of a substrate, a processing film forming step of solidifying or curing the processing liquid supplied to the surface of the substrate to form, on the surface of the substrate, a processing film that holds a removal object present on the surface of the substrate, a peeling step of supplying a peeling liquid forming liquid to the surface of the substrate to put the peeling liquid forming liquid in contact with the processing film and form a peeling liquid, and peeling the processing film, in the state of holding the removal object, from the surface of the substrate by the peeling liquid, and a removing step of continuing the supply of the peeling liquid forming liquid, after the peeling of the processing film, to wash away and remove the processing film from the surface of the substrate in the state where the removal object is held by the processing film.
    Type: Application
    Filed: August 5, 2022
    Publication date: December 8, 2022
    Inventors: Yukifumi YOSHIDA, Dai UEDA
  • Patent number: 11517941
    Abstract: The substrate processing method includes a hydrophilization step of hydrophilizing a surface of a substrate, a processing liquid supplying step of supplying a processing liquid to the hydrophilized surface of the substrate, a processing film forming step in which the processing liquid supplied to the surface of the substrate is solidified or cured to form a processing film on the surface of the substrate, and a peeling step in which a peeling liquid is supplied to the surface of the substrate to peel the processing film from the surface of the substrate. The peeling step includes a penetrating hole forming step in which the processing film is partially dissolved in the peeling liquid to form a penetrating hole in the processing film.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: December 6, 2022
    Inventors: Katsuya Akiyama, Yukifumi Yoshida
  • Patent number: 11501984
    Abstract: A substrate processing apparatus includes a first cleaning solution supply part for supplying a main surface of a substrate with an alkaline or acid first cleaning solution and a second cleaning solution supply part for supplying the main surface with a second cleaning solution containing a thickener and having a viscosity higher than that of the first cleaning solution. In a state where one cleaning solution out of the first cleaning solution and the second cleaning solution is present on the main surface, the other cleaning solution is supplied onto the main surface. It is thereby possible to more reliably remove unnecessary substances on the main surface of the substrate.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: November 15, 2022
    Inventor: Yukifumi Yoshida
  • Publication number: 20220339676
    Abstract: A processing solution containing solvent and solute is supplied onto a substrate (9). The processing solution transforms into a particle retention layer as a result of at least part of the solvent being volatilized from the processing solution and causing the processing solution to solidify or harden. The particle retention layer is removed from the substrate (9) by supplying a removal liquid onto the substrate (9). A solute component contained in the particle retention layer is insoluble or poorly soluble in the removal liquid, whereas the solvent is soluble. The solute component contained in the particle retention layer has the property of being altered to become soluble in the removal liquid when heated to a temperature higher than or equal to an alteration temperature. The removal liquid is supplied after the formation of the particle retention layer, without undergoing a process of alternating the solute component.
    Type: Application
    Filed: July 7, 2022
    Publication date: October 27, 2022
    Inventors: Yukifumi YOSHIDA, Ayumi HIGUCHI, Naoko YAMAGUCHI
  • Publication number: 20220331845
    Abstract: A substrate processing method includes a first processing liquid supplying step of supplying a first processing liquid to an upper surface of a substrate, a holding-layer forming step of solidifying or curing the first processing liquid to form a particle holding layer on the upper surface of the substrate, a holding-layer removing step of peeling and removing the particle holding layer from the upper surface of the substrate, a liquid film forming step of forming, after removal of the particle holding layer from the substrate, a liquid film of a second processing liquid, a gas phase layer forming step of forming a gas phase layer for holding the liquid film between the upper surface of the substrate and the liquid film, and a liquid film removing step of removing the second processing liquid from the upper surface of the substrate by moving the liquid film on the gas phase layer.
    Type: Application
    Filed: June 28, 2022
    Publication date: October 20, 2022
    Inventors: Yukifumi YOSHIDA, Manabu OKUTANI, Hiroshi ABE, Shuichi YASUDA, Yasunori KANEMATSU, Hitoshi NAKAI
  • Publication number: 20220323998
    Abstract: A substrate processing method that includes a processing liquid supplying step which supplies a processing liquid to a surface of a substrate, a processing film forming step in which the processing liquid on the surface of the substrate is solidified or cured to form a processing film that holds removal objects present on the surface of the substrate, and a removing step in which a removing liquid is supplied to the surface of the substrate to thereby remove the processing film from the surface of the substrate in a state that the removal objects are held by the processing film. The processing liquid contains a dissolution component which dissolves at least one of a front layer of the substrate and the removal objects as a dissolution object. The processing liquid supplying step includes a dissolution step which partially dissolves the dissolution object by the dissolution component in the processing liquid supplied to the surface of the substrate.
    Type: Application
    Filed: June 1, 2020
    Publication date: October 13, 2022
    Inventor: Yukifumi YOSHIDA
  • Patent number: 11413662
    Abstract: A processing solution containing solvent and solute is supplied onto a substrate (9). The processing solution transforms into a particle retention layer as a result of at least part of the solvent being volatilized from the processing solution and causing the processing solution to solidify or harden. The particle retention layer is removed from the substrate (9) by supplying a removal liquid onto the substrate (9). A solute component contained in the particle retention layer is insoluble or poorly soluble in the removal liquid, whereas the solvent is soluble. The solute component contained in the particle retention layer has the property of being altered to become soluble in the removal liquid when heated to a temperature higher than or equal to an alteration temperature. The removal liquid is supplied after the formation of the particle retention layer, without undergoing a process of alternating the solute component.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: August 16, 2022
    Inventors: Yukifumi Yoshida, Ayumi Higuchi, Naoko Yamaguchi
  • Patent number: 11404292
    Abstract: A substrate processing method includes a first processing liquid supplying step of supplying a first processing liquid to an upper surface of a substrate, a holding-layer forming step of solidifying or curing the first processing liquid to form a particle holding layer on the upper surface of the substrate, a holding-layer removing step of peeling and removing the particle holding layer from the upper surface of the substrate, a liquid film forming step of forming, after removal of the particle holding layer from the substrate, a liquid film of a second processing liquid, a gas phase layer forming step of forming a gas phase layer for holding the liquid film between the upper surface of the substrate and the liquid film, and a liquid film removing step of removing the second processing liquid from the upper surface of the substrate by moving the liquid film on the gas phase layer.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: August 2, 2022
    Inventors: Yukifumi Yoshida, Manabu Okutani, Hiroshi Abe, Shuichi Yasuda, Yasunori Kanematsu, Hitoshi Nakai