Patents by Inventor Ikuo Yoneda

Ikuo Yoneda 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: 11333969
    Abstract: Provided is an imprint apparatus that applies a resin (drops) dispersed at a plurality of locations on a substrate, brings the resin and a mold into contact, and transfers the contoured pattern that is formed in the mold to the resin comprising: a controller that sets a principal axis direction according to the contoured pattern and an array direction in which a plurality of resin drops are aligned, and determines application positions for the resin such that the array direction is angled with respect to the principal axis direction; and a dispenser that applies the resin based on the application positions that have been determined.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: May 17, 2022
    Assignees: CANON KABUSHIKI KAISHA, CANON NANOTECHNOLOGIES, INC., KABUSHIKI KAISHA TOSHIBA
    Inventors: Keiji Yamashita, Yutaka Watanabe, Takuya Kono, Masayuki Hatano, Ikuo Yoneda
  • Patent number: 11282723
    Abstract: According to one embodiment, a liquid delivery member is provided which is to be arranged at a predetermined distance from a processing object, and which is configured to deliver a liquid from a slit while the liquid delivery member and the processing object are caused to make relative displacement therebetween in a first direction. The liquid delivery member includes a delivery amount adjustment part provided on a face that forms the slit, extending in a second direction orthogonal to the first direction, and configured to adjust a delivery amount of the liquid.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: March 22, 2022
    Assignee: KIOXIA CORPORATION
    Inventors: Hironobu Tamura, Ikuo Yoneda, Yoshiharu Ono
  • Publication number: 20190101824
    Abstract: Provided is an imprint apparatus that applies a resin (drops) dispersed at a plurality of locations on a substrate, brings the resin and a mold into contact, and transfers the contoured pattern that is formed in the mold to the resin comprising: a controller that sets a principal axis direction according to the contoured pattern and an array direction in which a plurality of resin drops are aligned, and determines application positions for the resin such that the array direction is angled with respect to the principal axis direction; and a dispenser that applies the resin based on the application positions that have been determined.
    Type: Application
    Filed: November 14, 2018
    Publication date: April 4, 2019
    Inventors: Keiji Yamashita, Yutaka Watanabe, Takuya Kono, Masayuki Hatano, Ikuo Yoneda
  • Patent number: 10241397
    Abstract: According to one embodiment, an imprint apparatus including multiple types of imprint units and a conveyor to convey a substrate is provided. Each of the imprint units includes a suction mechanism configured to hold the substrate with multiple suction portions on a substrate holder, and a template having an imprint surface on which a concavo-convex pattern is formed on one face of a template substrate and having a recessed region in the other face, the recessed region corresponding to the imprint surface. The imprint units have different depths of the recessed regions in the templates and different arrangements of the suction portions in the suction mechanisms depending on the types.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: March 26, 2019
    Assignee: Toshiba Memory Corporation
    Inventors: Manabu Takakuwa, Yoshihisa Kawamura, Ikuo Yoneda
  • Patent number: 10192741
    Abstract: According to one embodiment, a device substrate includes a multilayer film that includes a film constituting a device element and is disposed on a substrate. A main face on which the device element is disposed includes a patterning region on which a resist is to be applied during an imprint process, and a bevel region provided as a region from a peripheral edge portion of the patterning region to an end portion of the device substrate. The bevel region includes a region where an upper surface of the bevel region becomes lower toward the end portion of the device substrate relative to an upper surface of the patterning region. The upper surface of the bevel region has an inclination angle of 10° or more and 90° or less with respect to the upper surface of the patterning region, at a boundary between the patterning region and the bevel region.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: January 29, 2019
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Takahito Nishimura, Yoshihisa Kawamura, Kazuhiro Takahata, Ikuo Yoneda, Yoshiharu Ono
  • Patent number: 10168615
    Abstract: Provided is an imprint apparatus that applies a resin to several locations on a substrate, brings the resin and a mold into contact, and transfers a contoured pattern formed in the mold to the resin, comprising: a controller that sets a principal axis direction according to the contoured pattern and determines the application positions of the resin based on the principal axis direction that has been set such that the distances between resin drops that have been applied so as to be separated in the principal axis direction is larger than the distances between resin drops that have been applied so as to be separated in a direction that is perpendicular to the principal axis direction; and a dispenser that applies the resin based on the application position that has been determined.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: January 1, 2019
    Assignees: CANON KABUSHIKI KAISHA, CANON NANOTECHNOLOGIES, INC., KABUSHIKI KAISHA TOSHIBA
    Inventors: Keiji Yamashita, Yutaka Watanabe, Takuya Kono, Masayuki Hatano, Ikuo Yoneda
  • Patent number: 10018908
    Abstract: A near-field exposure mask according to an embodiment includes: a substrate; a concave-convex structure having convexities and concavities and formed on one surface of the substrate; a near-field light generating film arranged at least on a tip portion of each of the convexities, the near-field light generating film being a layer containing at least one element selected from the group consisting of Au, Al, Ag, Cu, Cr, Sb, W, Ni, In, Ge, Sn, Pb, Zn, Pd, and C, or a film stack formed with layers made of some of those materials; and a resin filled in each of the concavities.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: July 10, 2018
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Naomi Shida, Kenji Todori, Shigehiko Mori, Reiko Yoshimura, Hiroyuki Kashiwagi, Ikuo Yoneda, Tsukasa Tada
  • Patent number: 9944014
    Abstract: According to an aspect of the present invention, there is provided a pattern forming apparatus in which a mold having a pattern is brought into contact with an imprinting material on a substrate to transfer the pattern, the apparatus including: a holding part configured to hold the mold; a moving part configured to move the holding part so that the mold is brought into contact with the imprinting material on the substrate and that the mold is removed therefrom; and a control part configured to control so that at least one of conditions of removing the mold can be changed based on conditions of the pattern formed in the mold, the conditions including a rate and an angle of removing the mold.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: April 17, 2018
    Assignee: Toshiba Memory Corporation
    Inventor: Ikuo Yoneda
  • Patent number: 9793120
    Abstract: According to one embodiment, a device substrate includes a multilayer film that includes a film constituting a device element and is disposed on a substrate. A main face on which the device element is disposed includes a patterning region on which a resist is to be applied during an imprint process, and a bevel region provided as a region from a peripheral edge portion of the patterning region to an end portion of the device substrate. The bevel region includes a region where an upper surface of the bevel region becomes lower toward the end portion of the device substrate relative to an upper surface of the patterning region. The upper surface of the bevel region has an inclination angle of 10° or more and 90° or less with respect to the upper surface of the patterning region, at a boundary between the patterning region and the bevel region.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: October 17, 2017
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Takahito Nishimura, Yoshihisa Kawamura, Kazuhiro Takahata, Ikuo Yoneda, Yoshiharu Ono
  • Patent number: 9588418
    Abstract: A near-field exposure mask according to an embodiment includes: a substrate; a concave-convex structure having convexities and concavities and formed on one surface of the substrate; a near-field light generating film arranged at least on a tip portion of each of the convexities, the near-field light generating film being a layer containing at least one element selected from the group consisting of Au, Al, Ag, Cu, Cr, Sb, W, Ni, In, Ge, Sn, Pb, Zn, Pd, and C, or a film stack formed with layers made of some of those materials; and a resin filled in each of the concavities.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: March 7, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Naomi Shida, Kenji Todori, Shigehiko Mori, Reiko Yoshimura, Hiroyuki Kashiwagi, Ikuo Yoneda, Tsukasa Tada
  • Patent number: 9550322
    Abstract: A near-field exposure mask according to an embodiment includes: a silicon substrate; and a near-field light generating unit that is formed on the silicon substrate, the near-field light generating unit being a layer containing at least one element selected from the group consisting of Au, Al, Ag, Cu, Cr, Sb, W, Ni, In, Ge, Sn, Pb, Zn, Pd, and C, or a film stack formed with layers made of some of those materials.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: January 24, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Naomi Shida, Kenji Todori, Shigehiko Mori, Ko Yamada, Masakazu Yamagiwa, Reiko Yoshimura, Yasuyuki Hotta, Tsukasa Tada, Hiroyuki Kashiwagi, Ikuo Yoneda
  • Publication number: 20160372333
    Abstract: According to one embodiment, a device substrate includes a multilayer film that includes a film constituting a device element and is disposed on a substrate. A main face on which the device element is disposed includes a patterning region on which a resist is to be applied during an imprint process, and a bevel region provided as a region from a peripheral edge portion of the patterning region to an end portion of the device substrate. The bevel region includes a region where an upper surface of the bevel region becomes lower toward the end portion of the device substrate relative to an upper surface of the patterning region. The upper surface of the bevel region has an inclination angle of 10° or more and 90° or less with respect to the upper surface of the patterning region, at a boundary between the patterning region and the bevel region.
    Type: Application
    Filed: January 29, 2016
    Publication date: December 22, 2016
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Takahito NISHIMURA, Yoshihisa KAWAMURA, Kazuhiro TAKAHATA, Ikuo YONEDA, Yoshiharu ONO
  • Publication number: 20160318234
    Abstract: According to an aspect of the present invention, there is provided a pattern forming apparatus in which a mold having a pattern is brought into contact with an imprinting material on a substrate to transfer the pattern, the apparatus including: a holding part configured to hold the mold; a moving part configured to move the holding part so that the mold is brought into contact with the imprinting material on the substrate and that the mold is removed therefrom; and a control part configured to control so that at least one of conditions of removing the mold can be changed based on conditions of the pattern formed in the mold, the conditions including a rate and an angle of removing the mold.
    Type: Application
    Filed: July 11, 2016
    Publication date: November 3, 2016
    Inventor: Ikuo YONEDA
  • Patent number: 9403316
    Abstract: According to an aspect of the present invention, there is provided a pattern forming apparatus in which a mold having a pattern is brought into contact with an imprinting material on a substrate to transfer the pattern, the apparatus including: a holding part configured to hold the mold; a moving part configured to move the holding part so that the mold is brought into contact with the imprinting material on the substrate and that the mold is removed therefrom; and a control part configured to control so that at least one of conditions of removing the mold can be changed based on conditions of the pattern formed in the mold, the conditions including a rate and an angle of removing the mold.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: August 2, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Ikuo Yoneda
  • Patent number: 9381540
    Abstract: A pattern forming method includes determining an amount of curable resin to be formed on a substrate, the curable resin having volatility, the amount of the curable resin being determined by a calculation considering volatile loss of the curable resin, the calculation being performed for each of a plurality of regions of the substrate, forming the curable resin having the determined amount on the substrate, the forming the curable resin being performed for each of the plurality of regions of the substrate, contacting the curable resin formed on the substrate with a template, the template including a pattern to be filled with the curable resin by the contacting, and curing the curable resin under a condition where the curable resin is in contact with the template.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: July 5, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takeshi Koshiba, Ikuo Yoneda, Tetsuro Nakasugi
  • Patent number: 9377777
    Abstract: According to one embodiment, a fine processing method includes determining a resist amount required for each first region of a pattern formation surface and a total amount of resist. The method include dividing the total amount of resist by a volume of one resist drop to determine the resist drops total number. The method include determining a provisional position for the resist drop of the total number. The method include assigning the each first region to nearest one resist drop, and partitioning again the pattern formation surface into second regions assigned to the each resist drop. The method include determining a divided value by dividing the volume of the one resist drop by the required total amount of resist determined. The method include finalizing a final position of the each resist drop, if a distribution of the divided value in the pattern formation surface falls within a target range.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: June 28, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yasutada Nakagawa, Takuya Kono, Ikuo Yoneda, Masayuki Hatano
  • Publication number: 20160009020
    Abstract: According to one embodiment, an imprint apparatus including multiple types of imprint units and a conveyor to convey a substrate is provided. Each of the imprint units includes a suction mechanism configured to hold the substrate with multiple suction portions on a substrate holder, and a template having an imprint surface on which a concavo-convex pattern is formed on one face of a template substrate and having a recessed region in the other face, the recessed region corresponding to the imprint surface. The imprint units have different depths of the recessed regions in the templates and different arrangements of the suction portions in the suction mechanisms depending on the types.
    Type: Application
    Filed: September 4, 2014
    Publication date: January 14, 2016
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Manabu Takakuwa, Yoshihisa Kawamura, Ikuo Yoneda
  • Patent number: RE46191
    Abstract: An imprint pattern forming method includes contacting a template with a pattern in a front surface with an imprint material formed in a substrate to fill the imprint material into the pattern, curing the imprint material filled in the pattern to form an imprint material pattern, and after forming the imprint material pattern, separating the template from the imprint material pattern while applying pressure to the back surface of the template.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: November 1, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroshi Tokue, Ikuo Yoneda, Ryoichi Inanami
  • Patent number: RE47093
    Abstract: An imprint pattern forming method includes contacting a template with a pattern in a front surface with an imprint material formed in a substrate to fill the imprint material into the pattern, curing the imprint material filled in the pattern to form an imprint material pattern, and after forming the imprint material pattern, separating the template from the imprint material pattern while applying pressure to the back surface of the template.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: October 23, 2018
    Assignee: Toshiba Memory Corporation
    Inventors: Hiroshi Tokue, Ikuo Yoneda, Ryoichi Inanami
  • Patent number: RE48815
    Abstract: A method of designing a template pattern used for imprint lithography, includes generating data of a dummy template pattern to be formed in a third area between first and second areas of a template based on data of a design pattern of the template, the data of the dummy template pattern being generated so that a third surface area ratio showing a ratio of a surface area of the third area to an area of the third area is set smaller than a first surface area ratio showing a ratio of a surface area of the first area to an area of the first area and larger than a second surface area ratio showing a ratio of a surface area of the second area to an area of the second area.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: November 9, 2021
    Assignee: Kioxia Corporation
    Inventors: Ryoichi Inanami, Hiroshi Tokue, Ikuo Yoneda