Patents by Inventor Nobushige Korenaga

Nobushige Korenaga 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: 20230352225
    Abstract: An electromagnetic device includes a first member having a first end face, a second member having a second end face facing the first end face through an air gap, and a coil wound around one of the first member and the second member. Each of the first member and the second member is formed from a laminated body of a plurality of steel plates, and a magnetic circuit formed from the first member and the second member includes a changing part at which a lamination direction of the laminated body changes at a right angle to generate a magnetic flux along a plane direction of each of the plurality of steel plates.
    Type: Application
    Filed: April 14, 2023
    Publication date: November 2, 2023
    Inventors: Takeshi Sato, SHIGEO KOYA, NOBUSHIGE KORENAGA
  • Patent number: 9977347
    Abstract: An apparatus for moving movable part on surface parallel to first and second directions includes single guide to constrain position of the movable part in the second direction and drive mechanism to drive the movable part. The movable part includes first movable member movable in the first direction while being guided by the guide, second movable member having first and second ends, the first end being connected to the first movable member via rotation bearing and moving above the surface, and third movable member movable within range between the first and second ends while being guided by the second movable member. The drive mechanism includes first driver to drive the first end of the second movable member in the first direction, and second driver to drive the second end of the second movable member in the first direction.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: May 22, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kentaro Suzuki, Nobushige Korenaga, Satoshi Iwatani
  • Patent number: 9947508
    Abstract: The present invention provides a lithography apparatus that forms a pattern on a substrate, the apparatus comprising a base, a stage configured to hold the substrate and be movable above the base with the stage supported by the base, a patterning device configured to perform patterning on the substrate held by the stage, a chamber housing the base and the stage, and supporting the patterning device, a detector configured to obtain information of relative positions between the patterning device and the base, a driving device configured to move the base, and a controller configured to control the driving device based on the information obtained by the detector such that the relative positions satisfy a predetermined condition.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: April 17, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Daisuke Iwase, Nobushige Korenaga
  • Patent number: 9823587
    Abstract: This disclosure provides a lithography apparatus including: a lens barrel having an optical system configured to irradiate a substrate with a beam; and a stage apparatus configured to repeat a long distance movement in a primary scanning direction of the substrate and a short distance movement which is shorter than the long distance movement in terms of the amount of movement in a secondary scanning direction of the substrate, and being configured to form a pattern on the substrate with the beam, wherein the stage apparatus includes: a first moving body configured to move in the primary scanning direction; a floating unit configured to support the first moving body, so as to float by a magnetic force and be movable in the primary scanning direction; a second moving body configured to move in the secondary scanning direction; and a guide using a rolling body configured to support the second moving body in contact therewith so as to be movable in the secondary scanning direction.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: November 21, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tadashi Kimura, Nobushige Korenaga
  • Publication number: 20170329237
    Abstract: An apparatus for moving movable part on surface parallel to first and second directions includes single guide to constrain position of the movable part in the second direction and drive mechanism to drive the movable part. The movable part includes first movable member movable in the first direction while being guided by the guide, second movable member having first and second ends, the first end being connected to the first movable member via rotation bearing and moving above the surface, and third movable member movable within range between the first and second ends while being guided by the second movable member. The drive mechanism includes first driver to drive the first end of the second movable member in the first direction, and second driver to drive the second end of the second movable member in the first direction.
    Type: Application
    Filed: May 8, 2017
    Publication date: November 16, 2017
    Inventors: Kentaro Suzuki, Nobushige Korenaga, Satoshi Iwatani
  • Patent number: 9547242
    Abstract: The present invention provides a lithography apparatus which forms a pattern on a substrate, the apparatus including an optical unit including a plurality of optical systems each of which irradiates the substrate with a beam for forming the pattern and which are arranged in at least one of a first direction and a second direction orthogonal to an optical axis thereof, and a pair of interferometers configured to measure a rotation angle of the optical unit around an axis parallel to the optical axis, wherein a distance between measurement axes of the pair of interferometers is not small than longer one of a distance between optical axes of two optical systems, of the plurality of optical systems, farthest away from each other in the first direction and a distance between optical axes of two optical systems, of the plurality of optical systems, farthest away from each other in the second direction.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: January 17, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Atsushi Ito, Nobushige Korenaga
  • Patent number: 9373532
    Abstract: The present invention provides a guide apparatus including a guide member located on a base, and a moving member movable along the guide member. The guide apparatus comprising a plurality of plate members each including a portion facing the base and extending from the portion in a direction to separate from the base, wherein the plurality of plate members are located apart from each other in a direction to separate from the moving member.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: June 21, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Akira Morohashi, Nobushige Korenaga
  • Patent number: 9310688
    Abstract: A processing apparatus configured to conduct a prescribed processing on an object to be processed in a specific environment, the processing apparatus comprising: a chamber configured to have an aperture and an interior accommodated to a specific environment; a mechanism of which at least a portion is contained within the chamber interior, while a remaining portion passes through the aperture without contacting the chamber; at least one support member configured to support the mechanism; a sealing member that configures a boundary of the specific environment and an atmospheric environment by connecting one end to the aperture and connecting the other end to the support member; and a rotary member configured to allow relative rotation around a vertical axis between the support member and a structure that supports the support member.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: April 12, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Daisuke Iwase, Nobushige Korenaga
  • Patent number: 9280068
    Abstract: A stage apparatus has a base; a movable portion including a stage movable relative to the base; a flexible utility line for supplying utility to the movable portion; and a cover for covering the utility line, the cover including: a housing member provided to one of the base and the movable portion, in which an opening is formed; and a sealing member provided to the other of the base and the movable portion, which is arranged opposite to a side, in which the opening is formed, of the housing member with a gap therebetween, and has a side for sealing the opening.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: March 8, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Akira Morohashi, Tadashi Kimura, Nobushige Korenaga
  • Patent number: 9280066
    Abstract: The present invention provides a stage apparatus which holds a substrate, including a first moving stage, a second moving stage supported by the first moving stage, a linear motor including a coil arranged on the first moving stage, and a magnet arranged on the second moving stage in correspondence with the coil, a first channel formed in the first moving stage to supply a first refrigerant for recovering heat from the coil not to contact the coil, a cover member arranged on the first moving stage to surround the coil and be spaced apart from the coil, and a second channel formed in the cover member to supply a second refrigerant for recovering heat from the cover member not to contact the coil.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: March 8, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroshi Kii, Nobushige Korenaga
  • Publication number: 20150364292
    Abstract: A stage apparatus including: a magnet; a moving member configured to be supported so as to float by a magnetic force of the magnet and move in a first direction along a horizontal plane together with the magnet; and a fixed member having a magnetic material facing the magnet above the magnet in a movable area of the moving member, wherein side surfaces of the magnet in the first direction are covered by using a first magnetic field blocking surface of the moving member and a second magnetic field blocking surface of the fixed member.
    Type: Application
    Filed: June 12, 2015
    Publication date: December 17, 2015
    Inventors: Tomonori Ishikawa, Nobushige Korenaga
  • Publication number: 20150348744
    Abstract: A moving apparatus includes a moving member movable in a first direction, a drive unit that drives the moving member, and a magnetic field shielding unit made of a magnetic material to shield at least part of a magnetic field emanating from the drive unit. The drive unit includes a stator and a movable element connected to the moving member. The magnetic field shielding unit includes a first plate connected to the moving member and disposed between the moving member and the movable element, two side plates connected to the first plate and having end portions extending in the first direction, and a second plate connected to the stator and extending in the first direction to surround the movable element and at least part of the stator at plural positions in accordance with movement of the moving member in the first direction together with the first plate and side plates.
    Type: Application
    Filed: May 29, 2015
    Publication date: December 3, 2015
    Inventors: Shinji Uchida, Nobushige Korenaga
  • Publication number: 20150318145
    Abstract: The present invention provides a lithography apparatus that forms a pattern on a substrate, the apparatus comprising a base, a stage configured to hold the substrate and be movable above the base with the stage supported by the base, a patterning device configured to perform patterning on the substrate held by the stage, a chamber housing the base and the stage, and supporting the patterning device, a detector configured to obtain information of relative positions between the patterning device and the base, a driving device configured to move the base, and a controller configured to control the driving device based on the information obtained by the detector such that the relative positions satisfy a predetermined condition.
    Type: Application
    Filed: April 29, 2015
    Publication date: November 5, 2015
    Inventors: Daisuke Iwase, Nobushige Korenaga
  • Publication number: 20150277229
    Abstract: This disclosure provides a lithography apparatus including: a lens barrel having an optical system configured to irradiate a substrate with a beam; and a stage apparatus configured to repeat a long distance movement in a primary scanning direction of the substrate and a short distance movement which is shorter than the long distance movement in terms of the amount of movement in a secondary scanning direction of the substrate, and being configured to form a pattern on the substrate with the beam, wherein the stage apparatus includes: a first moving body configured to move in the primary scanning direction; a floating unit configured to support the first moving body, so as to float by a magnetic force and be movable in the primary scanning direction; a second moving body configured to move in the secondary scanning direction; and a guide using a rolling body configured to support the second moving body in contact therewith so as to be movable in the secondary scanning direction.
    Type: Application
    Filed: March 27, 2015
    Publication date: October 1, 2015
    Inventors: Tadashi Kimura, Nobushige Korenaga
  • Patent number: 9124151
    Abstract: The present invention provides a driving apparatus including an axis member supported on a base, and a movable member movable along the axis member, comprising a plurality of plate members each including a through-hole through which the axis member penetrates and surrounding the axis member, wherein the plurality of plate members are located apart from each other in a moving direction of the movable member.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 1, 2015
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Akira Morohashi, Nobushige Korenaga
  • Publication number: 20150219998
    Abstract: The present invention provides a lithography apparatus including an optical system housing for an optical system which irradiates a substrate with a beam for forming a pattern, a reflecting member which is provided with the optical system housing and having a reflecting surface parallel to an optical axis of the optical system, and a measurement device configured to measure a rotation angle of the optical system housing by causing measurement light to be incident on each of at least three incident points which are not on the same straight line on the reflecting surface, wherein in the reflecting member a through-hole is formed in a region among the at least three incident points in a direction parallel to the optical axis, and is fixed to the optical system housing via a fixing member in the through-hole.
    Type: Application
    Filed: January 6, 2015
    Publication date: August 6, 2015
    Inventors: Atsushi Ito, Nobushige Korenaga
  • Publication number: 20150219447
    Abstract: The present invention provides a lithography apparatus which forms a pattern on a substrate, the apparatus including an optical unit including a plurality of optical systems each of which irradiates the substrate with a beam for forming the pattern and which are arranged in at least one of a first direction and a second direction orthogonal to an optical axis thereof, and a pair of interferometers configured to measure a rotation angle of the optical unit around an axis parallel to the optical axis, wherein a distance between measurement axes of the pair of interferometers is not small than longer one of a distance between optical axes of two optical systems, of the plurality of optical systems, farthest away from each other in the first direction and a distance between optical axes of two optical systems, of the plurality of optical systems, farthest away from each other in the second direction.
    Type: Application
    Filed: January 6, 2015
    Publication date: August 6, 2015
    Inventors: Atsushi ITO, Nobushige KORENAGA
  • Publication number: 20150187540
    Abstract: A drawing apparatus includes a plurality of optical systems, each of which irradiates with a beam a substrate, corresponding thereto, having a predetermined size, and a plurality of holders, each of which is movable and holds the substrate corresponding thereto. The drawing apparatus is configured to perform drawing on a plurality of the substrate respectively held by the plurality of holders with respective beams respectively by the plurality of optical systems with the plurality of holders being scanned relative to the plurality of optical systems in a scan direction, and in a direction orthogonal to the scan direction, an interval between two adjacent optical systems of the plurality of optical systems is smaller than a sum of a length of one of the plurality of holders and the size.
    Type: Application
    Filed: December 22, 2014
    Publication date: July 2, 2015
    Inventors: Atsushi Ito, Nobushige Korenaga
  • Publication number: 20150029484
    Abstract: The present invention provides a stage apparatus which holds a substrate, including a first moving stage, a second moving stage supported by the first moving stage, a linear motor including a coil arranged on the first moving stage, and a magnet arranged on the second moving stage in correspondence with the coil, a first channel formed in the first moving stage to supply a first refrigerant for recovering heat from the coil not to contact the coil, a cover member arranged on the first moving stage to surround the coil and be spaced apart from the coil, and a second channel formed in the cover member to supply a second refrigerant for recovering heat from the cover member not to contact the coil.
    Type: Application
    Filed: July 17, 2014
    Publication date: January 29, 2015
    Inventors: Hiroshi KII, Nobushige KORENAGA
  • Patent number: 8834769
    Abstract: The present invention provides an imprint apparatus including a mold and a stage that holds a substrate, the imprint apparatus executing a curing process of curing a resin while the mold and the resin applied to the substrate contact and a demolding process of releasing the mold from the resin cured in the curing process, the imprint apparatus including a structure that holds the mold, a pillar that supports the structure mechanically independently from the stage through an anti-vibration mount that reduces propagation of vibration, and a force providing unit that provides, to the structure, force in an opposite direction from a direction of force generated in the structure by providing demolding force to the mold during the demolding process.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: September 16, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Nobushige Korenaga