Patents by Inventor Hiroshi Kii

Hiroshi Kii 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: 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: 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
  • Publication number: 20140320841
    Abstract: The present invention provides a holding apparatus for holding a substrate by an electrostatic force, the apparatus including a base including an electrode for generating the electrostatic force, a plurality of pins provided on the base, and a seal provided on the base and configured to seal a first space surrounding the plurality of pins, wherein a cavity and a first hole connecting the cavity and the first space is formed in the base, wherein a gas is sealed in the first space, the first hole and the cavity in a vacuum by holding the substrate on the pins and the seal by the electrostatic force.
    Type: Application
    Filed: April 3, 2014
    Publication date: October 30, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masato MURAKI, Hiroshi KII
  • Publication number: 20140036249
    Abstract: The preset invention provides a stage apparatus which holds a substrate, the apparatus including a driving unit which includes a first coil arranged on a fixed portion, and a first magnet which is arranged on a movable portion and opposed to the first coil, and is configured to move the movable portion by a magnetic field generated by supplying a current to the first coil, and an attracting unit which includes a first yoke arranged on the fixed portion, and a second coil wound around the first yoke, and is configured to attract the movable portion to a side of the fixed portion by a magnetic field generated by supplying a current to the second coil.
    Type: Application
    Filed: July 22, 2013
    Publication date: February 6, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hiroshi Kii, Nobushige Korenaga