Patents by Inventor Ayumu Miyoshi

Ayumu Miyoshi 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: 8900426
    Abstract: A sputtering apparatus including a target holder configured to hold at least two targets; a substrate holder configured to hold a substrate; a first shutter plate arranged between the target holder and the substrate holder, the first shutter plate having at least two holes and being capable of rotating around an axis; a second shutter plate arranged between the first shutter plate and the substrate holder, the second shutter plate having at least two holes and being capable of rotating around the axis; wherein the first and second shutter plates are rotated such that paths are simultaneously created between the at least two targets and the substrate through the at least two holes of the rotated first shutter plate and the at least two holes of the rotated second shutter plate, and a film is formed on the substrate by co-sputtering of the at least two targets.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: December 2, 2014
    Assignee: Canon Anelva Corporation
    Inventors: Shuji Nomura, Ayumu Miyoshi, Hiroshi Miki
  • Patent number: 8601978
    Abstract: The present invention provides a substrate processing apparatus capable of suppressing mutual contamination and/or damage of the insides of ion beam generators arranged opposite each other via a substrate, and a magnetic recording medium manufacturing method. A substrate processing apparatus according to an embodiment of the present invention includes a first ion beam generator that applies an ion beam to one surface to be processed of a substrate, and a second ion beam generator that applies an ion beam to another surface to be processed, which are arranged opposite each other via the substrate, and a first grid in the first ion beam generator, and a second grid in the second ion beam generator are configured so as to be asymmetrical to each other.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: December 10, 2013
    Assignee: Canon Anelva Corporation
    Inventors: Kazuto Yamanaka, Masahiro Shibamoto, Ayumu Miyoshi, Satoshi Hitomi, David Djulianto Djayaprawira
  • Patent number: 8536539
    Abstract: An ion beam generator includes a discharge tank for generating plasma that includes ions. A lead-out electrode has an annular grid portion provided with openings for leading out the ions generated in the discharge tank, while accelerating the generated ions as an annular ion beam. A deflecting electrode deflects the annular ion beam, which is led out of the lead-out electrode, in an annular center direction.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: September 17, 2013
    Assignee: Canon Anelva Corporation
    Inventors: Hirohisa Hirayanagi, Ayumu Miyoshi, Einstein Noel Abarra
  • Patent number: 8281740
    Abstract: The present invention provides a substrate processing apparatus capable of suppressing mutual contamination and/or damage of the insides of ion beam generators arranged opposite each other via a substrate, and a magnetic recording medium manufacturing method. A substrate processing apparatus according to an embodiment of the present invention includes a first ion beam generator that applies an ion beam to one surface to be processed of a substrate W, and a second ion beam generator that applies an ion beam to another surface to be processed, which are arranged opposite each other via the substrate W, and an area of a first grid in the first ion beam generator, and an area of a second grid in the second ion beam generator, each area corresponding to an opening of the substrate W, are occluded.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: October 9, 2012
    Assignee: Canon Anelva Corporation
    Inventors: Kazuto Yamanaka, Masahiro Shibamoto, Ayumu Miyoshi, Satoshi Hitomi, David Djulianto Djayaprawira
  • Publication number: 20120104274
    Abstract: There is provided an ion beam generating apparatus capable of reducing power consumption and obtain highly-accurate uniformity in a substrate process without providing a mechanism to rotate a substrate. Each of ion beam generating apparatuses 1a and 1b includes a discharging tank for generating plasma, an extraction electrode including an inclined portion arranged so as to be inclined with respect to an irradiated surface for extracting an ion generated in the discharging tank, a rotating driving unit 30 provided out of the discharging tank for rotating the extraction electrode, and a rotation supporting member 31 for coupling the rotating driving unit 30 and the extraction electrode 7, wherein an insulator block 34 arranged around the rotation supporting member 31 is included in the discharging tank.
    Type: Application
    Filed: July 13, 2010
    Publication date: May 3, 2012
    Applicant: CANON ANELVA CORPORATION
    Inventors: Hirohisa Hirayanagi, Ayumu Miyoshi, Einstein Noel Abarra
  • Publication number: 20120097533
    Abstract: A sputtering apparatus including a target holder configured to hold at least two targets; a substrate holder configured to hold a substrate; a first shutter plate arranged between the target holder and the substrate holder, the first shutter plate having at least two holes and being capable of rotating around an axis; a second shutter plate arranged between the first shutter plate and the substrate holder, the second shutter plate having at least two holes and being capable of rotating around the axis; wherein the first and second shutter plates are rotated such that paths are simultaneously created between the at least two targets and the substrate through the at least two holes of the rotated first shutter plate and the at least two holes of the rotated second shutter plate, and a film is formed on the substrate by co-sputtering of the at least two targets.
    Type: Application
    Filed: December 12, 2011
    Publication date: April 26, 2012
    Applicant: CANON ANELVA CORPORATION
    Inventors: Shuji NOMURA, Ayumu Miyoshi, Hiroshi Miki
  • Publication number: 20110147200
    Abstract: An ion beam generator generates plasma in a discharge tank 2, leads out an annular ion beam by a lead-out electrode 7, and deflects the ion beam in an annular center direction by a deflecting electrode 30 to enter a substrate W from the inclined direction to provide uniformity of the incident ion beam to the substrate without increasing the size of the whole apparatus.
    Type: Application
    Filed: November 30, 2010
    Publication date: June 23, 2011
    Applicant: CANON ANELVA CORPORATION
    Inventors: Hirohisa Hirayanagi, Ayumu Miyoshi, Einstein Noel Abarra
  • Patent number: 7850827
    Abstract: A double-layer shutter control method of a multi-sputtering system provided with three targets in a single chamber and a double-layer rotating shutter mechanism having shutter plates which independently rotate and have holes formed therein, comprising selecting a target by a combination of holes of a first shutter plate and a second shutter plate and uses the selected target for a pre-sputtering step and a main sputtering step with continuous discharge so as to deposit a film on a substrate, whereby it is possible to prevent cross-contamination between targets due to target substances etc. deposited on the shutter plates.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: December 14, 2010
    Assignee: Canon Anelva Corporation
    Inventors: Shuji Nomura, Ayumu Miyoshi, Hiroshi Miki
  • Publication number: 20100028529
    Abstract: The present invention provides a substrate processing apparatus capable of suppressing mutual contamination and/or damage of the insides of ion beam generators arranged opposite each other via a substrate, and a magnetic recording medium manufacturing method. A substrate processing apparatus according to an embodiment of the present invention includes a first ion beam generator that applies an ion beam to one surface to be processed of a substrate, and a second ion beam generator that applies an ion beam to another surface to be processed, which are arranged opposite each other via the substrate, and a first grid in the first ion beam generator, and a second grid in the second ion beam generator are configured so as to be asymmetrical to each other.
    Type: Application
    Filed: July 14, 2009
    Publication date: February 4, 2010
    Applicant: CANON ANELVA CORPORATION
    Inventors: Kazuto Yamanaka, Masahiro Shibamoto, Ayumu Miyoshi, Satoshi Hitomi, David Djulianto Djayaprawira
  • Publication number: 20100025363
    Abstract: The present invention provides a substrate processing apparatus capable of suppressing mutual contamination and/or damage of the insides of ion beam generators arranged opposite each other via a substrate, and a magnetic recording medium manufacturing method. A substrate processing apparatus according to an embodiment of the present invention includes a first ion beam generator that applies an ion beam to one surface to be processed of a substrate W, and a second ion beam generator that applies an ion beam to another surface to be processed, which are arranged opposite each other via the substrate W, and an area of a first grid in the first ion beam generator, and an area of a second grid in the second ion beam generator, each area corresponding to an opening of the substrate W, are occluded.
    Type: Application
    Filed: July 14, 2009
    Publication date: February 4, 2010
    Applicant: CANON ANELVA CORPORATION
    Inventors: Kazuto Yamanaka, Masahiro Shibamoto, Ayumu Miyoshi, Satoshi Hitomi, David Djulianto Djayaprawira
  • Publication number: 20090139865
    Abstract: A double-layer shutter control method of a multi-sputtering system provided with three targets in a single chamber and a double-layer rotating shutter mechanism having shutter plates which independently rotate and have holes formed therein, comprising selecting a target by a combination of holes of a first shutter plate and a second shutter plate and uses the selected target for a pre-sputtering step and a main sputtering step with continuous discharge so as to deposit a film on a substrate, whereby it is possible to prevent cross-contamination between targets due to target substances etc. deposited on the shutter plates.
    Type: Application
    Filed: November 17, 2008
    Publication date: June 4, 2009
    Applicant: Canon Anelva Corporation
    Inventors: Shuji Nomura, Ayumu Miyoshi, Hiroshi Miki
  • Publication number: 20050199490
    Abstract: A double-layer shutter control method of a multi-sputtering system provided with three targets in a single chamber and a double-layer rotating shutter mechanism having shutter plates which independently rotate and have holes formed therein, comprising selecting a target by a combination of holes of a first shutter plate and a second shutter plate and uses the selected target for a pre-sputtering step and a main sputtering step with continuous discharge so as to deposit a film on a substrate, whereby it is possible to prevent cross-contamination between targets due to target substances etc. deposited on the shutter plates.
    Type: Application
    Filed: March 14, 2005
    Publication date: September 15, 2005
    Applicant: ANELVA Corporation
    Inventors: Shuji Nomura, Ayumu Miyoshi, Hiroshi Miki
  • Patent number: 6641703
    Abstract: A magnetic multi-layer film manufacturing apparatus has a transferring chamber, a plurality of film-depositing chambers, and a robotic transferring device. Each film-depositing chamber has a rotatable substrate holder, a plurality of targets positioned at an incline on an opposing interior surface from the substrate holder, and a double layer rotating shutter mechanism and is controllable to deposit at least one layer of a magnetic multi-layer film structure. Magnetic multi-layer film structures are formed by depositing a plurality of magnetic films divided into a plurality of groups, each one of the plurality of groups deposited in an associated one of the plurality of film-depositing chambers continuously in a laminated state. A first division between successive groups of magnetic films is between a metal oxide film and a magnetic layer continuous therewith and a second division is between an antiferromagnetic layer and a magnetic layer continuous therewith.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: November 4, 2003
    Assignee: Anelva Corporation
    Inventors: Shuji Nomura, Ayumu Miyoshi, Koji Tsunekawa
  • Publication number: 20020064595
    Abstract: A magnetic multi-layer film manufacturing apparatus has a transferring chamber, a plurality of film-depositing chambers, and a robotic transferring device. Each film-depositing chamber has a rotatable substrate holder, a plurality of targets positioned at an incline on an opposing interior surface from the substrate holder, and a double layer rotating shutter mechanism and is controllable to deposit at least one layer of a magnetic multi-layer film structure. Magnetic multi-layer film structures are formed by depositing a plurality of magnetic films divided into a plurality of groups, each one of the plurality of groups deposited in an associated one of the plurality of film-depositing chambers continuously in a laminated state. A first division between successive groups of magnetic films is between a metal oxide film and a magnetic layer continuous therewith and a second division is between an antiferromagnetic layer and a magnetic layer continuous therewith.
    Type: Application
    Filed: November 30, 2001
    Publication date: May 30, 2002
    Inventors: Shuji Nomura, Ayumu Miyoshi, Koji Tsunekawa