Patents by Inventor Norihiro Takesako

Norihiro Takesako 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: 10359448
    Abstract: Provided is a probe position inspection device that can inspect with ease and higher precision a position of a probe included in a semiconductor evaluation apparatus. The probe includes an inspection magnetic field producing part that produces a magnetic field corresponding to a contact point with a subject semiconductor apparatus. The probe position inspection device includes: a base part having a front surface that can be contacted by the probe, and including a plurality of magnetic field sensors placed in a plane parallel to the front surface, each of the magnetic field sensors sensing the magnetic field produced by the inspection magnetic field producing part; and an output part electrically connected to the magnetic field sensors, the output part outputting, based on the magnetic field, a signal corresponding to each of the magnetic field sensors.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: July 23, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akira Okada, Takaya Noguchi, Norihiro Takesako
  • Patent number: 10209273
    Abstract: A probe position inspection apparatus capable of inspecting the position of contact portions of respective probe tips easily and accurately, an apparatus for inspecting a semiconductor device, and a method of inspecting a semiconductor device are provided. The probe position inspection apparatus includes a transparent plate, a camera for taking an image of one surface of the transparent plate, and a pressure passive member covering the other surface of the transparent plate. The tip of a probe for use in evaluation of a semiconductor device is pressed against the other surface of the transparent plate, with the pressure passive member therebetween. The probe position inspection apparatus further includes an image processor for processing the image taken by the camera to detect the position of the probe in the plane of the transparent plate.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: February 19, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Norihiro Takesako, Takaya Noguchi, Akira Okada
  • Patent number: 10068814
    Abstract: An apparatus for evaluating a semiconductor device includes: a chuck stage for fixing a semiconductor device; an insulating substrate; a plurality of probes fixed to the insulating substrate; a temperature adjustment unit adjusting temperatures of the plurality of probes; an evaluation/control unit causing a current to flow into the semiconductor device through the plurality of probes to evaluate an electric characteristic of the semiconductor device; an inspection plate having a front surface and a rear surface opposite to each other; a thermal image measurement unit acquiring a thermal image of the inspection plate when distal end portions of the plurality of probes are pressed against the front surface; and a thermal image processing unit performing image processing to the thermal image to obtain in-plane positions and temperatures of the distal end portions of the plurality of probes.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: September 4, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akira Okada, Norihiro Takesako, Hajime Akiyama
  • Patent number: 9995786
    Abstract: An apparatus for evaluating a semiconductor device includes: a chuck stage; an insulating substrate; a plurality of probes; a temperature adjustment unit; an evaluation/control unit; and a probe position/temperature inspection device including an inspection plate, a thermo-chromic material, a photographing unit, and an image processing unit. The photographing unit photographs a color-change image of the thermo-chromic material in a state in which distal end portions of the plurality of probes are pressed against the upper surface of the inspection plate. The image processing unit performs image processing to the color-change image to calculate in-plane positions and temperatures of the distal end portions of the plurality of probes.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: June 12, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akira Okada, Norihiro Takesako, Hajime Akiyama
  • Patent number: 9804197
    Abstract: A probe position inspection apparatus which incorporates a rotatable internal prism is attached to a supporting unit for supporting semiconductor device, thus making it possible to accurately inspect in-plane positions of tips of probes in a short time and also making it possible to adapt the probe position inspection apparatus to a double-sided prober.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: October 31, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Norihiro Takesako, Akira Okada, Takaya Noguchi
  • Publication number: 20170299630
    Abstract: Provided is a probe position inspection device that can inspect with ease and higher precision a position of a probe included in a semiconductor evaluation apparatus. The probe includes an inspection magnetic field producing part that produces a magnetic field corresponding to a contact point with a subject semiconductor apparatus. The probe position inspection device includes: a base part having a front surface that can be contacted by the probe, and including a plurality of magnetic field sensors placed in a plane parallel to the front surface, each of the magnetic field sensors sensing the magnetic field produced by the inspection magnetic field producing part; and an output part electrically connected to the magnetic field sensors, the output part outputting, based on the magnetic field, a signal corresponding to each of the magnetic field sensors.
    Type: Application
    Filed: December 12, 2016
    Publication date: October 19, 2017
    Applicant: Mitsubishi Electric Corporation
    Inventors: Akira OKADA, Takaya NOGUCHI, Norihiro TAKESAKO
  • Publication number: 20170199225
    Abstract: A probe position inspection apparatus which incorporates a rotatable internal prism is attached to a supporting unit for supporting semiconductor device, thus making it possible to accurately inspect in-plane positions of tips of probes in a short time and also making it possible to adapt the probe position inspection apparatus to a double-sided prober.
    Type: Application
    Filed: October 3, 2016
    Publication date: July 13, 2017
    Applicant: Mitsubishi Electric Corporation
    Inventors: Norihiro TAKESAKO, Akira OKADA, Takaya NOGUCHI
  • Patent number: 9678143
    Abstract: A semiconductor evaluation apparatus includes a jig for evaluation and a probe substrate. The jig for evaluation is provided such that a plurality of semiconductor devices can be placed thereon. The probe substrate is provided so as to face the jig for evaluation, and includes a contact probe. The jig for evaluation includes a plurality of housing portions divided by a frame portion such that the plurality of semiconductor devices can be separately placed on the plurality of housing portions, respectively. The semiconductor evaluation apparatus is configured such that the contact probe can be brought into contact with a plurality of elements in the state where a space is provided by bringing the frame portion and the probe substrate in proximity to each other. In this space, each of the plurality of semiconductor devices is placed between a corresponding one of the plurality of housing portions and the probe substrate.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: June 13, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akira Okada, Takaya Noguchi, Norihiro Takesako, Kinya Yamashita, Hajime Akiyama
  • Publication number: 20170139002
    Abstract: An apparatus for evaluating a semiconductor device includes: a chuck stage; an insulating substrate; a plurality of probes; a temperature adjustment unit; an evaluation/control unit; and a probe position/temperature inspection device including an inspection plate, a thermo-chromic material, a photographing unit, and an image processing unit. The photographing unit photographs a color-change image of the thermo-chromic material in a state in which distal end portions of the plurality of probes are pressed against the upper surface of the inspection plate. The image processing unit performs image processing to the color-change image to calculate in-plane positions and temperatures of the distal end portions of the plurality of probes.
    Type: Application
    Filed: July 7, 2016
    Publication date: May 18, 2017
    Applicant: Mitsubishi Electric Corporation
    Inventors: Akira OKADA, Norihiro TAKESAKO, Hajime AKIYAMA
  • Publication number: 20170102410
    Abstract: A probe position inspection apparatus capable of inspecting the position of contact portions of respective probe tips easily and accurately, an apparatus for inspecting a semiconductor device, and a method of inspecting a semiconductor device are provided. The probe position inspection apparatus includes a transparent plate, a camera for taking an image of one surface of the transparent plate, and a pressure passive member covering the other surface of the transparent plate. The tip of a probe for use in evaluation of a semiconductor device is pressed against the other surface of the transparent plate, with the pressure passive member therebetween. The probe position inspection apparatus further includes an image processor for processing the image taken by the camera to detect the position of the probe in the plane of the transparent plate.
    Type: Application
    Filed: July 11, 2016
    Publication date: April 13, 2017
    Applicant: Mitsubishi Electric Corporation
    Inventors: Norihiro TAKESAKO, Takaya NOGUCHI, Akira OKADA
  • Publication number: 20170092553
    Abstract: An apparatus for evaluating a semiconductor device includes: a chuck stage for fixing a semiconductor device; an insulating substrate; a plurality of probes fixed to the insulating substrate; a temperature adjustment unit adjusting temperatures of the plurality of probes; an evaluation/control unit causing a current to flow into the semiconductor device through the plurality of probes to evaluate an electric characteristic of the semiconductor device; an inspection plate having a front surface and a rear surface opposite to each other; a thermal image measurement unit acquiring a thermal image of the inspection plate when distal end portions of the plurality of probes are pressed against the front surface; and a thermal image processing unit performing image processing to the thermal image to obtain in-plane positions and temperatures of the distal end portions of the plurality of probes.
    Type: Application
    Filed: April 22, 2016
    Publication date: March 30, 2017
    Applicant: Mitsubishi Electric Corporation
    Inventors: Akira OKADA, Norihiro TAKESAKO, Hajime AKIYAMA
  • Patent number: 9562929
    Abstract: A measurement device includes a stage for carrying an object to be measured, an insulating board having a through hole, a probe fixed on the undersurface of the insulating board, a side wall section in a shape surrounding the probe, a pressurizing section provided on the top surface of the insulating board, the pressuring section supplying a gas below the insulating board via the through hole, and a measurement section electrically connected to the probe to control the pressurizing section, wherein the measurement section measures an electric property of the object to be measured via the probe in a state where the pressurizing section is controlled to supply a gas to a measurement space located below the insulating board to increase a pressure in the measurement space, the measurement space surrounded by the stage, the side wall section, and the insulating board.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: February 7, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takaya Noguchi, Akira Okada, Norihiro Takesako
  • Patent number: 9257316
    Abstract: A semiconductor testing jig is provided with a conductive stage including a plurality of mounting portions on which a plurality of vertical semiconductor devices are each individually disposed with lower surface electrodes being in contact with the plurality of mounting portions, an insulating frame portion having a lattice pattern that is disposed on the stage and surrounds each of the plurality of mounting portions in plan view to define each of the mounting portions, and an abrasive layer disposed in a position in the frame portion, the position facing each of the vertical semiconductor devices disposed on the mounting portions.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: February 9, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akira Okada, Takaya Noguchi, Norihiro Takesako, Kinya Yamashita, Hajime Akiyama
  • Publication number: 20150331011
    Abstract: A measurement device includes a stage for carrying an object to be measured, an insulating board having a through hole, a probe fixed on the undersurface of the insulating board, a side wall section in a shape surrounding the probe, a pressurizing section provided on the top surface of the insulating board, the pressuring section supplying a gas below the insulating board via the through hole, and a measurement section electrically connected to the probe to control the pressurizing section, wherein the measurement section measures an electric property of the object to be measured via the probe in a state where the pressurizing section is controlled to supply a gas to a measurement space located below the insulating board to increase a pressure in the measurement space, the measurement space surrounded by the stage, the side wall section, and the insulating board.
    Type: Application
    Filed: February 3, 2015
    Publication date: November 19, 2015
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takaya NOGUCHI, Akira OKADA, Norihiro TAKESAKO
  • Publication number: 20150115989
    Abstract: A semiconductor evaluation apparatus includes a jig for evaluation and a probe substrate. The jig for evaluation is provided such that a plurality of semiconductor devices can be placed thereon. The probe substrate is provided so as to face the jig for evaluation, and includes a contact probe. The jig for evaluation includes a plurality of housing portions divided by a frame portion such that the plurality of semiconductor devices can be separately placed on the plurality of housing portions, respectively. The semiconductor evaluation apparatus is configured such that the contact probe can be brought into contact with a plurality of elements in the state where a space is provided by bringing the frame portion and the probe substrate in proximity to each other. In this space, each of the plurality of semiconductor devices is placed between a corresponding one of the plurality of housing portions and the probe substrate.
    Type: Application
    Filed: June 17, 2014
    Publication date: April 30, 2015
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Akira OKADA, Takaya NOGUCHI, Norihiro TAKESAKO, Kinya YAMASHITA, Hajime AKIYAMA
  • Publication number: 20150091599
    Abstract: A semiconductor testing jig is provided with a conductive stage including a plurality of mounting portions on which a plurality of vertical semiconductor devices are each individually disposed with lower surface electrodes being in contact with the plurality of mounting portions, an insulating frame portion having a lattice pattern that is disposed on the stage and surrounds each of the plurality of mounting portions in plan view to define each of the mounting portions, and an abrasive layer disposed in a position in the frame portion, the position facing each of the vertical semiconductor devices disposed on the mounting portions.
    Type: Application
    Filed: June 27, 2014
    Publication date: April 2, 2015
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Akira OKADA, Takaya NOGUCHI, Norihiro TAKESAKO, Kinya YAMASHITA, Hajime AKIYAMA
  • Patent number: 8980655
    Abstract: A test apparatus includes a foreign matter removal unit having a first slope provided with an abrasive coating or an adhesive sheet and a second slope provided with an abrasive coating or an adhesive sheet, the second slope facing the first slope in such a manner that an upper end of the second slope is spaced from an upper end of the first slope a greater distance than a lower end of the second slope is spaced from a lower end of the first slope, a test unit for testing electrical characteristics of a semiconductor chip, and a transfer unit for holding and releasing the semiconductor chip at a position above the first and second slopes and transferring the semiconductor chip to the test unit.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: March 17, 2015
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akira Okada, Takaya Noguchi, Norihiro Takesako, Kinya Yamashita, Hajime Akiyama
  • Publication number: 20150044788
    Abstract: A test apparatus includes a foreign matter removal unit having a first slope provided with an abrasive coating or an adhesive sheet and a second slope provided with an abrasive coating or an adhesive sheet, the second slope facing the first slope in such a manner that an upper end of the second slope is spaced from an upper end of the first slope a greater distance than a lower end of the second slope is spaced from a lower end of the first slope, a test unit for testing electrical characteristics of a semiconductor chip, and a transfer unit for holding and releasing the semiconductor chip at a position above the first and second slopes and transferring the semiconductor chip to the test unit.
    Type: Application
    Filed: April 18, 2014
    Publication date: February 12, 2015
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Akira OKADA, Takaya NOGUCHI, Norihiro TAKESAKO, Kinya YAMASHITA, Hajime AKIYAMA
  • Patent number: 6556880
    Abstract: In a production schedule planning device, a schedule planning unit 4 recognizes a previous schedule as a prerequisite without obtaining a current progress and information of initial setups of processing devices by the schedule planning unit 4, whereby a schedule of a newly thrown lot can be planned without modifying and/or changing the previous schedule.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: April 29, 2003
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Norihiro Takesako, Kazunori Morinaga, Akihisa Chikamura
  • Publication number: 20020161465
    Abstract: In a production schedule planning device, a schedule planning unit 4 recognizes a previous schedule as a prerequisite without obtaining a current progress and information of initial setups of processing devices by the schedule planning unit 4, whereby a schedule of a newly thrown lot can be planned without modifying and/or changing the previous schedule.
    Type: Application
    Filed: July 13, 2001
    Publication date: October 31, 2002
    Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA
    Inventors: Norihiro Takesako, Kazunori Morinaga, Akihisa Chikamura