Patents by Inventor Takekazu Tanaka

Takekazu Tanaka 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: 20240109670
    Abstract: [Object] To provide a control device which enables a flight vehicle device to obtain a highly precise image. [Solution] Provided is the control device including an illuminating control unit configured to adjust a light amount of an illuminating device according to an inclination of a fuselage of a flight vehicle device that has an imaging device configured to photograph a photographing target and the illuminating device configured to illuminate the photographing target.
    Type: Application
    Filed: December 6, 2023
    Publication date: April 4, 2024
    Applicant: Sony Group Corporation
    Inventors: Kohtaro SABE, Kayoko TANAKA, Kousuke SUZUKI, Masaaki MASUDA, Takekazu KAKINUMA, Kazunori HAYASHI
  • Patent number: 8395261
    Abstract: A semiconductor device includes an electrode pad provided on a semiconductor chip, the electrode pad includes aluminum (Al) of between 50% wt. and 99.9% wt. and further includes copper (Cu), a coupling ball that primarily includes Cu, the coupling ball being coupled to the electrode pad so that a CuAl2 layer, a CuAl layer, a layer including one of Cu9Al4 and Cu3Al2, and the coupling ball are vertically stacked in this order on the electrode pad, and an encapsulating resin that includes a halogen of less than or equal to 1000 ppm, the encapsulating resin covering at least the electrode pad and a junction between the electrode pad and the coupling ball.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: March 12, 2013
    Assignee: Renesas Electronics Corporation
    Inventors: Takekazu Tanaka, Kouhei Takahashi, Seiji Okabe
  • Patent number: 8334596
    Abstract: A semiconductor device includes an electrode pad provided on a semiconductor chip, in which the electrode pad includes aluminum (Al) as a major constituent and further including copper (Cu), a coupling ball primarily including Cu, the coupling ball is coupled to the electrode pad such that a plurality of layers of Cu and Al alloys are formed at a junction between the electrode pad and the coupling ball, and an encapsulating resin including a halogen of less than or equal to 1000 ppm, the encapsulating resin covering at least the electrode pad and the junction between the electrode pad and the coupling ball. A dimensional area of the plurality of layers of Cu and Al alloys is equal to or larger than 50% of a dimensional area of the junction between the electrode pad and the coupling ball. The plurality of layers of Cu and Al alloys includes a CuAl2 layer, a CuAl layer formed on the CuAl2 layer, and a layer including one of Cu9Al4 and Cu3Al2 formed on the CuAl layer.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: December 18, 2012
    Assignee: Renesas Electronics Corporation
    Inventors: Takekazu Tanaka, Kouhei Takahashi, Seiji Okabe
  • Publication number: 20120306077
    Abstract: A semiconductor device includes an electrode pad provided on a semiconductor chip, the electrode pad includes aluminum (Al) of between 50% wt. and 99.9% wt. and further includes copper (Cu), a coupling ball that primarily includes Cu, the coupling ball being coupled to the electrode pad so that a CuAl2 layer, a CuAl layer, a layer including one of Cu9Al4 and Cu3Al2, and the coupling ball are vertically stacked in this order on the electrode pad, and an encapsulating resin that includes a halogen of less than or equal to 1000 ppm, the encapsulating resin covering at least the electrode pad and a junction between the electrode pad and the coupling ball.
    Type: Application
    Filed: June 22, 2012
    Publication date: December 6, 2012
    Applicant: RENESAS ELECTRONICS CORPORATION
    Inventors: Takekazu Tanaka, Kouhei Takahashi, Seiji Okabe
  • Patent number: 8299620
    Abstract: A semiconductor device and a manufacturing method for preventing mechanical and thermal damage to the semiconductor chip. A laser beam welds a first connection pad formed on a first external lead to a first electrode formed on the surface of the semiconductor chip. A first connection hole is formed in the first connection pad, and the first connection hole overlaps the first connection electrode. A laser beam irradiates an area including the first connection hole, and the first connection pad in a portion around the first connection hole is melted to form a melting section, that is welded to the first connection electrode to easily form a semiconductor device with more excellent electrical characteristics.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: October 30, 2012
    Assignee: Renesas Electronics Corporation
    Inventors: Takekazu Tanaka, Kouhei Takahashi
  • Publication number: 20110241204
    Abstract: A semiconductor device includes an electrode pad provided on a semiconductor chip, in which the electrode pad includes aluminum (Al) as a major constituent and further including copper (Cu), a coupling ball primarily including Cu, the coupling ball is coupled to the electrode pad such that a plurality of layers of Cu and Al alloys are formed at a junction between the electrode pad and the coupling ball, and an encapsulating resin including a halogen of less than or equal to 1000 ppm, the encapsulating resin covering at least the electrode pad and the junction between the electrode pad and the coupling ball. A dimensional area of the plurality of layers of Cu and Al alloys is equal to or larger than 50% of a dimensional area of the junction between the electrode pad and the coupling ball. The plurality of layers of Cu and Al alloys includes a CuAl2 layer, a CuAl layer formed on the CuAl2 layer, and a layer including one of Cu9Al4 and Cu3Al2 formed on the CuAl layer.
    Type: Application
    Filed: April 4, 2011
    Publication date: October 6, 2011
    Applicant: RENESAS ELECTRONICS CORPORATION
    Inventors: Takekazu Tanaka, Kouhei Takahashi, Seiji Okabe
  • Patent number: 7944052
    Abstract: A semiconductor device includes a semiconductor chip, an electrode pad provided in the semiconductor chip, in which the electrode pad includes Al as a major constituent and further includes Cu, a coupling member coupled to the electrode pad, in which the coupling member primarily includes Cu, a plurality of layers of Cu and Al alloys formed between the electrode pad and the coupling member, and an encapsulating resin that includes a halogen of less than or equal to 1000 ppm, in which the encapsulating resin encapsulates the semiconductor chip, the electrode pad, and the coupling member. The plurality of layers of Cu and Al alloys includes a CuAl2 layer formed on the electrode pad, a CuAl layer formed on the CuAl2 layer, and a layer including one of Cu9Al4 and Cu3Al2 formed on the CuAl layer.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: May 17, 2011
    Assignee: Renesas Electronics Corporation
    Inventors: Takekazu Tanaka, Kouhei Takahashi, Seiji Okabe
  • Publication number: 20110062585
    Abstract: A semiconductor device includes a semiconductor chip, an electrode pad provided in the semiconductor chip, in which the electrode pad includes Al as a major constituent and further includes Cu, a coupling member coupled to the electrode pad, in which the coupling member primarily includes Cu, a plurality of layers of Cu and Al alloys formed between the electrode pad and the coupling member, and an encapsulating resin that includes a halogen of less than or equal to 1000 ppm, in which the encapsulating resin encapsulates the semiconductor chip, the electrode pad, and the coupling member. The plurality of layers of Cu and Al alloys includes a CuAl2 layer formed on the electrode pad, a CuAl layer formed on the CuAl2 layer, and a layer including one of Cu9Al4 and Cu3Al2 formed on the CuAl layer.
    Type: Application
    Filed: August 3, 2010
    Publication date: March 17, 2011
    Applicant: NEC ELECTRONICS CORPORATION
    Inventors: Takekazu TANAKA, Kouhei TAKAHASHI, Seiji OKABE
  • Patent number: 7820489
    Abstract: A method of manufacturing a semiconductor apparatus includes forming an electrode on a semiconductor device, forming a conductive bump on the electrode, placing an external wire on the conductive bump, and laser-welding the external wire and the conductive bump to establish electrical connection.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: October 26, 2010
    Assignee: NEC Electronics Corporation
    Inventors: Takekazu Tanaka, Kouhei Takahashi
  • Patent number: 7791198
    Abstract: An improved reliability in a region of a junction between a bonding wire and an electrode pad at higher temperature is achieved. A semiconductor device 100 includes a semiconductor chip 102, AlCu pads 107, which are provided in the semiconductor chip 102 and which contain Al as a major constituent and additionally contain copper (Cu), and CuP wires 111, which function as coupling members for connecting inner leads 117 provided outside of the semiconductor chip 102 with the semiconductor chip 102, and primarily contain Cu. The AlCu pads 107 and the CuP wires 111 are encapsulated with an encapsulating resin 115 that contains substantially no halogen.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: September 7, 2010
    Assignee: NEC Electronics Corporation
    Inventors: Takekazu Tanaka, Kouhei Takahashi, Seiji Okabe
  • Patent number: 7772031
    Abstract: The semiconductor apparatus includes a semiconductor chip, and a source electrode and a gate electrode which are formed on the semiconductor chip and electrically connected with a lead frame. The source electrode is electrically connected with the lead frame by being laser-welded with a thin-film shaped connecting portion formed at an end of the lead frame. This enables the provision of a semiconductor apparatus with enhanced productivity and yields which exhibits high electrical operability and reliability.
    Type: Grant
    Filed: January 8, 2007
    Date of Patent: August 10, 2010
    Assignee: NEC Electronics Corporation
    Inventors: Takekazu Tanaka, Kouhei Takahashi
  • Patent number: 7723837
    Abstract: A technology providing an improvement in the durability in the condition of changing the temperature, while ensuring characteristics such as the applicability to applications utilizing larger electric current, lower resistance and the like can be achieved. A semiconductor device 100 includes a ceramic multiple-layered interconnect substrate 120, a silicon chip 110 that is flip-bonded to a chip-carrying region of the ceramic multiple-layered interconnect substrate 120, and an external connecting bumps 161 and an external connecting bumps 163, which are provided in the side that the silicon chip 110 of the ceramic multiple-layered interconnect substrate 120 is carried. The silicon chip 110 includes a front surface electrode and a back surface electrode.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: May 25, 2010
    Assignee: NEC Electronics Corporation
    Inventors: Takekazu Tanaka, Ikuo Komatsu
  • Patent number: 7550829
    Abstract: A package for an electronic component including a chip mounting area mounting a semiconductor chip in a hollow part of a metal plate and a plurality of connection electrodes to be connected to a substrate. The plurality of connection electrodes are formed in opposite sides of the rectangular metal plate and arranged asymmetrically with respect to a perpendicular bisector of the opposite sides.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: June 23, 2009
    Assignee: NEC Electronics Corporation
    Inventor: Takekazu Tanaka
  • Publication number: 20090008775
    Abstract: A semiconductor device and a manufacturing method for preventing mechanical and thermal damage to the semiconductor chip. A laser beam welds a first connection pad formed on a first external lead to a first electrode formed on the surface of the semiconductor chip. A first connection hole is formed in the first connection pad, and the first connection hole overlaps the first connection electrode. A laser beam irradiates an area including the first connection hole, and the first connection pad in a portion around the first connection hole is melted to form a melting section, that is welded to the first connection electrode to easily form a semiconductor device with more excellent electrical characteristics.
    Type: Application
    Filed: June 27, 2008
    Publication date: January 8, 2009
    Inventors: Takekazu TANAKA, Kouhei TAKAHASHI
  • Patent number: 7449370
    Abstract: In a semiconductor package including at least one plate-like mount, a semiconductor chip has at least one electrode formed on a top surface thereof, and is mounted on the plate-like mount such that a bottom surface of the semiconductor chip is in contact with the plate-like mount. The semiconductor package also includes at least one lead element having an outer portion arranged to be flush with the plate-like mount, and an inner portion deformed and shaped to overhang the semiconductor chip such that an inner end of the lead element is spaced apart from the top surface of the semiconductor chip. The semiconductor package further includes a bonding-wire element bonded at ends thereof to the electrode of the semiconductor chip and the inner end of the lead element, an enveloper sealing and encapsulating the plate-like mount, the semiconductor chip, the inner portion of the lead element, and the bonding-wire element.
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: November 11, 2008
    Assignee: NEC Electronics Corporation
    Inventor: Takekazu Tanaka
  • Publication number: 20080203568
    Abstract: An improved reliability in a region of a junction between a bonding wire and an electrode pad at higher temperature is achieved. A semiconductor device 100 includes a semiconductor chip 102, AlCu pads 107, which are provided in the semiconductor chip 102 and which contain Al as a major constituent and additionally contain copper (Cu), and CuP wires 111, which function as coupling members for connecting inner leads 117 provided outside of the semiconductor chip 102 with the semiconductor chip 102, and primarily contain Cu. The AlCu pads 107 and the CuP wires 111 are encapsulated with an encapsulating resin 115 that contains substantially no halogen.
    Type: Application
    Filed: February 4, 2008
    Publication date: August 28, 2008
    Applicant: NEC ELECTRONICS CORPORATION
    Inventors: Takekazu Tanaka, Kouhei Takahashi, Seiji Okabe
  • Publication number: 20080001265
    Abstract: A package for an electronic component including a chip mounting area mounting a semiconductor chip in a hollow part of a metal plate and a plurality of connection electrodes to be connected to a substrate. The plurality of connection electrodes are formed in opposite sides of the rectangular metal plate and arranged asymmetrically with respect to a perpendicular bisector of the opposite sides.
    Type: Application
    Filed: August 20, 2007
    Publication date: January 3, 2008
    Applicant: NEC ELECTRONICS CORPORATION
    Inventor: Takekazu Tanaka
  • Publication number: 20070249152
    Abstract: A method of manufacturing a semiconductor apparatus includes forming an electrode on a semiconductor device, forming a conductive bump on the electrode, placing an external wire on the conductive bump, and laser-welding the external wire and the conductive bump to establish electrical connection.
    Type: Application
    Filed: March 23, 2007
    Publication date: October 25, 2007
    Inventors: Takekazu Tanaka, Kouhei Takahashi
  • Patent number: 7274090
    Abstract: A package for an electronic component according to one embodiment of the invention has a chip mounting area mounting a semiconductor chip in a hollow part of a metal plate and a plurality of connection electrodes to be connected to a substrate. The plurality of connection electrodes are formed in opposite sides of the rectangular metal plate and arranged asymmetrically with respect to a perpendicular bisector of the opposite sides.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: September 25, 2007
    Assignee: NEC Electronics Corporation
    Inventor: Takekazu Tanaka
  • Publication number: 20070172980
    Abstract: The semiconductor apparatus includes a semiconductor chip, and a source electrode and a gate electrode which are formed on the semiconductor chip and electrically connected with a lead frame. The source electrode is electrically connected with the lead frame by being laser-welded with a thin-film shaped connecting portion formed at an end of the lead frame. This enables the provision of a semiconductor apparatus with enhanced productivity and yields which exhibits high electrical operability and reliability.
    Type: Application
    Filed: January 8, 2007
    Publication date: July 26, 2007
    Inventors: Takekazu Tanaka, Kouhei Takahashi