Patents by Inventor Yoshihiko Shimanuki

Yoshihiko Shimanuki 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: 10515934
    Abstract: A semiconductor device including a package substrate having, at the periphery of the main surface thereof, bonding leads disposed in a row, a semiconductor chip mounted inside of the row of the bonding leads on the main surface of the package substrate, wires for connecting pads of the semiconductor chip and the bonding leads of the substrate, a sealing body for resin sealing the semiconductor chip and the wires, and solder bumps disposed on the back surface of the package substrate. The top of a loop of each of the wires is disposed outside the wire connecting portion so that the wire connection between the bonding leads and the pads of the semiconductor chip has a stable loop shape to prevent wire connection failure.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: December 24, 2019
    Assignee: Renesas Electronics Corporation
    Inventor: Yoshihiko Shimanuki
  • Patent number: 10090237
    Abstract: A semiconductor device includes a die pad, a semiconductor chip with a bonding pad being formed, a lead one end of which is located in the vicinity of the semiconductor chip, a coupling wire that connects an electrode and the lead, and a sealing body that seals the semiconductor chip, the coupling wire, a part of the lead, and a part of the die pad. A lower surface of the die pad is exposed from a lower surface of the sealing body, the die pad and the coupling wire are comprised of copper, and a thickness of the semiconductor chip is larger than the sum of a thickness of the die pad and a thickness from an upper surface of the semiconductor chip to an upper surface of the sealing body.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: October 2, 2018
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Yoshihiko Shimanuki
  • Publication number: 20180277522
    Abstract: A semiconductor device including a package substrate having, at the periphery of the main surface thereof, bonding leads disposed in a row, a semiconductor chip mounted inside of the row of the bonding leads on the main surface of the package substrate, wires for connecting pads of the semiconductor chip and the bonding leads of the substrate, a sealing body for resin sealing the semiconductor chip and the wires, and solder bumps disposed on the back surface of the package substrate. The top of a loop of each of the wires is disposed outside the wire connecting portion so that the wire connection between the bonding leads and the pads of the semiconductor chip has a stable loop shape to prevent wire connection failure.
    Type: Application
    Filed: May 28, 2018
    Publication date: September 27, 2018
    Inventor: Yoshihiko Shimanuki
  • Patent number: 9991229
    Abstract: A semiconductor device including a package substrate having, at the periphery of the main surface thereof, bonding leads disposed in a row, a semiconductor chip mounted inside of the row of the bonding leads on the main surface of the package substrate, wires for connecting pads of the semiconductor chip and the bonding leads of the substrate, a sealing body for resin sealing the semiconductor chip and the wires, and solder bumps disposed on the back surface of the package substrate. The top of a loop of each of the wires is disposed outside the wire connecting portion so that the wire connection between the bonding leads and the pads of the semiconductor chip has a stable loop shape to prevent wire connection failure.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: June 5, 2018
    Assignee: Renesas Electronics Corporation
    Inventor: Yoshihiko Shimanuki
  • Publication number: 20180040552
    Abstract: A semiconductor device includes a die pad, a semiconductor chip with a bonding pad being formed, a lead one end of which is located in the vicinity of the semiconductor chip, a coupling wire that connects an electrode and the lead, and a sealing body that seals the semiconductor chip, the coupling wire, a part of the lead, and a part of the die pad. A lower surface of the die pad is exposed from a lower surface of the sealing body, the die pad and the coupling wire are comprised of copper, and a thickness of the semiconductor chip is larger than the sum of a thickness of the die pad and a thickness from an upper surface of the semiconductor chip to an upper surface of the sealing body.
    Type: Application
    Filed: October 6, 2017
    Publication date: February 8, 2018
    Inventor: Yoshihiko SHIMANUKI
  • Patent number: 9831129
    Abstract: A semiconductor device manufacturing method which improves working efficiency. The method includes the step of transporting by air a package as a sealed moisture-proof bag which contains a case housing a semiconductor wafer laminate, in which the semiconductor wafer laminate has a plurality of semiconductor wafers stacked with a protective sheet interposed between semiconductor wafers. In order to facilitate separation of the protective sheet from the semiconductor wafers after unpacking the package, the protective sheet has a plurality of convex parts, a plurality of concave parts, and a flat part between a convex part and a concave part. A hole penetrating the protective sheet is made in each convex part and the center of the hole is located off the apex of the convex part.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: November 28, 2017
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Yoshihiko Shimanuki
  • Patent number: 9812388
    Abstract: A semiconductor device includes a die pad, a semiconductor chip with a bonding pad being formed, a lead one end of which is located in the vicinity of the semiconductor chip, a coupling wire that connects an electrode and the lead, and a sealing body that seals the semiconductor chip, the coupling wire, a part of the lead, and a part of the die pad. A lower surface of the die pad is exposed from a lower surface of the sealing body, the die pad and the coupling wire are comprised of copper, and a thickness of the semiconductor chip is larger than the sum of a thickness of the die pad and a thickness from an upper surface of the semiconductor chip to an upper surface of the sealing body.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: November 7, 2017
    Assignee: Renesas Electronics Corporation
    Inventor: Yoshihiko Shimanuki
  • Publication number: 20170287783
    Abstract: A semiconductor device manufacturing method which improves working efficiency. The method includes the step of transporting by air a package as a sealed moisture-proof bag which contains a case housing a semiconductor wafer laminate, in which the semiconductor wafer laminate has a plurality of semiconductor wafers stacked with a protective sheet interposed between semiconductor wafers. In order to facilitate separation of the protective sheet from the semiconductor wafers after unpacking the package, the protective sheet has a plurality of convex parts, a plurality of concave parts, and a flat part between a convex part and a concave part. A hole penetrating the protective sheet is made in each convex part and the center of the hole is located off the apex of the convex part.
    Type: Application
    Filed: January 26, 2017
    Publication date: October 5, 2017
    Inventor: Yoshihiko SHIMANUKI
  • Publication number: 20170213788
    Abstract: A semiconductor device includes a die pad, a semiconductor chip with a bonding pad being formed, a lead one end of which is located in the vicinity of the semiconductor chip, a coupling wire that connects an electrode and the lead, and a sealing body that seals the semiconductor chip, the coupling wire, a part of the lead, and a part of the die pad. A lower surface of the die pad is exposed from a lower surface of the sealing body, the die pad and the coupling wire are comprised of copper, and a thickness of the semiconductor chip is larger than the sum of a thickness of the die pad and a thickness from an upper surface of the semiconductor chip to an upper surface of the sealing body.
    Type: Application
    Filed: November 22, 2016
    Publication date: July 27, 2017
    Inventor: Yoshihiko SHIMANUKI
  • Patent number: 9484288
    Abstract: The semiconductor device includes a tab including a chip supporting surface, and a back surface opposite to the chip supporting surface; a plurality of suspension leads supporting the tab; a plurality of leads arranged between the suspension leads; a semiconductor chip mounted on the chip supporting surface of the tab, the semiconductor chip including a main surface, a plurality of pads formed on the main surface, and a rear surface opposite to the main surface; a seal portion sealing the semiconductor chip such that a part of each of the leads is exposed from the seal portion; and a Pb-free solder formed on the part of each of the leads. A part of the rear surface of the semiconductor chip is contacted with the seal portion.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: November 1, 2016
    Assignees: Renesas Technology Corporation, Renesas Semiconductor Package & Test Solutions Co., Ltd.
    Inventor: Yoshihiko Shimanuki
  • Publication number: 20160276253
    Abstract: The semiconductor device includes a tab including a chip supporting surface, and a back surface opposite to the chip supporting surface; a plurality of suspension leads supporting the tab; a plurality of leads arranged between the suspension leads; a semiconductor chip mounted on the chip supporting surface of the tab, the semiconductor chip including a main surface, a plurality of pads formed on the main surface, and a rear surface opposite to the main surface; a seal portion sealing the semiconductor chip such that a part of each of the leads is exposed from the seal portion; and a Pb-free solder formed on the part of each of the leads. A part of the rear surface of the semiconductor chip is contacted with the seal portion.
    Type: Application
    Filed: May 27, 2016
    Publication date: September 22, 2016
    Inventor: Yoshihiko Shimanuki
  • Publication number: 20150348944
    Abstract: Wire connection failure in semiconductor device is prevented. A semiconductor device has a package substrate having, at the periphery of the main surface thereof, a plurality of bonding leads disposed in a row, a semiconductor chip mounted inside of the row of the bonding leads on the main surface of the package substrate, wires for connecting pads of the semiconductor chip and the bonding leads of the substrate, a sealing body for resin sealing the semiconductor chip and the plurality of wires, and a plurality of solder bumps disposed on the back surface of the package substrate. The top of the loop of each of the wires is disposed outside the wire connecting portion so that the wire length wire can be increased in the connection between the bonding leads and the pads of the semiconductor chip. As a result, the wires have a stable loop shape and a wire connection failure can be prevented.
    Type: Application
    Filed: August 6, 2015
    Publication date: December 3, 2015
    Inventor: Yoshihiko Shimanuki
  • Publication number: 20150228558
    Abstract: The semiconductor device includes a tab including a chip supporting surface, and a back surface opposite to the chip supporting surface; a plurality of suspension leads supporting the tab; a plurality of leads arranged between the suspension leads; a semiconductor chip mounted on the chip supporting surface of the tab, the semiconductor chip including a main surface, a plurality of pads formed on the main surface, and a rear surface opposite to the main surface; a seal portion sealing the semiconductor chip such that a part of each of the leads is exposed from the seal portion; and a Pb-free solder formed on the part of each of the leads. A part of the rear surface of the semiconductor chip is contacted with the seal portion.
    Type: Application
    Filed: February 16, 2015
    Publication date: August 13, 2015
    Inventor: Yoshihiko Shimanuki
  • Patent number: 8969138
    Abstract: The semiconductor device includes a tab including a chip supporting surface, and a back surface opposite to the chip supporting surface; a plurality of suspension leads supporting the tab; a plurality of leads arranged between the suspension leads; a semiconductor chip mounted on the chip supporting surface of the tab, the semiconductor chip including a main surface, a plurality of pads formed on the main surface, and a rear surface opposite to the main surface; a seal portion sealing the semiconductor chip such that a part of each of the leads is exposed from the seal portion; and a Pb-free solder formed on the part of each of the leads. A part of the rear surface of the semiconductor chip is contacted with the seal portion.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: March 3, 2015
    Assignee: Renesas Electronics Corporation
    Inventor: Yoshihiko Shimanuki
  • Publication number: 20140106509
    Abstract: The semiconductor device includes a tab including a chip supporting surface, and a back surface opposite to the chip supporting surface; a plurality of suspension leads supporting the tab; a plurality of leads arranged between the suspension leads; a semiconductor chip mounted on the chip supporting surface of the tab, the semiconductor chip including a main surface, a plurality of pads formed on the main surface, and a rear surface opposite to the main surface; a seal portion sealing the semiconductor chip such that a part of each of the leads is exposed from the seal portion; and a Pb-free solder formed on the part of each of the leads. A part of the rear surface of the semiconductor chip is contacted with the seal portion.
    Type: Application
    Filed: December 17, 2013
    Publication date: April 17, 2014
    Applicants: HITACHI YONEZAWA ELECTRONICS CO., LTD., RENESAS ELECTRONICS CORPORATION
    Inventor: Yoshihiko Shimanuki
  • Patent number: 8637965
    Abstract: The semiconductor device includes a tab including a chip supporting surface, and a back surface opposite to the chip supporting surface; a plurality of suspension leads supporting the tab; a plurality of leads arranged between the suspension leads; a semiconductor chip mounted on the chip supporting surface of the tab, the semiconductor chip including a main surface, a plurality of pads formed on the main surface, and a rear surface opposite to the main surface; a seal portion sealing the semiconductor chip such that a part of each of the leads is exposed from the seal portion; and a Pb-free solder formed on the part of each of the leads. A part of the rear surface of the semiconductor chip is contacted with the seal portion.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: January 28, 2014
    Assignees: Renesas Electronics Corporation, Hitachi Yonezawa Electronics Co., Ltd
    Inventor: Yoshihiko Shimanuki
  • Patent number: 8390133
    Abstract: There are constituted by a tab on which a semiconductor chip is mounted, a sealing portion formed by resin-sealing the semiconductor chip, a plurality of leads each having a mounted surface exposed to a peripheral portion of a rear surface of the sealing portion and a sealing-portion forming surface disposed on an opposite side thereto, and a wire for connecting a pad of the semiconductor chip and a lead, wherein the length between inner ends of the sealing-portion forming surfaces of the leads disposed so as to oppose to each other is formed to be larger than the length between inner ends of the mounted surfaces. Thereby, a chip mounting region surrounded by the inner end of the sealing-portion forming surface of each lead can be expanded and the size of the mountable chip is increased.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: March 5, 2013
    Assignee: Renesas Electronics Corporation
    Inventors: Yoshihiko Shimanuki, Yoshihiro Suzuki, Koji Tsuchiya
  • Publication number: 20130001804
    Abstract: There are constituted by a tab on which a semiconductor chip is mounted, a sealing portion formed by resin-sealing the semiconductor chip, a plurality of leads each having a mounted surface exposed to a peripheral portion of a rear surface of the sealing portion and a sealing-portion forming surface disposed on an opposite side thereto, and a wire for connecting a pad of the semiconductor chip and a lead, wherein the length between inner ends of the sealing-portion forming surfaces of the leads disposed so as to oppose to each other is formed to be larger than the length between inner ends of the mounted surfaces. Thereby, a chip mounting region surrounded by the inner end of the sealing-portion forming surface of each lead can be expanded and the size of the mountable chip is increased.
    Type: Application
    Filed: June 27, 2012
    Publication date: January 3, 2013
    Inventors: YOSHIHIKO SHIMANUKI, Yoshihiro Suzuki, Koji Tsuchiya
  • Patent number: 8222720
    Abstract: There are constituted by a tab (1b) on which a semiconductor chip (2) is mounted, a sealing portion (3) formed by resin-sealing the semiconductor chip (2), a plurality of leads (1a) each having a mounted surface (1d) exposed to a peripheral portion of a rear surface (3a) of the sealing portion (3) and a sealing-portion forming surface (1g) disposed on an opposite side thereto, and a wire (4) for connecting a pad (2a) of the semiconductor chip (2) and a lead (1a), wherein the length (M) between inner ends (1h) of the sealing-portion forming surfaces (1g) of the leads (1a) disposed so as to oppose to each other is formed to be larger than the length (L) between inner ends (1h) of the mounted surfaces (1d). Thereby, a chip mounting region surrounded by the inner end (1h) of the sealing-portion forming surface (1g) of each lead (1a) can be expanded and the size of the mountable chip is increased.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: July 17, 2012
    Assignee: Renesas Electronics Corporation
    Inventors: Yoshihiko Shimanuki, Yoshihiro Suzuki, Koji Tsuchiya
  • Publication number: 20120146228
    Abstract: The semiconductor device includes a tab including a chip supporting surface, and a back surface opposite to the chip supporting surface; a plurality of suspension leads supporting the tab; a plurality of leads arranged between the suspension leads; a semiconductor chip mounted on the chip supporting surface of the tab, the semiconductor chip including a main surface, a plurality of pads formed on the main surface, and a rear surface opposite to the main surface; a seal portion sealing the semiconductor chip such that a part of each of the leads is exposed from the seal portion; and a Pb-free solder formed on the part of each of the leads. A part of the rear surface of the semiconductor chip is contacted with the seal portion.
    Type: Application
    Filed: January 24, 2012
    Publication date: June 14, 2012
    Applicants: HITACHI YONEZAWA ELECTRONICS CO., LTD., RENESAS ELECTRONICS CORPORATION
    Inventor: Yoshihiko Shimanuki