Patents by Inventor Sung Kun Park

Sung Kun Park 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: 9196377
    Abstract: An anti-fuse type OTP memory cell includes a first active region having a first program region with a first width and a first selection region with a second width that is greater than the first width, a second active region spaced apart from the first active region and having a second program region with a third width and a second selection region with a fourth width that is greater than the third width, a program gate intersecting the first program region and the second program region, a first selection gate intersecting the first selection region, and a second selection gate intersecting the second selection region.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: November 24, 2015
    Assignee: SK Hynix Inc.
    Inventor: Sung Kun Park
  • Publication number: 20150303208
    Abstract: A nonvolatile memory device includes a first active region and a second active region separated from each other; a floating gate crossing the first active region, and disposed such that an end thereof overlaps with the second active region; a selection gate crossing the first active region, and disposed side by side with and coupled to the floating gate; a dielectric layer disposed between the floating gate and the selection gate, wherein a stack of the dielectric layer, the floating gate and the selection gate forms a first capacitor in a horizontal structure; a well region disposed in the second active region and coupled to the floating gate, wherein a stack of the well region and the floating gate forms a second capacitor in a vertical structure; and a contact commonly coupled to the well region and the selection gate.
    Type: Application
    Filed: September 24, 2014
    Publication date: October 22, 2015
    Inventors: Nam Yoon KIM, Sung Kun PARK
  • Patent number: 9166013
    Abstract: A nonvolatile memory device having a plurality of unit cells, each of the plurality of unit cells includes a first transistor suitable for having a fixed threshold voltage, and a second transistor suitable for coupling to the first transistor in parallel and having a variable threshold voltage.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: October 20, 2015
    Assignee: SK Hynix Inc.
    Inventor: Sung-Kun Park
  • Publication number: 20150255472
    Abstract: A nonvolatile memory device includes a floating gate formed over a substrate; a contact plug formed on a first side of the floating gate and disposed parallel to the floating gate with a gap defined therebetween; and a spacer formed on a sidewall of the floating gate and filling the gap, wherein the contact plug and the floating gate have a sufficiently large overlapping area to enable the contact plug to operate as a control gate for the floating gate.
    Type: Application
    Filed: May 26, 2015
    Publication date: September 10, 2015
    Inventor: Sung-Kun PARK
  • Publication number: 20150228343
    Abstract: A non-volatile memory device includes: a floating gate having a plurality of fingers; a first coupling unit including an active control gate which overlaps with the floating gate in a vertical direction; a second coupling unit including a plurality of control plugs which overlap with the floating gate in a horizontal direction; and a control unit which electrically connects the active control gate to the control plugs and controls a bias to be applied to the active control gate.
    Type: Application
    Filed: July 17, 2014
    Publication date: August 13, 2015
    Inventor: Sung-Kun PARK
  • Patent number: 9070781
    Abstract: A nonvolatile memory device includes a floating gate formed over a substrate; a contact plug formed on a first side of the floating gate and disposed parallel to the floating gate with a gap defined therebetween; and a spacer formed on a sidewall of the floating gate and filling the gap, wherein the contact plug and the floating gate have a sufficiently large overlapping area to enable the contact plug to operate as a control gate for the floating gate.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: June 30, 2015
    Assignee: SK HYNIX INC.
    Inventor: Sung-Kun Park
  • Patent number: 9054175
    Abstract: A nonvolatile memory device includes a gate structure including a select gate formed over a substrate and a memory gate formed on one sidewall of the select gate and having a P-type channel, a drain region formed in the substrate at one sidewall of the gate structure and overlapping a part of the memory gate, and a source region formed in the substrate at the other sidewall of the gate structure and overlapping a part of the select gate. The memory gates include a grid of rows and columns with bits of 1's and 0's selectively forming a memory in a nonvolatile memory device.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: June 9, 2015
    Assignee: SK Hynix Inc.
    Inventor: Sung-Kun Park
  • Publication number: 20150145019
    Abstract: A nonvolatile memory device may include: an isolation layer formed in a substrate and defining an active region; a control plug formed over the isolation layer; a floating gate formed over the substrate and including a plurality of fingers adjacent to the control plug with a gap provided therebetween; and a charge blocking layer formed on sidewalls of the floating gate so as to fill the gap. The control plug may include: a first control plug formed between the plurality of fingers and having sidewalls facing inner walls of the fingers; and a second control plug formed outside the floating gate and having sidewalls facing outer walls of the fingers.
    Type: Application
    Filed: February 2, 2015
    Publication date: May 28, 2015
    Inventor: Sung-Kun PARK
  • Publication number: 20150129949
    Abstract: A nonvolatile memory device includes a substrate including a device isolation layer defining an active region, a floating gate and a selection gate arranged side by side at intervals of a first gap over the substrate, a coupling plate formed in the device isolation layer and overlapped with the floating gate, and a contact plug suitable for electrically coupling the coupling plate and the selection gate.
    Type: Application
    Filed: May 22, 2014
    Publication date: May 14, 2015
    Applicant: SK hynix Inc.
    Inventors: Sung-Kun PARK, Jung-Hoon KIM, Nam-Yoon KIM
  • Publication number: 20150069486
    Abstract: A non-volatile memory device includes an isolation layer formed over a substrate to define an active region, a floating gate formed over the substrate, a selection gate formed over the substrate on one side of the floating gate and formed to be adjacent to the floating gate with a first gap from the floating gate, a control plug formed over the isolation layer on the other side of the floating gate and formed to be adjacent to the floating gate with a second gap from the floating gate, and a charge blocking layer formed to gap-fill the first gap and the second gap.
    Type: Application
    Filed: December 19, 2013
    Publication date: March 12, 2015
    Applicant: SK hynix Inc.
    Inventor: Sung-Kun PARK
  • Publication number: 20150054053
    Abstract: A nonvolatile memory device includes a tunneling region and an erase region formed over a substrate, a selection gate formed over the substrate to overlap with the tunneling region, a floating gate formed over the substrate to be disposed adjacent to the selection gate with a gap therebetween and to overlap with the tunneling region and the erase region, and a charge blocking layer filling the gap.
    Type: Application
    Filed: November 5, 2014
    Publication date: February 26, 2015
    Inventors: Sung-Kun PARK, Young-Jun KWON
  • Patent number: 8921915
    Abstract: A nonvolatile memory device includes a multi-finger type control gate formed over a substrate, a multi-finger type floating gate formed over the substrate and disposed close to the control gate with gaps defined therebetween, and spacers formed on sidewalls of the control gate and the floating gate, and filling the gaps.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: December 30, 2014
    Assignee: SK Hynix Inc.
    Inventor: Sung-Kun Park
  • Publication number: 20140367761
    Abstract: A non-volatile memory device may include a control plug formed over a substrate. A floating gate may be formed over the substrate, the floating gate surrounding the control plug and being separated from the control plug by a gap. A first charge blocking layer may be formed over sidewalls of the floating gate to fill the gap.
    Type: Application
    Filed: October 17, 2013
    Publication date: December 18, 2014
    Applicant: SK hynix Inc.
    Inventor: Sung-Kun PARK
  • Publication number: 20140312410
    Abstract: A nonvolatile memory device having a plurality of unit cells, each of the plurality of unit cells includes a first transistor suitable for having a fixed threshold voltage, and a second transistor suitable for coupling to the first transistor in parallel and having a variable threshold voltage.
    Type: Application
    Filed: September 6, 2013
    Publication date: October 23, 2014
    Applicant: SK hynix Inc.
    Inventor: Sung-Kun PARK
  • Publication number: 20140312960
    Abstract: A substrate including a plurality of transistors, and a piezoelectric formed to be contacted with the substrate. The piezoelectric is formed heat-expendably in a direction parallel to a gate direction of the transistors.
    Type: Application
    Filed: September 4, 2013
    Publication date: October 23, 2014
    Applicant: SK hynix Inc.
    Inventor: Sung-Kun PARK
  • Publication number: 20140312405
    Abstract: A nonvolatile memory device includes a multi-finger type control gate formed over a substrate, a multi-finger type floating gate formed over the substrate and disposed close to the control gate with gaps defined therebetween, and spacers formed on sidewalls of the control gate and the floating gate, and filling the gaps.
    Type: Application
    Filed: August 7, 2013
    Publication date: October 23, 2014
    Applicant: SK hynix Inc.
    Inventor: Sung-Kun PARK
  • Publication number: 20140299930
    Abstract: A nonvolatile memory device includes a gate structure including a select gate formed over a substrate and a memory gate formed on one sidewall of the select gate and having a P-type channel, a drain region formed in the substrate at one sidewall of the gate structure and overlapping a part of the memory gate, and a source region formed in the substrate at the other sidewall of the gate structure and overlapping a part of the select gate. The memory gates include a grid of rows and columns with bits of 1's and 0's selectively forming a memory in a nonvolatile memory device.
    Type: Application
    Filed: July 30, 2013
    Publication date: October 9, 2014
    Applicant: SK hynix Inc.
    Inventor: Sung-Kun PARK
  • Publication number: 20140293709
    Abstract: A cell array portion of a single-layer gate EEPROM device includes a plurality of unit cells formed over a substrate to share a first well region in the substrate. Each of the plurality of unit cells includes a floating gate having a first part disposed over the first well region and a second part extending from the first part to have a strip shape, a selection gate spaced apart from the floating gate and disposed to be parallel with the second part of the floating gate, and an active region disposed in the substrate to intersect the floating gate and the selection gate.
    Type: Application
    Filed: February 4, 2014
    Publication date: October 2, 2014
    Applicant: SK HYNIX INC.
    Inventors: Young Joon KWON, Sung Kun PARK
  • Patent number: 8809991
    Abstract: Semiconductor devices having a bipolar transistor, a CMOS transistor, a drain extension MOS transistor and a double diffused MOS transistor are provided. The semiconductor device includes a semiconductor substrate including a logic region in which a logic device is formed and a high voltage region in which a high power device is formed, trenches in the semiconductor substrate, isolation layers in respective ones of the trenches, and at least one field insulation layer disposed at a surface of the semiconductor substrate in the high voltage region. Related methods are also provided.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: August 19, 2014
    Assignee: SK Hynix Inc.
    Inventor: Sung Kun Park
  • Publication number: 20140175529
    Abstract: A nonvolatile memory device includes a floating gate formed over a substrate; a contact plug formed on a first side of the floating gate and disposed parallel to the floating gate with a gap defined therebetween; and a spacer formed on a sidewall of the floating gate and filling the gap, wherein the contact plug and the floating gate have a sufficiently large overlapping area to enable the contact plug to operate as a control gate for the floating gate.
    Type: Application
    Filed: April 30, 2013
    Publication date: June 26, 2014
    Applicant: SK hynix Inc.
    Inventor: Sung-Kun PARK