Patents by Inventor Jeong-Seob OH

Jeong-Seob OH 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: 10319736
    Abstract: The present disclosure relates to a semiconductor device including a stress control insulating layer or a stress control pattern to control a stress applied to an interlayer insulating layer or a stacked body in a desirable direction.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: June 11, 2019
    Assignee: SK hynix Inc.
    Inventors: Jeong Seob Oh, Dong Hyoub Kim
  • Publication number: 20180053780
    Abstract: The present disclosure relates to a semiconductor device including a stress control insulating layer or a stress control pattern to control a stress applied to an interlayer insulating layer or a stacked body in a desirable direction.
    Type: Application
    Filed: May 31, 2017
    Publication date: February 22, 2018
    Inventors: Jeong Seob OH, Dong Hyoub KIM
  • Patent number: 9543313
    Abstract: A nonvolatile memory device includes: a channel layer protruding perpendicular to a surface of a substrate; a tunnel insulation layer formed on a surface of the channel layer; a stack structure, in which a plurality of floating gate electrodes and a plurality of control gate electrodes are alternately formed along the channel layer; and a charge blocking layer interposed between each floating gate electrode, of the plurality of floating gate electrodes, and each control gate electrode of the plurality of control gate electrodes, wherein the floating gate electrode includes a first floating gate electrode between two control gate electrodes and a second floating gate electrode positioned in the lowermost and uppermost parts of the stack structure and having a smaller width in a direction parallel to the substrate than the first floating gate electrode.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: January 10, 2017
    Assignee: SK Hynix Inc.
    Inventors: Young-Soo Ahn, Jeong-Seob Oh
  • Publication number: 20150214240
    Abstract: A nonvolatile memory device includes: a channel layer protruding perpendicular to a surface of a substrate; a tunnel insulation layer formed on a surface of the channel layer; a stack structure, in which a plurality of floating gate electrodes and a plurality of control gate electrodes are alternately formed along the channel layer; and a charge blocking layer interposed between each floating gate electrode, of the plurality of floating gate electrodes, and each control gate electrode of the plurality of control gate electrodes, wherein the floating gate electrode includes a first floating gate electrode between two control gate electrodes and a second floating gate electrode positioned in the lowermost and uppermost parts of the stack structure and having a smaller width in a direction parallel to the substrate than the first floating gate electrode.
    Type: Application
    Filed: April 7, 2015
    Publication date: July 30, 2015
    Inventors: Young-Soo AHN, Jeong-Seob OH
  • Publication number: 20150179498
    Abstract: A nonvolatile memory device includes gate structures formed over a substrate, each gate structure including a tunnel insulating layer, a floating gate, an inter-gate dielectric layer, and a control gate that are sequentially stacked, a protective layer formed on sidewalls of the floating gate, and a second insulating layer covering the gate structures and having an air gap formed between the gate structures, wherein an adhesive strength between the second insulating layer and the protective layer is smaller than an adhesive strength between the second insulating layer and the gate structure.
    Type: Application
    Filed: March 6, 2015
    Publication date: June 25, 2015
    Inventor: Jeong-Seob OH
  • Patent number: 9024372
    Abstract: A nonvolatile memory device includes: a channel layer protruding perpendicular to a surface of a substrate; a tunnel insulation layer formed on a surface of the channel layer; a stack structure, in which a plurality of floating gate electrodes and a plurality of control gate electrodes are alternately formed along the channel layer; and a charge blocking layer interposed between each floating gate electrode, of the plurality of floating gate electrodes, and each control gate electrode of the plurality of control gate electrodes, wherein the floating gate electrode includes a first floating gate electrode between two control gate electrodes and a second floating gate electrode positioned in the lowermost and uppermost parts of the stack structure and having a smaller width in a direction parallel to the substrate than the first floating gate electrode.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: May 5, 2015
    Assignee: SK Hynix Inc.
    Inventors: Young-Soo Ahn, Jeong-Seob Oh
  • Patent number: 9006813
    Abstract: A nonvolatile memory device includes gate structures formed over a substrate, each gate structure including a tunnel insulating layer, a floating gate, an inter-gate dielectric layer, and a control gate that are sequentially stacked, a protective layer formed on sidewalls of the floating gate, and a second insulating layer covering the gate structures and having an air gap formed between the gate structures, wherein an adhesive strength between the second insulating layer and the protective layer is smaller than an adhesive strength between the second insulating layer and the gate structure.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: April 14, 2015
    Assignee: SK Hynix Inc.
    Inventor: Jeong-Seob Oh
  • Publication number: 20140061755
    Abstract: A nonvolatile memory device includes gate structures formed over a substrate, each gate structure including a tunnel insulating layer, a floating gate, an inter-gate dielectric layer, and a control gate that are sequentially stacked, a protective layer formed on sidewalls of the floating gate, and a second insulating layer covering the gate structures and having an air gap formed between the gate structures, wherein an adhesive strength between the second insulating layer and the protective layer is smaller than an adhesive strength between the second insulating layer and the gate structure.
    Type: Application
    Filed: December 18, 2012
    Publication date: March 6, 2014
    Applicant: SK HYNIX INC.
    Inventor: Jeong-Seob OH
  • Publication number: 20130307050
    Abstract: A nonvolatile memory device includes: a channel layer protruding perpendicular to a surface of a substrate; a tunnel insulation layer formed on a surface of the channel layer; a stack structure, in which a plurality of floating gate electrodes and a plurality of control gate electrodes are alternately formed along the channel layer; and a charge blocking layer interposed between each floating gate electrode, of the plurality of floating gate electrodes, and each control gate electrode of the plurality of control gate electrodes, wherein the floating gate electrode includes a first floating gate electrode between two control gate electrodes and a second floating gate electrode positioned in the lowermost and uppermost parts of the stack structure and having a smaller width in a direction parallel to the substrate than the first floating gate electrode.
    Type: Application
    Filed: September 10, 2012
    Publication date: November 21, 2013
    Inventors: Young-Soo AHN, Jeong-Seob OH
  • Publication number: 20130161783
    Abstract: A semiconductor device includes an isolation trench formed in a semiconductor substrate; an isolation layer filling the isolation trench; and a first epitaxial layer interposed between the isolation layer and the semiconductor substrate, wherein a lattice structure of the semiconductor substrate has an angle difference from a lattice structure of the first epitaxial layer adjacent to the semiconductor substrate.
    Type: Application
    Filed: September 6, 2012
    Publication date: June 27, 2013
    Inventors: Jeong-Seob OH, Young-Soo Ahn