Patents by Inventor Sup-youl Ju

Sup-youl Ju 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).

  • Nonvolatile memory devices and methods of fabricating the same
    Patent number: 7915118
    Abstract: A nonvolatile memory device may include a semiconductor substrate, a floating gate electrode on the semiconductor substrate that includes an acute-angled tip at an upper end, and a control gate electrode insulated from the floating gate electrode and facing at least a portion of the floating gate electrode, wherein an angle formed between the semiconductor substrate and an upper portion of a lateral surface of the floating gate electrode is smaller than an angle formed between the semiconductor substrate and a lower portion of the lateral surface of the floating gate electrode.
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: March 29, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bong-gil Yang, Jung-sup Uom, Sup-youl Ju, Se-jong Park, Hyun-sug Han
  • Nonvolatile memory devices and methods of fabricating the same
    Publication number: 20080099822
    Abstract: A nonvolatile memory device may include a semiconductor substrate, a floating gate electrode on the semiconductor substrate that includes an acute-angled tip at an upper end, and a control gate electrode insulated from the floating gate electrode and facing at least a portion of the floating gate electrode, wherein an angle formed between the semiconductor substrate and an upper portion of a lateral surface of the floating gate electrode is smaller than an angle formed between the semiconductor substrate and a lower portion of the lateral surface of the floating gate electrode
    Type: Application
    Filed: December 7, 2006
    Publication date: May 1, 2008
    Inventors: Bong-gil Yang, Jung-sup Uom, Sup-youl Ju, Se-jong Park, Hyun-sug Han