Patents by Inventor Euhn-Gi Lee

Euhn-Gi Lee 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).

  • Semiconductor memory device and method of manufacturing the same
    Patent number: 7507624
    Abstract: A method of manufacturing a semiconductor memory device is provided. The method includes: providing a semiconductor substrate, forming a cell transistor on the semiconductor substrate, and forming a SiON layer with a refractive index of about 1.8 or less on the cell transistor.
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: March 24, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Euhn-Gi Lee, Bong-Jun Jang, Sung-Woon Yun
  • Semiconductor memory device and method of manufacturing the same
    Publication number: 20060258099
    Abstract: A method of manufacturing a semiconductor memory device is provided. The method includes: providing a semiconductor substrate, forming a cell transistor on the semiconductor substrate, and forming a SiON layer with a refractive index of about 1.8 or less on the cell transistor.
    Type: Application
    Filed: May 11, 2006
    Publication date: November 16, 2006
    Inventors: Euhn-Gi Lee, Bong-Jun Jang, Sung-Woon Yun