Patents by Inventor Chung S. Han

Chung S. Han 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).

  • Method for the formation of field oxide film in semiconductor device
    Patent number: 5424240
    Abstract: A method for the formation of field oxide film in a semiconductor device is disclosed.
    Type: Grant
    Filed: March 30, 1994
    Date of Patent: June 13, 1995
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventor: Chung S. Han
  • Method for forming a field oxide film of a semiconductor device
    Patent number: 5326715
    Abstract: A method for forming a field oxide film of a semiconductor device capable of minimizing the size of bird's beak and avoiding an occurrence of crystal defect at a semiconductor substrate.
    Type: Grant
    Filed: October 13, 1993
    Date of Patent: July 5, 1994
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventors: Se A. Jang, Kyung M. Lee, Chung S. Han