Patents by Inventor Gung Chern

Gung Chern 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).

  • Ultrathin ferromagnetic/antiferromagnetic coupling film structure and fabrication method thereof
    Patent number: 7897200
    Abstract: The present invention provides a ferromagnetic/antiferromagnetic coupling film structure and a fabrication method thereof. The structure includes an antiferromagnetic layer of cobalt oxide having a thickness of 2 to 15 monolayers and formed on a substrate at a temperature ranging from 700K to 900K; and a ferromagnetic layer of cobalt having a thickness of at least one monolayer for being formed on the antiferromagnetic layer of cobalt oxide.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: March 1, 2011
    Assignee: National Chung Cheng University
    Inventors: Jyh-Shen Tsay, Chi-Wei Lee, Gung Chern
  • ULTRATHIN FERROMAGNETIC/ANTIFERROMAGNETIC COUPLING FILM STRUCTURE AND FABRICATION METHOD THEREOF
    Publication number: 20090117355
    Abstract: The present invention provides a ferromagnetic/antiferromagnetic coupling film structure and a fabrication method thereof. The structure includes an antiferromagnetic layer of cobalt oxide having a thickness of 2 to 15 monolayers and formed on a substrate at a temperature ranging from 700K to 900K; and a ferromagnetic layer of cobalt having a thickness of at least one monolayer for being formed on the antiferromagnetic layer of cobalt oxide.
    Type: Application
    Filed: July 31, 2008
    Publication date: May 7, 2009
    Inventors: Jyh-Shen Tsay, Chi-Wei Lee, Gung Chern