Patents by Inventor Frederick Chi Kan Au

Frederick Chi Kan Au 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 growing beta-silicon carbide nanorods, and preparation of patterned field-emitters by chemical vapor depositon (CVD)
    Patent number: 6221154
    Abstract: A method and an apparatus have been developed to grow beta-silicon carbide nanorods, and prepare patterned field-emitters using different kinds of chemical vapor deposition methods. The apparatus includes graphite powder as the carbon source, and silicon powder as silicon sources. Metal powders (Fe, Cr and/or Ni) are used as catalyst. Hydrogen was the only feeding gas to the system.
    Type: Grant
    Filed: February 18, 1999
    Date of Patent: April 24, 2001
    Assignee: City University of Hong Kong
    Inventors: Shuit-tong Lee, Chun-Sing Lee, Ning Wang, Igor Bello, Carol Hau Ling Lai, Xing Tai Zhou, Frederick Chi Kan Au