Patents by Inventor Wong-sik S. Ho

Wong-sik S. Ho 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).

  • Sputtering method
    Patent number: 5047394
    Abstract: Combination of a flattened cathode in a cylindrical magnetron sputtering system and positioning of a substrate relatively close to the flattened cathode allows deposition of a uniform film having good composition. The system and method of the present invention is especially suitable for depositing films using YBCO and BCSCO targets.
    Type: Grant
    Filed: September 12, 1989
    Date of Patent: September 10, 1991
    Assignee: University of Houston System
    Inventors: John C. Wolfe, Yat-lung R. Chau, Wong-sik S. Ho