Patents by Inventor Joseph Cheung-Sang Tsang

Joseph Cheung-Sang Tsang 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).

  • High temperature transistor with reduced risk of electromigration and differently shaped electrodes
    Patent number: 6164781
    Abstract: Electromigration in the source and drain conductors of a semiconductor device is reduced by increasing the cross-sectional areas of these conductors in accordance with an increase in a magnitude of current, thereby enabling the semiconductor device to operate at high temperatures.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: December 26, 2000
    Assignee: AlliedSignal Inc.
    Inventors: Joseph Cheung-Sang Tsang, John Burt McKitterick