Patents by Inventor Chung-Ta Tseng

Chung-Ta Tseng 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).

  • Process for making surface mountable electrical devices
    Patent number: 6576492
    Abstract: A process for making surface mountable electrical devices includes the steps of laminating two PTC sheets, two inner metal foil sheets, and two outer metal foil sheets to form a laminate such that the inner metal foil sheets are sandwiched between the PTC sheets and overlap each other and that the PTC sheets are bonded to each other, forming patterns of slits in the outer metal foil sheets, forming bores in the laminate along cutting lines, forming conductive transverse layers in interiors of the bores, and cutting the laminate along the cutting lines.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: June 10, 2003
    Assignee: Fuzetec Technology Co., Ltd.
    Inventors: Jack Jih-Sang Chen, Chung-Ta Tseng, Chi-Hao Gu