Patents by Inventor Tomson Wu

Tomson Wu 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).

  • Wafer level probe card
    Publication number: 20020121911
    Abstract: The present invention comprises a probe card having a cavity formed on the lower surface of the probe card. A buffer is formed in the cavity to act as cushion and a flexible circuit board is attached on the probe card surface that faces to the testing object. A probe is formed on the flexible circuit board, insulation material is formed on the flexible circuit board to fix the probe. Conductive material is coated on the probe to enhance the strength of the probe.
    Type: Application
    Filed: June 11, 2001
    Publication date: September 5, 2002
    Inventors: Wen-Kun Yang, David Wang, Chien Jen Tung, Tomson Wu