Patents by Inventor Preeyaporn Phakdee

Preeyaporn Phakdee 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).

  • Publication number: 20090001573
    Abstract: An invention providing improvement in integrity testing of wire bonds between an IC die and a BGA substrate. The invention includes a BGA integrated circuit package comprising: 1) a BGA substrate having conducting bond fingers and a grounded feature on a first side thereof; 2) an IC die electrically connected to the conducting bond fingers with wire bonds; the BGA substrate configured to be formed into a singulated unit with the IC die; wherein the BGA substrate does not have direct electrical connection on the first side thereof between the bond fingers and the grounded feature; 4) the BGA substrate including an indirect electrical connection pathway from each wire bond to the grounded feature that enables electrical integrity testing for the wire bonds; the indirect electrical connection pathway configured so that at least a portion of each indirect electrical connection pathway is not present on the singulated unit.
    Type: Application
    Filed: January 8, 2007
    Publication date: January 1, 2009
    Inventors: Phontara Jirawongsapiwat, Preeyaporn Phakdee