Patents by Inventor Lek Lam

Lek Lam 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).

  • Automated tray transfer device for prevention of mixing post and pre-test dies, and method of using same
    Publication number: 20060226828
    Abstract: A method of sorting automated tray transfer trays includes detecting if a die remains in the tray. The method includes the ability to interrupt the automated tray transfer process to prevent mixing processed and unprocessed dice. An apparatus includes a sensor for detecting if a die remains in the tray. A sensor includes a protrusion on an automated tray transfer handler.
    Type: Application
    Filed: March 30, 2005
    Publication date: October 12, 2006
    Inventors: Hon Wong, Lek Lam