Patents by Inventor Sung-yong CHU

Sung-yong CHU 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).

  • APPARATUS FOR ROTATING A TEST TRAY IN A HANDLER
    Publication number: 20080124202
    Abstract: Provided is an apparatus for rotating a test tray in a handler for handling a packaged chip for a test, including a base frame rotatable by a rotary actuator, a supporting plate slidable in a given direction by a linear actuator, supporting the test tray, a pair of first guiders provided on a lower surface of the supporting plate, slidable in the given direction along with the supporting plate, and a pair of second guiders provided on an upper surface of the base frame, slidable with respect to the pair of the first guiders.
    Type: Application
    Filed: November 26, 2007
    Publication date: May 29, 2008
    Inventors: Sung-yong CHU, Wan-ha Lee