Patents by Inventor Tung-Huan Lai

Tung-Huan Lai 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).

  • AUTOMATIC PHOTOMASK TRACKING SYSTEM AND METHOD
    Publication number: 20080269945
    Abstract: An automatic photomask tracking system is disclosed in the present invention. The automatic photomask tracking system is used in a photomask handling system. The photomask handling system includes photomask pods and photomask handling apparatuses. The photomask tracking system includes a control terminal; at least one RFID tag on the photomask pod and at least one RFID reader on the photomask apparatus. All the record of photomask handling process is stored in the control terminal. The present invention further provides a photomask tracking method.
    Type: Application
    Filed: April 17, 2008
    Publication date: October 30, 2008
    Inventors: Tung-Huan Lai, Kang-Ning Hsieh