Patents by Inventor Wipawan Wongdao

Wipawan Wongdao 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).

  • Correlation standard for calibrating a scanning electron microscope
    Patent number: 8596107
    Abstract: A correlation standard for calibrating a scanning electron microscope is provided. The correlation standard comprises a pellet and a metal stub. The pellet comprises a compressed mixture of carbon powder and alumina powder. The pellet is attached to the metal stub with a conductive adhesive.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: December 3, 2013
    Assignee: Western Digital Technologies, Inc.
    Inventors: Wipawan Wongdao, Yongyut Wongbunnak