Patents by Inventor Joe C. Elliott

Joe C. Elliott 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).

  • Patent number: 5213349
    Abstract: An electrostatic chuck for clamping a substrate during manufacture thereof. The chuck has an electrostatic plate and a support therefor. The electrostatic plate has a top surface, which contacts the substrate, and which has an inner coil portion and an outer coil portion for connection to a DC source for forming an electric field. Heat in the substrate is removed by the plate. The plate has a plurality of selectively placed chambers and passages for removing heat by gas circulation therethrough.
    Type: Grant
    Filed: December 18, 1991
    Date of Patent: May 25, 1993
    Inventor: Joe C. Elliott