Patents by Inventor Stephen G. L. Chen

Stephen G. L. Chen 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).

  • Polyimide capacitive humidity sensing element
    Patent number: 4761710
    Abstract: The present invention relates to a humidity sensing element having a polyimide moisture sensing film. It is of a capacitive structure containing, without the use of adhesives, a polyimide film which is either sandwiched between a corrosion resisting metal substrate and a thin moisture permeable gold layer, or vapor deposited on both sides thereof with a moisture permeable thin gold layer.
    Type: Grant
    Filed: June 23, 1987
    Date of Patent: August 2, 1988
    Assignee: Industrial Technology Research Institute
    Inventor: Stephen G. L. Chen