Patents by Inventor Robert F. Kwansnick

Robert F. Kwansnick 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).

  • Photosensitive element with two layer passivation coating
    Patent number: 5233181
    Abstract: A photosensitive element has a two tier passivation layer disposed between the top contact layer and the amorphous silicon photosensor island. The passivation layer includes an inorganic moisture barrier layer which is disposed at least over the sidewalls of the photosensor island. The inorganic material forming this layer is preferably silicon nitride or silicon oxide. An organic dielectric layer is disposed over the moisture barrier layer and the photosensor island except for a selected contact area on the top surface of the photosensor island where the top contact layer is in electrical contact with the amorphous silicon material of the photosensor island. The organic dielectric material is preferably a polyimide.
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: August 3, 1993
    Assignee: General Electric Company
    Inventors: Robert F. Kwansnick, Jack D. Kingsley