Patents by Inventor Darrell Stoddard

Darrell Stoddard 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).

  • Thin film artwork compounds
    Patent number: 5011569
    Abstract: A graphic artwork includes a thin film coating layer thereon which includes a copper oxide which is substantially opaque to ultraviolet light and partially transmissive to visible light and suitable for printing circuiting on a printed circuit board or for other graphic artwork. In the case where the thin film compound includes unoxidized copper, etching thereof to achieve a predetermined pattern on the graphic artwork is facilitated by using a mixture of ammonium chloride and hydrogen peroxide.
    Type: Grant
    Filed: January 24, 1990
    Date of Patent: April 30, 1991
    Assignee: Andus Corporation
    Inventors: Wilfred C. Kittler, Jr., Janos Czukor, Darrell Stoddard
  • Thin film artwork compounds
    Patent number: 4940627
    Abstract: A graphic artwork includes a thin film coating layer thereon which includes a copper oxide which is substantially opaque to ultraviolet light and partially transmissive to visible light and suitable for printing circuiting on a printed circuit board or for other graphic artwork. In the case where the thin film compound inlcudes unoxidized copper, etching thereof to achieve a predetermined pattern on the graphic artwork is facilitated by using a mixture of ammonium chloride and hydrogen peroxide.
    Type: Grant
    Filed: January 24, 1990
    Date of Patent: July 10, 1990
    Assignee: Andus Corporation
    Inventors: Wilfred C. Kittler, Jr., Janos Czukor, Darrell Stoddard
  • Surface treatment for thin metal or semiconductor oxide coatings
    Patent number: 4937055
    Abstract: The adherablility of a thin coating of a metal or semiconductor oxide, such as indium tin oxide or silicon dioxide, is improved by treating the coating with an aqueous solution containing an effective amount of an active oxygen compound such as sodium hypochlorite or hydrogen peroxide.
    Type: Grant
    Filed: January 13, 1989
    Date of Patent: June 26, 1990
    Assignee: Andus Corporation
    Inventors: Wilfred C. Kittler, Darrell Stoddard
  • The method of forming a thin film artwork compounds
    Patent number: 4911785
    Abstract: A graphic artwork includes a thin film coating layer thereon which includes a copper oxide which is substantially opaque to ultraviolet light and partially transmissive to visible light and suitable for printing circuiting on a printed circuit board or for other graphic artwork. In the case where the thin film compound includes unoxidized copper, etching thereof to achieve a predetermined pattern on the graphic artwork is facilitated by using a mixture of ammonium chloride and hydrogen peroxide.
    Type: Grant
    Filed: February 4, 1987
    Date of Patent: March 27, 1990
    Assignee: Andus Corporation
    Inventors: Wilfred C. Kittler, Jr., Janos Czukor, Darrell Stoddard
  • Transparent electrode fabrication
    Patent number: 4838656
    Abstract: A panel for a liquid crystal or other visual display is formed by depositing onto a transparent backing a transparent conductive material, such as indium-tin oxide, and then a metal such as nickel that will serve as a bus to power the transparent conductive material. The nickel is first etched to a bus configuration, and then the indium-tin oxide is etched to produce one or more picture elements.
    Type: Grant
    Filed: June 21, 1988
    Date of Patent: June 13, 1989
    Assignee: Andus Corporation
    Inventor: Darrell Stoddard