Patents by Inventor Richard C. Carscallen

Richard C. Carscallen 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).

  • Electrochemical etching of a mercury-cadmium-telluride substrate
    Patent number: 4564425
    Abstract: In this disclosure there is described a novel method for using electrochemical etching to finely polish the surface of a (Hg,Cd)Te substrate resulting in a defect-free infrared detector with enhanced electronic properties. The fine surface polishing is obtained by etching at optimal levels of current density and electrolyte agitation.
    Type: Grant
    Filed: April 4, 1983
    Date of Patent: January 14, 1986
    Assignee: The Aerospace Corporation
    Inventors: Bruce K. Janousek, Richard C. Carscallen