Patents by Inventor Suryanarayana Mukkavilli

Suryanarayana Mukkavilli 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).

  • Ceramic substrate having a protective coating thereon and a method for protecting a ceramic substrate
    Patent number: 5196251
    Abstract: Disclosed is a ceramic substrate having a protective coating on at least one surface thereof which includes:a ceramic substrate having at least one electrically conductive via extending to a surface of the substrate;an electrically conductive I/O pad electrically connected to at least one of the vias;an I/O pin brazed to the I/O pad, the brazed pin having a braze fillet; anda protective layer of polymeric material fully encapsulating the I/O pad, wherein the layer of polymeric material protects the I/O pad from corrosion.
    Type: Grant
    Filed: April 30, 1991
    Date of Patent: March 23, 1993
    Assignee: International Business Machines Corporation
    Inventors: Nanik Bakhru, Richard A. Bates, George Czornyj, Nunzio DiPaolo, Ananda H. Kumar, Suryanarayana Mukkavilli, Heinz O. Steimel, Rao R. Tummala