Patents by Inventor Jeffrey L. Snare

Jeffrey L. Snare 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).

  • On-chip ground plane for semiconductor devices to reduce parasitic signal propagation
    Patent number: 5485029
    Abstract: A semiconductor chip having an on-chip ground plane comprising a low resistivity semiconductor region in a plurality of non-device regions of the chip and reach-through regions electrically connected to the low resistivity semiconductor region. One or more front-side contacts are used to electrically connect the reach-through regions and the low resistivity semiconductor region to a ground potential to electrically ground the on-chip ground plane.
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: January 16, 1996
    Assignee: International Business Machines Corporation
    Inventors: Emmanuel F. Crabbe, Keith A. Jenkins, Jeffrey L. Snare