Patents by Inventor Richard J. Gledhill

Richard J. Gledhill 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).

  • Interconnection arrangements for testing microelectronic circuit chips on a wafer
    Patent number: 4295182
    Abstract: A wafer having microelectronic circuit chips thereon having electrical connections between the chips arranged so that effectively the chips are on a surface which at least in one direction is unbounded. The electrical connections may be arranged so that the chips are effectively on the surface of a cylinder, or they may be effectively on a helix. The electrical connections may optionally be arranged so that the chips are effectively on a toroid, or on an endless helix. The output connections from a chip adjacent one edge of the wafer may be connected through electrical conductors direct to the input connections of a chip adjacent the opposite edge of the wafer.
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: October 13, 1981
    Assignee: The Secretary of State for Industry in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: Russell C. Aubusson, Richard J. Gledhill