Patents by Inventor Andrew T. Appleby

Andrew T. Appleby 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).

  • Power supply network
    Patent number: 7928567
    Abstract: A power supply network (2) for an integrated circuit is provided, the power supply network (2) comprising a supply grid (4); a plurality of supply pads (6), each supply pad (6) being in electrical contact with an edge of the supply grid (4); a current spreader (8) for at least one of the plurality of supply pads (6), each current spreader (8) being in electrical contact with a respective supply pad (6) and the supply grid (4), each current spreader (8) being sized so that it overlaps with a respective portion of the supply grid (4); and each current spreader (8) having a lower electrical resistance than the supply grid (4). Further embodiments provide an integrated circuit with a power supply network as described above.
    Type: Grant
    Filed: June 19, 2007
    Date of Patent: April 19, 2011
    Assignee: NXP B.V.
    Inventors: Petrus J. A. M. Van De Weil, Andrew T. Appleby
  • Power Supply Network
    Publication number: 20090289372
    Abstract: A power supply network (2) for an integrated circuit is provided, the power supply network (2) comprising a supply grid (4); a plurality of supply pads (6), each supply pad (6) being in electrical contact with an edge of the supply grid (4); a current spreader (8) for at least one of the plurality of supply pads (6), each current spreader (8) being in electrical contact with a respective supply pad (6) and the supply grid (4), each current spreader (8) being sized so that it overlaps with a respective portion of the supply grid (4); and each current spreader (8) having a lower electrical resistance than the supply grid (4). Further embodiments provide an integrated circuit with a power supply network as described above.
    Type: Application
    Filed: June 19, 2007
    Publication date: November 26, 2009
    Applicant: NXP B.V.
    Inventors: Petrus J.A.M. Van De Weil, Andrew T. Appleby