Patents Assigned to BAE Sysytems PLC
  • Circuit board defined by transmission line patterns disposed within trenches and covered by a conformal layer
    Patent number: 7852175
    Abstract: A circuit board is provided, and a method for manufacturing the same, suitable for use in high frequency circuits, and comprising a planar pattern of transmission line conductors for linking components formed on or within the circuit board, the transmission line conductors being formed within a corresponding pattern of trenches arranged so that the conductors lie beneath a finished surface of the circuit board which is polished flat to permit one or more cover boards to be bonded thereto.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: December 14, 2010
    Assignee: BAE Sysytems PLC
    Inventor: Robert Brian Greed