Patent ID: 7569773
Filing Date: 2009-08-04
Classification: H05K

Abstract:
1. A wired circuit board comprising: a plurality of insulating layers; a conductive layer having a signal wiring extending in a longitudinal direction which is covered with the insulating layers, and a signal connecting terminal provided on a longitudinal end of the signal wiring and exposed from the insulating layers; and a ground layer having a ground wiring covered with the insulating layers and formed to surround the signal wiring in a perpendicular direction to the longitudinal direction, and a ground connecting terminal provided on a longitudinal end of the ground wiring and exposed from the insulating layers, wherein the signal connecting terminal and the ground connecting terminal are formed on an upper surface of the same insulating layer among the plurality of the insulating layers; wherein the signal wiring and the signal connecting terminal are formed on the upper surface of the same insulating layer; and wherein the ground wiring is formed on an upper surface of a different insulating layer and comprises an auxiliary ground wiring disposed at a longitudinal end of the different insulating layer and continuing down to the ground connecting terminal.