| 摘要 |
PROBLEM TO BE SOLVED: To connect, in common, wires transmitting the same signal or wires supplying the same power source voltage in a wire group disposed on both sides of a differential signal wire group without hindering the impedance matching of differential signals. SOLUTION: A flexible wiring board has a differential signal wire group including two or more pairs of differential signal wires transmitting differential signals, a wire group A disposed on one side of the differential signal wire group, and a wire group B disposed on the other side of the differential signal wire group. The differential signal wire group is formed on a first surface of the flexible wiring board, a first GND pattern is formed on a second surface opposite the first surface of the flexible wiring board, and the first GND pattern is formed so as to cover at least the differential signal wiring group. At least one wire of the wire group A and at least one wire of the wire group B transmit the same signal or supply the same power source voltage. COPYRIGHT: (C)2009,JPO&INPIT
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