| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a printed board which suppresses the crosstalk of a pair of vias for transmitting differential signals, and also to provide a method for manufacturing the printed board.SOLUTION: A printed board includes: a plurality of wiring layers; and a plurality of differential signal vias which connect between the plurality of wiring layers by a pair of vias, and in which each consisting of the pair of vias possessed by specific differential signal vias for transmitting differential signals different from the other adjacent differential signal via is arranged side by side on the trajectory at a point located at an equal distance from each consisting of the pair of vias possessed by the other differential signal via.</p> |
