| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a circuit board having a satisfactory electric transmission characteristic of a signal.SOLUTION: There is used a composite circuit board, in which one face has a first connection form to a first through hole of a first circuit board, while another face has a second connection form different from the first connection form. A first connector is connected with the first connection form, and one face of a second circuit board is connected with the second connection form. To another face of the second circuit board, a second connector is electrically connected via a second through hole.</p> |
