| 摘要 |
<p>This wiring board is provided with: a substrate having a first surface, and a second surface inverse with respect to the first surface; and a transmission line having two parallel through wires formed inside the substrate and exposed at the first surface and the second surface. At least one of the two through wires is provided with a neck portion having a smaller diameter than the diameter of the at least one through wire at the first surface and the diameter of the at least one through wire at the second surface.</p> |
