| 摘要 |
<p>An electrical optical circuit-board (10) is provided with an optical circuit-board (40) provided with an optical waveguide (42) and an electrical wiring board (70) that contains a conductor layer (72) and is laminated on the optical circuit-board (40). In the electrical optical circuit-board (10), the electrical wiring board (70) is provided with extending portions (74) formed extending beyond the optical circuit-board (40) laterally with respect to the extending direction of the optical waveguide (42), and conductive portions (50) are provided in a middle portion M of the electrical wiring board (70) in the extending direction thereof that connect the conductor layer (72) and the back side of the electrical optical circuit-board (10).</p> |
