| 摘要 |
An optical waveguide board includes: an optical waveguide configured to transmit an optical signal to and from a light receiving element and a light emitting element; wiring patterns that are electrically connected with the light receiving and emitting elements, respectively; and supporting members disposed on the wiring patterns on sides of end parts of the optical waveguide, the supporting members supporting the light receiving and emitting elements, respectively; wherein each of the supporting members includes: a conduction portion that electrically connects a corresponding one of the light receiving and emitting elements and the wiring pattern; and a smooth surface configured to reflect the optical signal appearing between the corresponding one of the light receiving and emitting elements and the optical waveguide.
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