| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a light-emitting/receiving device by comprising a light- emitting device of high luminance and a high-receiving device of high sensitivity, for accurate and stable operation of their projection direction and detection direction. SOLUTION: A light-emitting element 3 and a light-receiving element 4 are attached to a wiring board 1, and the light-emitting element 3 and the light- receiving element 4 are wrapped with a transparent resin to form pedestals 5 and 6. Recessed parts 10 and 11 provided at ellipsoid lenses 7 and 8 are engaged and bonded with the pedestals 5 and 6.</p> |
