| 摘要 |
This optical device (1) includes: a light waveguide (5) provided in a substrate (4) that has an electro-optic effect; a signal electrode (6) provided on the substrate (4) and above the light waveguide (5); and a peeling prevention film (7) which is provided on at least a part of the outer periphery of the substrate (4) and at a separate location from the signal electrode (6), and which also serves as a ground electrode. |
