| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical device that enables suppression of an electrostatic breakdown of an internal electronic component due to an external static or a failure due to an electrostatic without employing a grounding structure and reducing a degree of design freedom. ! SOLUTION: An optical device comprises: an insulation member 58 that constitutes at least one part of cases 44 and 45 having an electronic component built in or one part of an exterior member 58 provided in the cases; a conductive member 52 that faces to the insulation member from an interior side of the case and is electrically conducted to the electronic component; a through-hole 54 that is formed in the insulation member and communicates between an outer side space of the insulation member and a space on a conductive member side; a conductive connection member 56 that, when viewing in an axial line direction of the through-hole, has at least one part located in a range of the through-hole and is connected to the conducti |
