| 摘要 |
An electrostatic actuator is provided with a movable part, and a connector. The movable part is in the form of a plate and is swingable around a swing axis which is parallel to the flat surface of the plate. The connector supports the movable part such that the movable part is swingable around the swing axis. The connector has a keeper that extends from the connector in a direction parallel to the swing axis. The movable part has a reflecting surface which reflects light and a rear surface which is the rear of the reflecting surface. The keeper supports the rear surface.
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