| 摘要 |
An actuator (1) is provided with a movable section (120), supporting sections (210, 110), and a torsion bar (230), and a rib (123) is formed on the surface of the movable section. The movable section is provided with a protruding portion (122), which is protruding in the direction along the surface of the movable section, and which is also protruding toward the outside of the movable section, and at least a part of the rib is formed to extend onto the protruding portion. |
