| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an actuator for optical pickup in which an energizing path of this active element is secured and hardness of a wire is optimized at the time of adopting an active element for compensating spherical aberration, an optical pickup device, and an optical recording/reproducing device. <P>SOLUTION: This actuator for optical pickup is provided with a base, a holder provided on this base, a movable part in which an objective lens focusing incident light on a disk and a liquid crystal panel for compensating spherical aberration are incorporated, a magnetic driving part driving the movable part in the direction of a radius of the disk and of focusing, a first coupling part consisting of at least four wires or more, and a second coupling part which is electrically independent from the first coupling part, utilized as an energizing path of a signal for driving the liquid crystal panel, and consists of a plurality of wires, then, the actuator comprises a coupling member supporting the movable part freely movably for the holder. <P>COPYRIGHT: (C)2004,JPO |
