| 摘要 |
<p>PURPOSE:To contrive miniaturization and thin formation of the optical disk recording and/or reproducing device by realizing miniaturization and thin formation of the objective lens driving device and the optical pickup device as a whole. CONSTITUTION:The optical pickup device has a bobbin 52 whose one end side is fitted with an objective lens 51, the other end side being fitted with a focusing coil 66. The device has also elastic supporting bodies 53 and 54, each having one end fitted to one end side of the bobbin 52 and the other end side supported by a supporting body holder 55, the supporting body holder 55 for supporting these elastic supporting bodies 53 and 54 and a yoke 57 fitted with a magnet 64. The device is then constituted to be equipped with a magnetic circuit for driving the bobbin 52 in the parallel direction to an optical axis of the objective lens 51 by this magnet 64 and the focusing coil 66. Consequently, since the magnet 64 and the focusing coil 66 are disposed between the objective lens 51 and the supporting body holder 55, the distance from the supporting body holder 55 to the objective lens 51 is diminished.</p> |
