OPTICAL PICKUP AND DISC DRIVE

摘要

An objective lend driver (8) comprising a supporting block (9), a movable block (10) for holding an objective lens (27), and supporting springs (22, 22, ...) for coupling the supporting block and the movable block is provided, as the components of the supporting block, with a section (11) secured to a moving base (7) movable in the radial direction of a disc-like recording medium (100), a supporting shaft (12) having the axial direction orthogonal to both the focusing direction and the tracking direction, a tilt drive section (13) supported rotatably at the secured section through the supporting shaft and coupled with the movable block through the supporting springs, and tilt driving magnetic circuits (20, 20) for rotating the tilt drive section about the secured section.