| 摘要 |
PROBLEM TO BE SOLVED: To provide an objective lens actuator which can easily be attached to a movable part of an elastic supporting member. SOLUTION: An objective lens 26 is held by a lens holder 27. Driving coils 28, 19 for generating focusing thrust and tracking thrust are provided in the lens holder 27, In order to support the lens holder 27 so as to be displaced in accordance with thrust generation quantity of the driving coils 28, 29, a plurality of supporting springs 30a, 30b the one end of which is connected to both side planes of the lens holder 27 are provided at a supporting plane of a difference in level state or a tilt state so that connection height is different in the focus direction keeping a parallel state of the supporting springs 30a, 30b in respective planes of both side planes of the lens holder 27. COPYRIGHT: (C)2008,JPO&INPIT
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