OBJECTIVE LENS DRIVING DEVICE INCLUDING A DAMPING MEMBER WHICH HAS AN OPENING ON A MAIN SURFACE TO ALLOW AN OPTICAL AXIS OF A LENS TO PASS THROUGH, AND OPTICAL PICKUP USING THE OBJECT LENS DRIVING DEVICE

摘要

In a lens driving device for an optical recording/reproducing apparatus, a lens is held by a platelike damping member that is made of silicone porous material, for example, and both ends of the damping member are fixed to a base. This construction prevents undesired oscillations. Also, in order to drive the lens, two magnets are attached to an outer edge of the lens opposite to each other with the lens interposed in between them, and driving coils are attached to the base facing the magnets. The driving coils have two coils that drive the lens in the tracking and focusing directions, respectively.