OBJECTIVE LENS DRIVE DEVICE, AND OPTICAL PICKUP DEVICE USING OBJECTIVE LENS DRIVE DEVICE

摘要

An objective lens drive device used for an optical pickup device, comprising a fixed part, a lens bobbin having an objective lens installed therein, at least one magnet installed on one of the lens bobbin and the fixed part, a coil part installed on the other of the lens bobbin and the fixed part and moving the lens bobbin in a direction parallel with the optical axis of the objective lens and in a planar direction orthogonal to the optical axis of the objective lens, and an elastic support part formed of a stainless steel installed between the fixed part and the lens bobbin and movably supporting the lens bobbin in a direction parallel with the optical axis of the objective lens and in a planar direction orthogonal to the optical axis of the objective lens.