Patent ID: 6906430
Filing Date: 2005-06-14
Classification: G11B

Abstract:
1. An actuator comprising: a lens holder having an upper face for holding an objective lens and a pair of side faces for holding coil substrates; the objective lens fixed to the upper face; and the pair of coil substrates fixed to the pair of the side faces, wherein the objective lens is fixed at a position displaced from a center of gravity of the lens holder to one end of the lens holder, and one of the pair of the coil substrates is fixed on one of the side faces of the lens holder in a range from the one end of the lens holder to a center portion of the lens holder, and the other one of the coil substrates is fixed on the other one of the side faces of the lens holder in a range from the other end of the lens holder to the center portion of the lens holder.