Patent ID: 7411751
Filing Date: 2008-08-12
Classification: G11B

Abstract:
1. An optical pickup actuator comprising: a lens holder holding an object lens; a coil formed in a side of the lens holder; a magnet spaced apart from and faced by the coil such that the coil is disposed between the lens holder and the magnet; a pickup base supporting the magnet; a fixed frame fixed to the pickup base; an elastic support having one end fixed to the fixed frame and the other end fixed to the lens holder; and a heat sink member formed on the magnet and configured to dissipate heat generated by the coil and transferred to the magnet, wherein the coil is formed directly adjacent to the lens holder such that the heat generated by the coil is transferred to the lens holder, and then the heat transferred to the lens holder is transferred to the magnet and is dissipated by the heat sink member formed on the magnet.