Patent ID: 7529047
Filing Date: 2009-05-05
Classification: G11B

Abstract:
1. An actuator for an optical scanning device, having a focus lens mounted in a lens holder and having a damper base which is firmly connected to a mount, having a magnet arrangement arranged on the mount, and having a coil arrangement interacting with the magnet arrangement, on a printed circuit board for fine positioning of the focus lens, with the printed circuit board being connected to the damper base by means of elastically flexible suspension means which are arranged on both sides of the longitudinal axis of the actuator, the printed circuit board being at the same time a mounting board for the lens holder, and the printed circuit board and the lens holder together forming the moving part of the actuator, wherein the magnet arrangement consists of a first partial magnet arrangement and a second partial magnet arrangement arranged so as to leave an area between them, and the lens is arranged in the area.