Patent ID: 8752078
Filing Date: 2014-06-10
Classification: G11B

Abstract:
1. An objective lens driving unit for an optical disc drive, the objective lens driving unit comprising: a moving structure comprising an objective lens and a driving coil; a yoke structure comprising a magnet corresponding to the driving coil, a yoke supporting the magnet, and a fixed portion extending from the yoke; a wire holder comprising a first surface and a second surface that is adjacent to the first surface, wherein the fixed portion of the yoke structure is integrally bonded to the first surface by molding, and a terminal unit comprising a plurality of interconnection layers is embedded in the second surface; and a plurality of suspension wires that connect the driving coil to the terminal unit of the wire holder, wherein an opening is formed on the first surface of the wire holder in which the fixed portion of the yoke structure is embedded and the opening exposes the fixed portion.