Patent ID: 6016292
Filing Date: 2000-01-18
Classification: G11B

Abstract:
An optical pick-up apparatus comprising:a base plate provided at one end thereof with a support plate which is upwardly protruded;a permanent magnet attached to a front surface of the support plate;a gel holder fixed to an upper surface of the base plate;a suspension PCB attached to a rear surface of the gel holder;a bobbin installed in a front of the permanent magnet by a predetermined distance apart from the permanent magnet;a focusing coil and a tracking coil which are wound around the bobbin in perpendicular to each other;a pair of coil PCBs which are attached to a front surface of the bobbin and to which the focusing and tracking coils are connected;an object lens holder having an object lens installed thereon, the object lens holder being attached to front surfaces of the pair of the coil PCBs; andtwo pairs of suspension wires for suspending the object lens holder in such a manner that the object lens holder is movable in a focusing direction or a tracking direction, each pair of suspension wires extending from the suspension PCB and being respectively connected to rear surfaces of the pair of the coil PCBs through the gel holder.