Patent ID: 7203136

Claim:
An optical pickup actuator comprising: a base having a holder positioned at one side of the base; a blade having an objective lens mounted at one side of the blade; a guide groove; a magnetic driving portion including at least one fine pattern coil installed across the guide groove and magnets embedded in the guide groove opposite to each other at both sides of the fine pattern coil; elastic supporting members having one end coupled to the holder such that the blade is movably supported; wherein the fine pattern coil comprises at least one focusing coil and at least one tracking coil, and wherein the fine pattern coil is centered on a center line, and the at least one focusing coil is arranged opposite the at least one tracking coil about the center line, the at least one focusing coil being situated entirely on one side of the center line and the at least one tracking coil being situated entirely on the other side of the center line.