Patent ID: 7012868
Filing Date: 2006-03-14
Classification: G11B

Abstract:
1. An method for adjusting an optical pick-up, wherein a device includes said optical pick-up having a light source for emitting light beams, an object lens for irradiating light beams onto an adjustment optical disc, and a drive portion for driving the object lens in a direction in parallel to an optical axis of the object lens and in a direction perpendicular to the optical axis is movably held with respect to the object lens, and the drive portion is movably held with respect to the light source, said method comprising: adjusting both a relative position of the object lens, with respect to the light source, and an inclination of the optical axis of the object lens by irradiating light beams from the optical pick-up onto the adjustment optical disc, said adjustment optical disk having concentric recording tracks; and adjusting the optical pick-up with a predetermined position such that