OPTICAL DISC DRIVE AND CONTROL METHOD THEREOF

摘要

An optical disc drive and a control method thereof perform a stable layer jump in a deflected optical disc having surface vibration component to increase a rate of success of the layer jump. Accordingly, recording and reproducing of information between layers are continuously performed. The control method of an optical disc drive includes rotating an optical disc, detecting a point where an optical axial relative movement between the optical disc and a pickup module is zero or about zero, and controlling the pickup module such that a layer jump is performed in the vicinity of a point where the optical axial relative speed or movement between the optical disc and the pickup module is zero or about zero during the rotation of the optical disc.