Patent ID: 8203921
Filing Date: 2012-06-19
Classification: G11B

Abstract:
1. A recording apparatus for recording information to a recording medium having a plurality of recording layers, comprising: a light emission unit configured to irradiate a laser beam to said recording medium; and a control unit configured to control said light emission unit, said control including execution of an area-saving Optimum Power Calibration (OPC) for said recording medium, said area-saving OPC being conducted in an area smaller than an area used for an ordinary OPC; wherein, when pre-recorded OPC result information exists on said recording medium and an OPC is executed for said recording medium, said OPC is executed based on data obtained from said pre-recorded OPC result information on said recording medium, said pre-recorded OPC result information including an OPC result coincident with a recording apparatus identifier (ID) of the recording apparatus that performed the OPC.