Patent ID: 7940626

Claim:
A recording apparatus comprising: a recording device for recording record information onto at least one of (i) a recording medium comprising: a first recording layer and a second recording layer in which the record information is recorded by irradiating laser light thereon, each of the first recording layer and the second recording layer comprising a buffer area for preventing malfunction of said recording apparatus and a calibration area for calibrating a power of the laser light which is used in recording the record information, and (ii) a recording medium comprising: the first recording layer and the second recording layer, each of the first recording layer and the second recording layer comprising the calibration area; a setting device for setting a reserved area having a predetermined size for extending or generating the buffer area, by each recording unit in the calibration area; a calibrating device for calibrating the power by using the calibration area other than the set reserved area; and a controlling device for controlling said recording device to record the record information into at least the reserved area, wherein said setting device sets the reserved area having the predetermined size, starting from a start edge portion of the recording unit in the calibration area.