Patent ID: 7706241

Claim:
An information recording apparatus for recording record information onto an information recording medium comprising a first recording layer and a second recording layer to record therein the record information by irradiating laser light in an order from an irradiation side of the laser light, said information recording apparatus comprising: a recording device for recording the record information into at least one of the first recording layer and the second recording layer by irradiating the laser light; a first controlling device to control said recording device to record the record information into an area portion of an N1 track to an N2 track (wherein, N1<N2) on the first recording layer; a second controlling device to control, after the control by the first controlling device, said recording device to record the record information into an area portion of an N1+α track to an N2−α track on the second recording layer, wherein α indicates a margin which includes an eccentricity indicating a shift between the first recording layer and the second recording layer; a third controlling device to control, after the control by the second controlling device, said recording device to record the record information into an area portion of an N2 track to an N3 track (wherein, N2<N3) on the first recording layer; and a fourth controlling device to control, after the control by the third controlling device, said recording device to record the record information into an area portion of an N2−α track to an N3+α track on the second recording layer.