Patent ID: 8036071
Filing Date: 2011-10-11
Classification: G11B

Abstract:
1. A method of producing an information recording medium having a recording format, such that (i) information can be recorded to a recording track of a recording layer according to only one of a groove recording system and a land recording system, and (ii) the recording track to which the information can be recorded has a wobbled track including a wobble and address information added to the wobble by performing MSK (Minimum Shift Keying) modulation and HMW (Harmonic Modulated Wave) modulation to a reference frequency signal of the wobble, the method of producing the information recording medium comprising: a step of forming the recording layer of the information recording medium, such that the formed recording layer includes a land track and a groove track that is closer to an incident laser beam than the land track, wherein the recording track of the formed recording layer is only one of the land track and the groove track, the step of forming the recording layer comprising: