Patent ID: 7796497

Claim:
An information recording carrier having minute pattern including plural grooves formed to be substantially in parallel and adjacent to each other, comprising: a supporting body having the minute pattern; a recording layer formed on the minute pattern formed on the supporting body; and a light transmission layer formed on the recording layer, wherein when a pitch of each groove is P, a wavelength of a laser beam is λ and a numerical aperture of an objective lens is NA, the minute pattern is formed under a relation of P<λ/NA; wherein the plural grooves include at least a wobbling region and data is recorded wobblingly in the wobbling region by frequency shift modulation; wherein a phase of a high frequency portion and a phase of a low frequency portion are continuous at a border between the high frequency portion and the low frequency portion composing the frequency shift modulation; and wherein a linear groove is formed adjacent to a groove including the wobbling region.