Patent ID: 7251202

Claim:
A substrate for an optical recording medium, comprising: a plurality of recording tracks formed on a disc; and an address section comprising first and second address pit sequences formed between said recording tracks along an information reading direction of said recording tracks, said recording tracks divided into a prescribed number of zones, each of said recording tracks having a first center line extending along the information reading direction, and the first and second address pit sequences each having a respective center axis extending along the information reading direction, the first and second address pit sequences being disposed equidistantly from and on opposing sides of a second center line of said address section, the second center line extending along the information reading direction, wherein in each of said zones, the second center line is shifted in a radial direction of said disc, with respect to the first center line to form a predetermined offset, and said second center line is positioned in extension of guide groove contained in each of said recording tracks in which said first center line is provided.