| 摘要 |
<p>An optical information recording medium having a recording surface formed by a recording layer (13) provided on a substrate (11), the recording surface being provided with parallel information tracks (1) each divided into plural blocks, each of which is formed by a data area for information recording and a servo area for forming prepits for tracking signal detection, wherein the data area has a separating part (8) the height of which is different from that of the information track and which is provided between information tracks adjacent to each other, and the difference in height is equal to or larger than the thickness of said recording layer, and wherein the servo area is not provided with the separating part.</p> |
