Multilayered optical disk and its recording method

摘要

A method for performing recording on a multilayered optical disk which has three or more recordable or rewritable information recording layers with a first recording layer and a second recording layer located nearer to a light incident surface than the first recording layer, and which respectively has a first test area configured by a plurality of segments in the first recording layer and in the second recording layer, wherein a predetermined radial distance L is defined beforehand. When an arbitrary segment in the second test area is test-recorded, a segment in the first test area, the radial distance of which from the recorded test area in the second test area is within the range of the predetermined radial distance L, is set as a segment in which test recording is not performed.

主权项

1. A method of performing test recording on an optical disk which has three or more recordable or rewritable information recording layers, comprising the steps of:
performing a test recording in an arbitrary segment in a second test area in a second recording layer that is closer to a light incident surface than a first recording layer; identifying a segment in a first test area in the first recording layer which has a radial distance that is less than a predetermined radial distance L, which is based, in part, on predetermined parameters of the optical disk, from the recorded test area in the second test area; and setting the identified segment as a segment in which test recording is not performed, wherein the radial distance L is determined based on a manufacturing error of the optical disk.