OPTICAL RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To provide an optical recording medium in which wobble characteristics of a user data area and a read-out area are formed different. SOLUTION: In the optical recording medium including the user data area and the read-out area, a prescribed recording pattern is recorded in the outermost circumference part of the recording medium and an optical pickup is prevented from deviating from the user data area when performing recording/reproduction. COPYRIGHT: (C)2005,JPO&NCIPI