CLEANING DISK AND METHOD FOR MANUFACTURING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a cleaning disk without loosing a function as a cleaning disk due to erroneous operation by a user. SOLUTION: An information recording part 24 formed on a surface opposed to the lens of the optical pickup of a recordable and reproducible disk body 21 consists of a read in area 25, a U-TOC area 26 when the user records information in the disk body and a recordable user area 27 capable of recording and reproducing information in order from a side close to an inner periphery. The recordable user area consists of at least three tracks 27a, 27b and 27c. The inner most track 27a of the area is write-protected and a lens cleaning member 22 is provided on the track. A track 27b on an outer side than the track provided with the lens cleaning member is write-protected and contents for moving a pickup lens to an outer peripheral side than the lens cleaning member is recorded.