RECORDING MATERIAL FOR INFORMATION AND RECORDING DEVICE

摘要

PURPOSE:To provide a recording material for information which shortens a read-out time of information and also in which a ROM region with a large capacity and a RAM region coexist and to provide a recording device using the material. CONSTITUTION:Since a RAM information track 42 between ROM information tracks 41 is provided, the read-out of information and the recording are carried out in an instant and surely. Also the information is inputted in the tracking groove and between the grooves, thus the recording capacity is greatly increased.