Multi-layer optical disc having a pair of substrates spaced by a

Details Multi-layer optical disc having a pair of substrates spaced by a Multi-layer optical disc having a pair of substrates spaced by a

1997-08-25

1999-02-09

Neyzari, Ali

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692751, G11B 724

Patent

active

058703748

ABSTRACT:
A multi-layered optical disk comprising a plurality of recording layers accumulated in the thickness direction wherein a light beam is focused on one of tracks of one of the layers thereby to record and reproduce data, the optical disk being characterized in that recording layers each have an identification section storing an address of the recording layer which the identification section belongs to.

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