Apparatus for manufacturing a maser disk, optical disk forming a

Details Apparatus for manufacturing a maser disk, optical disk forming a Apparatus for manufacturing a maser disk, optical disk forming a

1996-04-09

1998-06-02

Edun, Muhammad N.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692754, 369 58, G11B 700

Patent

active

057611890

ABSTRACT:
In this invention, disk ID data associated with the characteristics of optical disks are recorded on the innermost peripheral portions of a rewritable optical disk and a read only optical disk in advance. The invention can handle both a rewritable optical disk on/from which data is recorded/reproduced by using both a groove and a land, and a read only optical disk on which data is recorded by recording record marks in a mastering process, and can correctly and quickly identify each optical disk.

REFERENCES:
patent: 4989195 (1991-01-01), Suzuki
patent: 5508995 (1996-04-01), Moriya et al.

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