Optical information recording medium capable of recording in lan

Details Optical information recording medium capable of recording in lan Optical information recording medium capable of recording in lan

1996-04-24

1999-04-20

Edun, Muhammad N.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369 58, 369 4428, G11B 700

Patent

active

058963650

ABSTRACT:
An optical information recording medium is provided which enables recording of information alternately in a land and a groove of a track, without requiring a track jumping operation. The medium has a plurality of tracks each including a land and a groove, and a mirror section which divides each track in the circumferential direction of the disk. The land and the groove are consecutively formed across the mirror section, so as to form the track. An optical information recording/reproducing apparatus using the medium and a master disk exposure apparatus for producing the medium are also disclosed.

REFERENCES:
patent: 4949331 (1990-08-01), Maeda et al.
patent: 5084860 (1992-01-01), Maeda et al.
patent: 5383176 (1995-01-01), Inui et al.
patent: 5422874 (1995-06-01), Birukawa et al.
patent: 5433874 (1995-07-01), Song et al.
patent: 5477524 (1995-12-01), Deguchi et al.

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