Optical recording medium and manufacturing method thereof

Details Optical recording medium and manufacturing method thereof Optical recording medium and manufacturing method thereof

1998-06-03

2000-11-28

Dinh, Tan

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

428 644, G11B 724

Patent

active

061544396

ABSTRACT:
An optical recording medium according to the present invention includes a data recording area forming a double spiral structured track having spiral recording tracks each formed of a groove and a land adjacent to the groove, and a reproduction only area forming a single spiral structured track consisting of a pit row.

REFERENCES:
patent: 5768243 (1998-06-01), Kudo et al.
patent: 5844883 (1998-12-01), Kanno et al.
patent: 5946285 (1999-08-01), Nakane et al.
patent: 5959947 (1999-09-01), Inoue et al.
patent: 6055218 (2000-04-01), Takeda et al.
patent: 6064643 (2000-05-01), Tanoue et al.

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