Optical disk substrate and optical disk employing said optical d

Details Optical disk substrate and optical disk employing said optical d Optical disk substrate and optical disk employing said optical d

1995-06-23

1997-01-14

Nelms, David C.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692753, G11B 700, G11B 724

Patent

active

055947166

ABSTRACT:
An optical disk substrate which includes a plurality of sectors, tracks alternately formed into lands and grooves in a direction intersecting at right angles with a tracing direction during recording or reproducing of information, a first pit row having address information and formed at a specific position of the track of a predetermined one land or groove, and a second pit row having address information and formed in a different track neighboring the track formed with the first pit row in the tracing direction, and formed at a position deviated longer than a length of the pit row from the specific position. By the above arrangement, the address information can be read without interference, with reduction of waiting time for reading.

REFERENCES:
patent: 4423502 (1983-12-01), Dil
patent: 5383176 (1995-01-01), Inui
patent: 5422874 (1995-06-01), Birukawa
patent: 5477526 (1995-12-01), Inoue

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