Optical disc with heat blocking bands between tracks

Details Optical disc with heat blocking bands between tracks Optical disc with heat blocking bands between tracks

1995-02-21

1997-04-01

Nelms, David C.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692754, 3692755, G11B 724

Patent

active

056174063

ABSTRACT:
An optical disc has a plurality of tracks arranged in a radical direction of the disc. On each track, a plurality of servo areas for recording servo information and a plurality of data areas for recording data information are provided. A heat blocking band is provided between adjacent tracks in the data area for preventing heat from transmitting to the data area.

REFERENCES:
patent: 5268887 (1993-12-01), Honguh et al.
patent: 5353277 (1994-10-01), Yasuda et al.

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