Optical disk capable of recording information on both land and g

Details Optical disk capable of recording information on both land and g Optical disk capable of recording information on both land and g

1995-08-10

1997-02-11

Dinh, Tan

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692751, G11B 724

Patent

active

056028245

ABSTRACT:
An optical disk has neighboring land tracks, and groove tracks for separating the land tracks. Pits each having a predetermined depth are formed on the land tracks, and islands each having a predetermined height are formed on the groove track.

REFERENCES:
patent: 4423502 (1983-12-01), Dil
patent: 5353277 (1994-10-01), Yasuda et al.
patent: 5444689 (1995-08-01), Ohki et al.
Patent Abstracts of Japan, vol. 18, No. 74, Feb.7, 1994 of JP 5282705, Oct. 29,1993.
Bouwhuis et al., "Principles of Optical Disc Systems", Nov. 1985.
Miyagawa et al., "High Track Density Recording by Land and Groove Method on Phase Change Optical Disks"; Fukumoto et al., Cross-Talk Analysis of Land/Groove Magneto-Optical Recording, from Technical Digest Symposium on Optical Memory 1994 (Jul. 11-13, 1994), Tokyo, Japan.

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