Optical recording medium, method for manufacturing the same, and

Details Optical recording medium, method for manufacturing the same, and Optical recording medium, method for manufacturing the same, and

1999-06-11

2000-02-29

Neyzari, Ali

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692753, G11B 724

Patent

active

060318163

ABSTRACT:
An optical disk has address recording sections each of which has a wobbled part of one of side walls of a groove. Each address recording section is formed by providing convexes of a groove in an adjacent land so as to widen the groove. With the wobbles thus provided in a concavo-convex form, address information is recorded. Besides, the address recording sections thus provided in the grooves are linearly disposed in radial directions of the optical disk. By thus arranging the optical disk on whose grooves and/or lands information is recorded, mixing of wobble frequency components in reproduced information signals does not occur, the sector method is applicable to the optical disk, and information signals of high quality can be obtained.

REFERENCES:
patent: 5210738 (1993-05-01), Iwata et al.
patent: 5339302 (1994-08-01), Takahashi et al.
patent: 5537373 (1996-07-01), Horikiri
patent: 5615205 (1997-03-01), Belser
patent: 5933411 (1999-08-01), Inui et al.

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