Information recording method

Details Information recording method Information recording method

2006-07-25

2006-07-25

Neyzari, Ali (Department: 2656)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S044130

Reexamination Certificate

active

07082096

ABSTRACT:
A recording method for an optical medium having a disk-like substrate, a plurality of tracks extending in a circumferential direction on the substrate and associated with a plurality of grooves, and a plurality of zones being provided on the disk-like substrate and extending between a first position and a second position in a radial direction of the substrate. Each zone including at least two tracks, and each track being divided into a plurality of units of circular arc shape extending in the circumferential direction with radially adjacent units of a respective zone being delimited by a pair of radial lines joined to form a central angle at an apex proximate to a center of the substrate. The method includes providing the optical medium, and recording information on the optical medium by irradiating an optical spot thereon.

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