Patent ID: 7072280
Filing Date: 2006-07-04
Classification: G11B

Abstract:
1. An optical recording method for an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including first and second prepit portions divided in a track direction, a prepit of the respective first and second prepit portions being arranged on a boundary of the respective tracks, the first prepit portion having an address information prepit and a synchronous information prepit, the second prepit portion having a synchronous information prepit, the prepit of the first and second prepit portions being arranged with one track displaced in the radial direction, and a trailing end of an edge prepit of the first prepit portion being aligned in the radial direction, the method comprising the steps of: providing the optical medium; and recording information on the optical medium by irradiating an optical spot thereon.