Patent ID: 8259558
Filing Date: 2012-09-04
Classification: G11B

Abstract:
1. Optical storage medium, comprising: a plurality of tracks with a mark/space data structure, wherein: alternatingly one track comprises not partitioned marks and an adjacent track comprises partitioned marks split into two independent sections that do not share a physical border, the partitioned and not partitioned marks having different lengths in accordance with coded digital data, the partitioned marks interact with a TM polarized beam but not a TE polarized beam, and the non-partitioned marks interact with a TE polarized beam or a TM polarized beam; and the partitioned marks are partitioned in tracking direction for providing tracking information, such that a first track comprises only partitioned marks, an adjacent second track comprises only not partitioned marks, an adjacent third track comprises only partitioned marks, and an adjacent fourth track comprises only not partitioned marks.