Optical recording medium having a plurality of guide tracks...

Details Optical recording medium having a plurality of guide tracks... Optical recording medium having a plurality of guide tracks...

2004-12-02

2008-11-18

Dinh, Tan X (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

Reexamination Certificate

active

07453791

ABSTRACT:
A recording medium has a recording layer capable of be performed in recording or reproducing of information with light irradiation and carried with a substrate. The recording medium includes a guide layer having guide tracks each followed by a light beam spot focused from an objective lens through the recording layer, the guide tracks disposed at a first pitch. The recording medium includes a guide track transfer region provided on the guide layer and having at least one line of a track arranged in parallel between the guide tracks adjacent to each other in the extending direction of the guide track so as to be in a direction perpendicular to the guide track within a range shorter than that of the guide track.

REFERENCES:
patent: 7170661 (2007-01-01), Ogasawara et al.
patent: 7254106 (2007-08-01), Ichihara et al.
patent: 7307769 (2007-12-01), Ogasawara
patent: 2005/0141067 (2005-06-01), Ogasawara et al.
patent: 2006/0023577 (2006-02-01), Shinoda et al.
patent: 2008/0013441 (2008-01-01), Oouchida
patent: 2008/0037082 (2008-02-01), Ogasawara
patent: 2008/0037083 (2008-02-01), Ogasawara
patent: 11-311937 (1999-11-01), None

Affiliated with

Also associated with

Rating

Optical recording medium having a plurality of guide tracks... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical recording medium having a plurality of guide tracks..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical recording medium having a plurality of guide tracks... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4038474