Information recording medium

Details Information recording medium Information recording medium

2005-03-15

2005-03-15

Mulvaney, Elizabeth (Department: 1774)

Stock material or miscellaneous articles

Circular sheet or circular blank

C428S064400, C430S270110

Reexamination Certificate

active

06866910

ABSTRACT:
An information recording medium including a transparent substrate, and a recording layer or a metallic layer formed on the transparent substrate directly or through an undercoat layer, with an amplitude attenuation time of 1 second or less and/or a vibration frequency attenuation time of 3 seconds or less, when vibrated in the direction perpendicular to the flat surface of said information recording medium, or wherein when the information recording medium is in-plane vibrated in the direction perpendicular to the extending direction of information recording, reproducing and/or deleting tracks, a maximum in-plane deviation of a recording, reproducing or deleting position in the tracks in the perpendicular direction from a correct recording, reproducing or deleting position in the tracks is 12.5×d or less wherein d is an average distance between the adjoining tracks measured in the direction perpendicular to the extending direction of the tracks, and an acceleration of the information recording medium in the perpendicular direction is 0.25 m/s2or less.

REFERENCES:
patent: 4827469 (1989-05-01), Peeters
patent: 5045438 (1991-09-01), Adachi
patent: 5616447 (1997-04-01), Arioka
patent: 5705247 (1998-01-01), Arai et al.
patent: 0373763 (1990-06-01), None
patent: 0628956 (1994-12-01), None
patent: 1026686 (2000-08-01), None
patent: 1069556 (2001-01-01), None
patent: 06060589 (1994-03-01), None
patent: 08212595 (1996-08-01), None
patent: 08241540 (1996-09-01), None
patent: 2000357345 (2000-12-01), None

Affiliated with

Also associated with

Rating

Information recording medium does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Information recording medium, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Information recording medium will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3393905