Optical information medium with recording layer that is...

Dynamic information storage or retrieval – Storage medium structure – Layered

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

07154844

ABSTRACT:
The invention provides an optical information recording medium comprising a substrate, an optional reflective layer, a recording layer, a barrier layer, an adhesive layer, and a cover layer in this order. In the first embodiment, the barrier layer covers the surface and the outer and/or inner peripheral end edge surfaces of the recording layer, the inner and/or outer peripheral portions of the substrate and the cover layer adheres to each other in at least partial region thereof via the adhesive layer, and the maximum length of this region in the radial direction is 0.4 mm or more. In the second embodiment, outer and/or inner peripheral end edge portions of the reflective layer extend past the corresponding peripheral end edge portion or portions of the recording layer, and the barrier layer adheres to the reflective layer's extended peripheral edge region.

REFERENCES:
patent: 4920359 (1990-04-01), Arai et al.
patent: 5382460 (1995-01-01), Onagi et al.
patent: 5966369 (1999-10-01), Walters et al.
patent: 5982740 (1999-11-01), Schwartz
patent: 5989777 (1999-11-01), Lamotte et al.
patent: 6238764 (2001-05-01), Usami
patent: 6249509 (2001-06-01), Hirata et al.
patent: 6312547 (2001-11-01), Fujimori et al.
patent: 6743527 (2004-06-01), Hisada et al.
patent: 0 408 763 (1991-01-01), None
patent: 0 874 360 (1998-10-01), None
patent: 1 202 264 (2002-05-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

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

Rate now

     

Profile ID: LFUS-PAI-O-3653086

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.