Optical information carrier

Details Optical information carrier Optical information carrier

1995-06-15

1997-02-18

Edwards, Newton

Stock material or miscellaneous articles

Circular sheet or circular blank

428 642, 428 644, 428 645, 428 646, 428457, 428913, 4302701, 43027011, 43027012, 43027013, 4304951, 430945, 369283, 369288, B32B 300

Patent

active

056040032

ABSTRACT:
A description is given of an optical information carrier comprising a substrate (1), a thin reflective layer (5), a dielectric layer (7), a phase-change recording layer on the basis of GeTeSe (9), a dielectric layer (11), an opaque metal reflective layer (13) and a protective layer (15). The information carrier can be inscribed, erased and read by means of a laser-light beam a and, in the inscribed state, complies with the CD-industrial standard. The recording layer (9) comprises an alloy having the composition Ge.sub.x Te.sub.y Se.sub.z, in atom %, wherein

REFERENCES:
patent: 4806952 (1989-02-01), Nishida et al.
patent: 5063097 (1991-11-01), Hirota et al.
patent: 5147701 (1992-09-01), Furukawa et al.
patent: 5154957 (1992-10-01), Yamada et al.
patent: 5348783 (1994-09-01), Ohno et al.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1601112