Highly oriented thermotropic optical disc member

Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

428 65, 428156, 428480, 430271, G11B 2300

Patent

active

049592521

ABSTRACT:
Rigid, dimensionally stable, essentially circular and planar, axially injection-molded disc members, well adapted as support substrates for radiation sensitive layers for optical discs, e.g., laser discs, comprise radially molecularly oriented thermotropic polymers and such disc members have a radiation-sensitive microrelief pattern on at least one of the face surfaces thereof.

REFERENCES:
patent: 4126726 (1978-11-01), Soeding
patent: 4626493 (1986-12-01), Butters et al.
patent: 4668549 (1987-05-01), Lippits et al.
patent: 4680211 (1987-07-01), Evans et al.
patent: 4719171 (1988-01-01), Ikenaga et al.

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

Highly oriented thermotropic optical disc member does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Highly oriented thermotropic optical disc member, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Highly oriented thermotropic optical disc member will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-328392

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