Substrate plate for the manufacture of a mold for the production

Details Substrate plate for the manufacture of a mold for the production Substrate plate for the manufacture of a mold for the production

1994-01-24

1996-04-09

Ahmad, Nasser

Stock material or miscellaneous articles

Circular sheet or circular blank

3461351, 428 651, 428 667, 4284735, 428913, G11B 724

Patent

active

055060218

ABSTRACT:
A substrate plate of plastic material instead of glass for the manufacture of a metal mold for the production of optical registration carriers of plastic material. Polyether imide is a suitable plastic material for forming the substrate plate. A suitable molding process is injection molding, wherein a highly polished mold is used.

REFERENCES:
patent: 4563824 (1986-01-01), Baun
patent: 4625215 (1986-11-01), Muchnik
patent: 4690370 (1987-09-01), Skinner
patent: 5283159 (1994-02-01), Norton
patent: 5304455 (1994-04-01), van Liempd
Horigome, et al. "Novel Stamper Process for Optical Disk", Proceedins of the SPIE.
Patent Abstract of Japan, vol. 8, No. 234 Oct. 26, 1984.

Affiliated with

Also associated with

Rating

Substrate plate for the manufacture of a mold for the production does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Substrate plate for the manufacture of a mold for the production, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Substrate plate for the manufacture of a mold for the production will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-137583