Device for reversible optical data storage

Details Device for reversible optical data storage Device for reversible optical data storage

1987-02-03

1989-12-12

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Liquid crystal process, composition, or product

430 19, 430 1, 2522996, 25229964, 25229966, 25229967, 25229968, 350350R, 428 1, C09K 1900, G02F 103

Patent

active

048867187

ABSTRACT:
The invention relates to a device for reversible optical information storage, which comprises polymeric liquid crystals as a storage medium. The device contains a film comprised of a liquid crystal main chain polymer, as a storage medium, and is constructed so that in the storage operation the storage medium is locally reoriented, and the information is stored by means of a local variation of the molecular ordering.

REFERENCES:
patent: 4232951 (1980-11-01), Aharoni et al.
patent: 4384016 (1983-05-01), Ide et al.
patent: 4394498 (1983-07-01), Kastelic
The Transactions of the IECE of Japan, vol. E61, No. 6, p. 493.
Kubota et al., Hologram Memory Using ONe Dimensional Fourier Transform-Image Hologram.

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