Electrical information storage system using a layer of particula

Details Electrical information storage system using a layer of particula Electrical information storage system using a layer of particula

1976-07-02

1978-06-13

Hecker, Stuart N.

Static information storage and retrieval

Radiant energy

Photoconductive

G11C 1142

Patent

active

040952800

ABSTRACT:
An electrical information or latent image storage system using a storage element which comprises a layer of substantially electrically insulating material having a layer of electrically photosensitive particulate material embedded therein, with a layer of semiconductor material overcoating one surface of the layer of insulating material, and an electrode on the opposite surface of the layer of insulating material. Information in the form of localized electrical charges of an electrical latent image is placed on the element by electrical or photo-electrical means, the information can be retrieved by scanning the element using an electrode-pair grid pattern, an electron beam, or other suitable means, and the retrieved information may be used, for example, through a computer, or reconstructed into a visible image corresponding to a latent image.

REFERENCES:
patent: 3644741 (1972-02-01), Ovshinsky
patent: 3750117 (1973-07-01), Chen et al.
patent: 3806895 (1974-04-01), Tomisawa et al.
Flachbart et al, "Information Storage Display Device", IBM Technical Disclosure Bulletin, vol. 13, No. 8, 1/71, p. 2152.
Holmstrom, "Recording and Read-out System for Electrostatic Information Storage", IBM Technical Disclosure Bulletin, vol. 13, No. 4, 9/70, pp. 1004-1005.

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