Image storage and optical read-out device having striped electro

Details Image storage and optical read-out device having striped electro Image storage and optical read-out device having striped electro

1977-06-13

1979-04-24

Konick, Bernard

Static information storage and retrieval

Radiant energy

Photoconductive and ferroelectric

340166FE, 365127, G11C 1122, G11C 1304

Patent

active

041516044

ABSTRACT:
An image storage-reproduction recording element comprises a thin ceramic plate 2 in which adjacent ferroelectric and antiferroelectric phases can coexist, a first transparent electrode 6 overlying one surface of the plate, and, in order, a non-conductive mirror layer 3, a photoconductive layer 4, and a periodically striped second transparent electrode 5 overlying the other surface of the plate. The striping produces a correspondingly striped ferroelectric and antiferroelectric pattern in the plate during recording in those areas of the plate exposed to the image, which reduces the reflected light and improves the image contrast during readout.

REFERENCES:
patent: 3589896 (1971-06-01), Wilcox
patent: 3681765 (1972-08-01), Chapman
patent: 3702724 (1972-11-01), Land et al.
patent: 3747075 (1973-07-01), Keneman et al.
patent: 3906462 (1975-09-01), Feinleib et al.
patent: 3926520 (1975-12-01), Kaufman
patent: 3967253 (1976-06-01), Tsuruishi
patent: 4051463 (1977-09-01), Snyder et al.

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