Storage device having a semiconductor target

Details Storage device having a semiconductor target Storage device having a semiconductor target

1971-05-19

1984-12-25

La Roche, Eugene R.

Electric lamp and discharge devices

Cathode ray tube

Storage

313395, 313399, 315 851, 328124, H01J 3158

Patent

active

044906439

ABSTRACT:
An information storage device having an evacuated envelope containing writing means which is adapted to produce, in response to an input signal and by causing emission of secondary electrons, a charge pattern on a storage target disposed within the envelope. The storage target includes a semiconducting layer and a storage layer providing alternate semiconducting regions and storage regions. The semiconducting layer consists essentially of semiconductor material of substantially single conductivity type and the storage regions consist essentially of a secondary electron-emissive insulating compound of a semiconductor material. One of the two layers is interrupted and exposes portions of the other layer. A collector electrode disposed within the envelope intercepts the secondary electrons emitted by the target. The target is provided with means for applying electrical potential thereto and extracting signals therefrom.

REFERENCES:
patent: 3523208 (1970-08-01), Bodmer et al.
patent: 3541384 (1970-11-01), Shortes
patent: 3631294 (1971-12-01), Hofstein
patent: 4302703 (1981-11-01), Gordon

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