High write speed erasable optical recording disk using active se

Details High write speed erasable optical recording disk using active se High write speed erasable optical recording disk using active se

1993-06-18

1995-11-21

Dzierzynski, Paul M.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369120, 369126, 369288, 369292, G11B 724

Patent

active

054694264

ABSTRACT:
An optical recording disk system, which has a light-activated silicon controlled rectifier (LASCR), a resistor, and a recording film in each pixel, is used to record the optical information form the write beam. The write beam triggers the LASCR, which behaves as an optical switch, and lets an electric current pass the LASCR to generate either a thermal effect or an electro-optical effect on the recording film.

REFERENCES:
patent: 4933926 (1990-06-01), Tabei et al.
IEEE Trans. on Electron Devices, vol. ED-28 No. 7, Jul. 1981, Iwamura et al. "Rotating MNOS Disk Memory Device" pp. 854-860.
IBM Technical Disclosure Bulletin vol. 21, No. 6, Nov. 1978, Gunn et al. "Electrostatic Dish File" pp. 2558-2559.

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