Method and apparatus for erasing and recording information using

Details Method and apparatus for erasing and recording information using Method and apparatus for erasing and recording information using

1987-10-27

1990-07-03

McElheny, Jr., Donald

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

3692752, 369275, G11B 7125

Patent

active

049397176

ABSTRACT:
In a single beam overwrite method, wherein optical recording medium having thin recording film capable of reversible change of phase by irradiating different level laser lights, etc., the laser light is modulated to have three energy levels, i.e., a recording power level, an erasing power level and a very short time of cooling power level which is provided immediately after the recording power level.

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English Translation of sho 56-145530.
Proceedings of SPIE vol. 420 (1983), pp. 173-177.

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