Photochromic recording with a recording and erasing temperature

Details Photochromic recording with a recording and erasing temperature Photochromic recording with a recording and erasing temperature

1993-08-23

1995-06-13

Epps, Georgia Y.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369288, 428 64, 428 65, 428913, 430270, 430962, G11B 724, C09B 2700, B41M 526

Patent

active

054250153

ABSTRACT:
Disclosed is a method of recording, reproducing and erasing information on and from an optical recording medium. A first temperature T.sub.1 in the recording and erasing of information is set higher than a second temperature T.sub.2 in the information reproduction. Therefore, information once recorded can surely be maintained in repetitive reproduction.

REFERENCES:
patent: 4837063 (1989-06-01), Irie
patent: 4845240 (1989-07-01), Hibino et al.
patent: 5235582 (1993-08-01), Taniguchi et al.
patent: 5252371 (1993-10-01), Taniguchi et al.
patent: 5281501 (1994-01-01), Tatezono et al.
patent: 5284691 (1994-02-01), Taniguchi et al.
patent: 5316899 (1994-05-01), Miyadera et al.

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