Method for erasing a light recording medium

Details Method for erasing a light recording medium Method for erasing a light recording medium

1985-03-08

1986-07-08

Faber, Alan

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369275, 369288, 346 76L, 346 77E, 346151, 365126, G11B 724

Patent

active

045997187

ABSTRACT:
A method for erasing a light recording medium comprising a thermoplastic resin having a number average molecular weight of 30,000 or less wherein a recording pit is refilled by using a light beam diameter greater than the pit diameter.

REFERENCES:
patent: 3147062 (1964-09-01), Glenn
patent: 3283309 (1966-11-01), Gaynor
patent: 3441939 (1969-04-01), Anderson
patent: 3475760 (1969-10-01), Carlson
patent: 3787873 (1974-01-01), Sato
patent: 4270130 (1981-05-01), Houle
patent: 4320489 (1982-03-01), Crandall
patent: 4359750 (1982-11-01), Howe
patent: 4360908 (1982-11-01), Howe
RCA--Media for High-Density Optical Recording; pp. 382-386, Robert A. Bartolini.
IBM--Infrared Dyes for Optical Storage; pp. 105-109; V. B. Jipson and C. R. Jones.

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