Thermosensitive data-carrier designed for the recording of infor

Details Thermosensitive data-carrier designed for the recording of infor Thermosensitive data-carrier designed for the recording of infor

1977-10-18

1979-11-27

Dixon, Harold A.

Radiant energy

With infrared or thermal pattern recording

250318, G01C 516

Patent

active

041762770

ABSTRACT:
The present invention relates to data-carrier intended for the high-density recording of information by the use of an etching radiation beam. The data-carrier comprises a substrate upon which there are deposited a very thin film which is absorbent at the wavelength of the etching beam, and a film which is thermodegradable at a temperature lower than the degradation temperature of the absorbent film, the heat developed in the absorbent film being selectively diffused towards the adjacent thermodegradable film.

REFERENCES:
patent: 2699113 (1955-01-01), Hoover
patent: 3558881 (1971-01-01), Gold
patent: 3605620 (1971-09-01), Mueller
patent: 3645204 (1972-02-01), Gosnell
patent: 3732418 (1973-05-01), Lind

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