Information recording medium

Details Information recording medium Information recording medium

1983-11-08

1985-06-25

Herbert, Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

3461351, 346137, 428209, 428457, 428913, B32B 1504, G01D 1534

Patent

active

045254125

ABSTRACT:
An information recording medium which includes a light-transmitting substrate, a recording layer formed on the substrate, the recording layer having the characteristic of changing an optical characteristic upon heating thereof, together with a protective layer having light-absorbing properties disposed over the recording layer and arranged to absorb light passing through the recording layer upon recording, in combination with a planar layer superimposed on the protective layer and capable of suppressing mechanical deformation of the recording layer.

REFERENCES:
patent: 4397923 (1983-08-01), Yasuda et al.
patent: 4414273 (1983-11-01), Wada et al.
patent: 4460636 (1984-07-01), Watanabe

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