Thermo-optic information writing process and information support

Details Thermo-optic information writing process and information support Thermo-optic information writing process and information support

1983-07-11

1986-04-29

Fears, Terrell W.

Static information storage and retrieval

Information masking

Thermoplastic

369127, 346 76L, 430348, G11C 1146

Patent

active

045861650

ABSTRACT:
The invention relates to thermo-optic writing on an information support comprising a substrate on which there is deposited an organic sub-layer covered by a metal layer.
The invention provides a writing process which consists in creating in the metal layer a plastic deformation due to the thrust exerted by the localized swelling of the sub-layer. The writing produces a relief impression without piercing of said metal layer.

REFERENCES:
patent: 4004080 (1977-01-01), Vossen et al.
patent: 4264986 (1981-04-01), Willis
patent: 4285056 (1981-08-01), Bell
patent: 4300227 (1981-11-01), Bell
Anderson, "Materials for Thermoplastic Recording by Heat Alone", IBM Tech. Disc. Bull., vol. 6, No. 12, 5/64, p. 3.
Katou, Abstract of Japan Patent 54-96002, 10/6/79.

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