Thermo-optical data writing process and data medium for performi

Details Thermo-optical data writing process and data medium for performi Thermo-optical data writing process and data medium for performi

1981-01-21

1983-09-13

Hecker, Stuart N.

Static information storage and retrieval

Information masking

Thermoplastic

3461351, 365120, 369100, 369275, G11C 1146, G11C 1304

Patent

active

044046561

ABSTRACT:
A thermo-optic data writing process and record in which focussed radiation is directed onto a data medium made up of a substrate, an organic layer directly deposited thereon with the interface therebetween being non-reflective and, on the organic layer, a metal layer of an alloy of metals selected to provide desired adhesion, range of deformation and shock resistance to rupture, for example, incorporating gold, silver or copper. Gas evolution by local degradation of the organic layer produces a bubble in the metal.

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Anderson, "Materials for Thermoplastic Recording by Heat Alone", IBM Tech. Disc. Bul., vol. 6, No. 12, 5/64, p. 3.
Tolle et al., "Fast Imaging in Pbl.sub.2 Films", Applied Physics Letters, vol. 26, No. 6, 3/15/75, pp. 349-351.
Wrobel, "Medium, Process and System for Recording Information", European Patent Application, No. 3,262, 8/8/79.
Katov, Abstract of Japan Patent 54-96002, 10/6/79.

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