Optical medium

Details Optical medium Optical medium

1983-06-02

1985-07-23

Goldberg, E. A.

Recorders

Record receivers and/or driving means therefor

Laminated, impregnated, or coated bases

428913, 430945, G01D 1534, B32B 1508, G03C 504

Patent

active

045311366

ABSTRACT:
A medium for recording optically readable information, comprising a transparent substrate layer, a semi reflective recording layer of a material which can melt, atomize or evaporate under the influence of light, and a separating layer is disclosed. Holes are put into the separating layer with a regular pattern with the holes extending through the complete thickness of the layer.

REFERENCES:
patent: 4245229 (1981-01-01), Stephens
patent: 4370391 (1983-01-01), Mori et al.
patent: 4383311 (1983-05-01), Ettenberg
patent: 4387381 (1983-06-01), Bell
patent: 4388400 (1983-06-01), Tabei et al.
patent: 4410581 (1983-10-01), Nam

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