Reversible optical recording medium of the phase charge type

Details Reversible optical recording medium of the phase charge type Reversible optical recording medium of the phase charge type

1993-01-06

1993-12-14

Ryan, Patrick J.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

428 64, 428 65, 428913, 430495, 430945, 346 76L, 3461351, G03C 1492

Patent

active

052701492

ABSTRACT:
The optical recording medium comprises at least one substrate and at least one storage layer of the phase change type with at least three reversibly interswitchable states of differing optical behavior, the difference in reflectivity between at least one pair of states being greater than between the amorphous and the crystalline state.

REFERENCES:
patent: 3530441 (1970-09-01), Ovshinsky
patent: 3971874 (1976-07-01), Ohta et al.
patent: 4278735 (1981-07-01), Ohta et al.
patent: 4676646 (1987-06-01), Strand et al.
patent: 4731755 (1988-03-01), Bjorklund et al.
Appl. Phys. Letts., vol. 59, No. 10, Mar. 1989, p. 893ff, Maeda et al.

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