Erasable optical recording materials and methods based on...

Details Erasable optical recording materials and methods based on... Erasable optical recording materials and methods based on...

G - Physics

11

B

G11B 7/24 (2006.01) G11B 7/00 (2006.01) G11B 7/0055 (2006.01) G11B 7/243 (2006.01)

Patent

CA 2049762

-0- ERASABLE OPTICAL RECORDING MATERIALS AND METHODS BASED ON TELLURIUM ALLOYS Abstract of the Disclosure An optical recording element comprising a thin film of an alloy is disclosed. The alloy is represented by the formula Tea(SbxSnyInz)1-a wherein a is between about 0.38 and 0.62; x is between about 0.05 and 0.65; y divided by z is between about 0.5 and 5; with the proviso that the product of (y+z) and (1-a) is greater than about 0.20. The alloys have improved data stability while retaining excellent write-erase characteristics.

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