Phase change materials for storage media

Details Phase change materials for storage media Phase change materials for storage media

2004-01-22

2008-08-05

Mulvaney, Elizabeth (Department: 1794)

Stock material or miscellaneous articles

Circular sheet or circular blank

C428S064400, C428S064500, C430S270130

Reexamination Certificate

active

07407696

ABSTRACT:
Phase-change compounds, and optical storage recording media, for recording and/or storage of data, comprising such compounds, according to the formula XSbySz; wherein X is selected from the group consisting of K, Rb, Tl, Na, Li, Cs and mixtures thereof; and wherein y is about 1 or about 5, and z is about 1 or about B. Preferably, X is K, y is 5 and z is B. Also provided are optical recording media comprising a layer of the phase-change material and methods of creating a reversible phasechange by irradiating the material with a laser radiation.

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patent: 6866910 (2005-03-01), Kamezaki et al.
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