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US 7,161,894 B2Granted
Optical recording article
AssigneeQuantum Corporation
InventorsJohn S. Judge, Jiqun Shao, Warren W. Goller
Life of this patent
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Abstract
Optical recording articles, such as tapes, and methods of making and using such articles are disclosed.
Claims13
An optical phase change tape, comprising, in this order:
- a substrate comprising a polyaramid material;
- a first heat absorbing layer comprising zinc sulfide and silicon oxide;
- an optical recording layer comprising germanium, antimony, and tellurium;
- and
- a second heat absorbing layer comprising zinc sulfide and silicon oxide,
- wherein the optical recording layer is Ge1Sb1Te1.3.
3 more elements
An optical phase change tape, comprising, in this order:
- a substrate comprising a polyaramid material;
- a first heat absorbing layer comprising zinc sulfide and silicon oxide;
- an optical recording layer comprising germanium, antimony, and tellurium;
- and
- a second heat absorbing layer comprising zinc sulfide and silicon oxide,
- wherein the optical recording layer is Ge1Sb1Te2.3.
3 more elements
Dependencies are inferred from the claim text.