Reflective or Semi-Reflective Metal Alloy Coatings
First Claim
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1. An optical storage medium having a reflective or semi-reflective coating, said coating comprising an alloy, said alloy comprising:
- (a) silver in an amount of between approximately 45% by weight and approximately 99.9% by weight;
(b) copper in an amount of between approximately 0.01% by weight and approximately 55% by weight;
(c) zinc in an amount of between approximately 0.01% by weight and approximately 55% by weight, and (d) tin in an amount of between approximately 0.01% by weight and approximately 30% by weight; and
wherein said copper is present in said alloy in an amount greater than about 5.0 atomic percent.
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Abstract
A silver-based alloy composition for use as a reflective or semi-reflective coatings or layer(s) for use in optical data storage media, low emissivity glass, transparent conductive displays, and electro-chromic mirrors, or other reflective or semi-reflective applications. The alloy composition comprises silver with copper and/or zinc and silicon and/or tin.
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Citations
9 Claims
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1. An optical storage medium having a reflective or semi-reflective coating, said coating comprising an alloy, said alloy comprising:
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(a) silver in an amount of between approximately 45% by weight and approximately 99.9% by weight;
(b) copper in an amount of between approximately 0.01% by weight and approximately 55% by weight;
(c) zinc in an amount of between approximately 0.01% by weight and approximately 55% by weight, and (d) tin in an amount of between approximately 0.01% by weight and approximately 30% by weight; and
wherein said copper is present in said alloy in an amount greater than about 5.0 atomic percent. - View Dependent Claims (2, 3)
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4. An optical storage medium having a reflective or semi-reflective coating, said coating comprising an alloy, said alloy comprising:
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(a) silver in an amount of between approximately 45% by weight and approximately 99.9% by weight;
(b) copper in an amount of between approximately 0.01% by weight and approximately 55% by weight;
(c) zinc in an amount of between approximately 0.01% by weight and approximately 55% by weight, and (d) silicon in an amount of between approximately 0.01% by weight and approximately 30% by weight; and
wherein said copper is present in said alloy in an amount greater than about 5.0 atomic percent. - View Dependent Claims (5, 6)
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7. An optical storage medium having a reflective or semi-reflective coating, said coating comprising an alloy, said alloy comprising:
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(a) silver in an amount of between approximately 45% by weight and approximately 99.9% by weight;
(b) copper in an amount of between approximately 0.01% by weight and approximately 55% by weight; and
(c) at least one metal selected from the group consisting of silicon and tin in an amount of between approximately 0.01% by weight and 30% by weight; and
wherein said copper is present in said alloy in an amount greater than about 5.0 atomic percent. - View Dependent Claims (8, 9)
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Specification