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US 6,281,151 B1Granted
Transparent lanthanum fluoride glass-ceramics
AssigneeCorning Incorporated
InventorPaul A. Tick
Life of this patent
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Abstract
The present invention relates to a transparent glass-ceramic material which includes a glass matrix and a crystalline phase of lanthanum fluoride crystals in the glass matrix, where the transparent glass-ceramic material contains no silica. The present invention further relates to a method of producing the transparent glass-ceramic material.
Claims23
A transparent glass-ceramic material comprising:
- a glass matrix and
- a crystalline phase of lanthanum fluoride crystals in the glass matrix, wherein the transparent glass-ceramic material contains no silica.
A method of making a transparent glass-ceramic material comprising:
- providing a glass matrix and treating the glass matrix under conditions
- effective to produce the transparent glass-ceramic material comprising a glass matrix and a crystalline phase of lanthanum fluoride crystals in the glass matrix, wherein the transparent glass-ceramic material contains no silica.
Dependencies are inferred from the claim text.