Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1994-04-19
1995-10-03
Group, Karl
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
501 45, 501 56, 501 96, C03C 332, C03C 311
Patent
active
054552117
ABSTRACT:
The present invention relates generally to a novel and unique class of gly materials and methods of making such materials in which substantially all of the anions are nitride ions, in contrast to the oxide ions of conventional optical glasses, or the fluoride ions of the more recently discovered fluoride optical glasses. The chemical nature of these new glasses dispose the glassy materials to a remarkable combination of desirable properties, including, but not limited to, high hardness, high refractive index and high softening temperature.
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Angell C. Austen
Grande Tor
Holloway John R.
McMillan Paul F.
Arizona Board of Regents acting on behalf of Arizona State Unive
Group Karl
Mybeck Richard R.
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