Nitride glasses and methods of making same

Details Nitride glasses and methods of making same Nitride glasses and methods of making same

1995-05-24

1996-05-21

Robinson, Ellis P.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 40, 501 56, 501 96, 501901, C03C 332, C03C 316

Patent

active

055189709

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.

REFERENCES:
patent: 4070198 (1978-01-01), Chyung
patent: 4546372 (1985-10-01), Shuskus
patent: 4650773 (1987-03-01), Okamura
patent: 4977125 (1990-12-01), Lednor

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