Preparation of oxynitride glass-ceramics

The instant invention is directed to the production of glass-ceramic articles from thermally crystallizable glass compositions containing, by weight, about 40-85% SiO2 and 2.5-17% N as basic constituents and utilizing such modifiers as the alkali metals, the elements of Groups IIA and IIB of the Per...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHYUNG, KENNETH, WUSIRIKA, RAJA R
Format: Patent
Sprache:eng
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