OPTICAL GLASS FOR INFRARED REGION OF SPECTRUM

FIELD: glass industry. SUBSTANCE: invention relates to production of glass for optical aims. Glass comprises the following components, wt.-%: Al2O3, 40-51; CaO, 23-34; MgO, 3-6; BaO, 8-15; Na2O, 0.5-3; K2O, 0.1-1.5; Y2O3, 7-10. For reduction of crystallization SiO2 in the amount 0.55.0 can be added...

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Hauptverfasser:	RUMJANTSEV V.V, SAMUJLOV A.V, SURKOVA V.F, MOLEV V.I, POZDNJAKOV A.E
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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