PRECISION PRESSED GLASS OBJECT, GLASS, METHOD OF PREPARING GLASS

Glass objects, lenses in particular, can be pressed with precision from a glass which contains 45-55 mol. % P2O5, 15-40 mol. % BaO, 5-15 mol. % Li2O, 5-35 mol. % PbO, 0-2 mol. % Al2O3 and 0-6 mol. % F.

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Bibliographische Detailangaben
Hauptverfasser:	JOORMANN, HENDRIK JACOBUS MARIA, HAISMA, JAN, VERWEIJ, HENDRIK
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 OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	Glass objects, lenses in particular, can be pressed with precision from a glass which contains 45-55 mol. % P2O5, 15-40 mol. % BaO, 5-15 mol. % Li2O, 5-35 mol. % PbO, 0-2 mol. % Al2O3 and 0-6 mol. % F.