Glass for an EEFL fluorescent lamp, process for making the glass and devices including articles made with the glass

Glass for gas discharge tubes, which are used in fluorescent lamps, especially EEFL and miniaturized lamps, LCD displays, computer monitors, telephone displays and TFT displays, and a process for making it are described. The glass contains, in % by weight based on oxide content: SiO2, 60-85; B2O3, 0...

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Bibliographische Detailangaben
Hauptverfasser:	HUEBER BRIGITTE, FECHNER JOERG, OTT FRANZ
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY 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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Beschreibung
Zusammenfassung:	Glass for gas discharge tubes, which are used in fluorescent lamps, especially EEFL and miniaturized lamps, LCD displays, computer monitors, telephone displays and TFT displays, and a process for making it are described. The glass contains, in % by weight based on oxide content: SiO2, 60-85; B2O3, 0-10; Al2O3, 0-10; Li2O, 0-10; Na2O, 0-20; K2O, 0-20; MgO, 0-8; CaO, 0-20; SrO, 0-5; BaO, 0-5; ZnO, 0-8; ZrO2, 0-5; TiO2, 0-10; Fe2O3, 0-5; CeO2 0-5; MnO2, 0-5; Nd2O3, 0-1.0; WO3, 0-2; Bi2O3, 0-5; MoO3, 0-5; PbO, 0-5; As2O3, 0-1; Sb2O3, 0-1; SO42-, 0-2; Cl-, 0-2 and F-, 0-2, wherein Sigma Li2O+Na2O+K2O=5-25% by weight; Sigma MgO+CaO+SrO+BaO=3-20; Sigma Fe2O3+CeO2+TiO2+PbO+As2O3+Sb2O3 is at least 0-10; and Sigma PdO+PtO3+PtO2+PtO+RhO2+Rh2O3+IrO2+Ir2O3 is 0.1.