INSULATION LAYER-FORMING GLASS COMPOSITION AND INSULATION LAYER-FORMING MATERIAL

PROBLEM TO BE SOLVED: To provide an insulation layer-forming glass composition and an insulation layer-forming material not substantially containing PbO in its glass composition and having good thermal stability of glass, a low softening point and a coefficient of thermal expansion matched to the sh...

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Bibliographische Detailangaben
Hauptverfasser:	KANO KUNIHIKO, KIKUTANI TAKETAMI, IZEKI JUNICHI
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:	PROBLEM TO BE SOLVED: To provide an insulation layer-forming glass composition and an insulation layer-forming material not substantially containing PbO in its glass composition and having good thermal stability of glass, a low softening point and a coefficient of thermal expansion matched to the shrinkage behavior of a glass substrate or the like. SOLUTION: The insulation layer-forming glass composition comprises, by mol, 31-45% ZnO, 25-45% B2O3, 11-25% SiO2, 0-7% Al2O3, 0-12% Li2O, 1-13% Na2O, 0-10% K2O (Li2O+Na2O+K2O=8-17%) and 0-10% BaO as its glass composition, the molar ratio of Na2O to (Li2O+Na2O+K2O) being 0.2-0.8 and PbO not being substantially contained. COPYRIGHT: (C)2009,JPO&INPIT