GLASS COMPOSITION FOR SEALING AND SEALING MATERIAL

PROBLEM TO BE SOLVED: To provide a glass composition for sealing that not only improves the water resistance of tin phosphate glass but also attains appropriate sealing in a low-oxygen atmosphere, especially vacuum atmosphere, and that further allows sealing at low temperature of ≤490°C and excellin...

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Bibliographische Detailangaben
Hauptverfasser:	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 a glass composition for sealing that not only improves the water resistance of tin phosphate glass but also attains appropriate sealing in a low-oxygen atmosphere, especially vacuum atmosphere, and that further allows sealing at low temperature of ≤490°C and excelling in thermal stability; and to provide a sealing material.SOLUTION: The glass composition for sealing has a glass composition containing, by molar percentage in terms of oxide, 30 to 80% SnO, 10 to 25% (not including 25%) PO, 0 to 20% BO, 0 to 20% ZnO, 0 to 10% SiO, 0 to 10% AlO, 0 to 20% WOand 0 to 20% RO (R represents at least one of Li, Na, K and Cs), and is characterized by being employed in sealing in a low-oxygen atmosphere, especially vacuum atmosphere.