Composition, paste and methods

A composition for sealing inorganic substrates is disclosed, the composition comprising a glass frit and a filler material, wherein said glass frit comprises: 60 to 85 wt% Bi2O3; 3 to 15 wt% ZnO; 2 to 10 wt% B2O3; 0.5 to 5 wt% SiO2; 0.5 to 5 wt% Al2O3; and 0.1 to 0.5 wt% of a compound selected from...

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Bibliographische Detailangaben
Hauptverfasser:	Svetlana N. Emelianova, Maxence Valla, Hong Ren, Edwin Peter Kennedy Currie
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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Beschreibung
Zusammenfassung:	A composition for sealing inorganic substrates is disclosed, the composition comprising a glass frit and a filler material, wherein said glass frit comprises: 60 to 85 wt% Bi2O3; 3 to 15 wt% ZnO; 2 to 10 wt% B2O3; 0.5 to 5 wt% SiO2; 0.5 to 5 wt% Al2O3; and 0.1 to 0.5 wt% of a compound selected from NaF and BaF2. The composition may include a laser absorber. Also disclosed is a method of using the composition to form a bond or seal between inorganic substrates such as glass or metal. The method may use convective or radiative heating. The heat may be supplied by use of a laser. The method may be used to form a vacuum insulated glass unit.