Method of improving dielectric performance of alumino-borosilicate glass

A method of improving dielectric performance of alumino-borosilicate glass includes heating the glass to a heated temperature of at least 400 DEG C and less than 1200 DEG C, keeping the glass at the heated temperature for at least 30 minutes, followed by cooling the glass to a cooled temperature of...

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Bibliographische Detailangaben
Hauptverfasser:	LAMBERSON, LISA ANN, CAI, LING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	A method of improving dielectric performance of alumino-borosilicate glass includes heating the glass to a heated temperature of at least 400 DEG C and less than 1200 DEG C, keeping the glass at the heated temperature for at least 30 minutes, followed by cooling the glass to a cooled temperature of 40 DEG C, over at least 2 hours. In terms of constituents, the glass includes SiO2, Al2O3, B2O3, MgO, and CaO. After the cooling, the glass has a dielectric loss tangent no greater than 0.0020.