A glass-metal feedthrough consists of an external conductor, a glass material and an internal conductor. The internal conductor has a coefficient of expansion αinternal, the glass material has a coefficient of expansion αglass, and the external conductor has a coefficient of expansion αexternal. The coefficient of expansion of the internal conductor αinternal is greater than the coefficient of expansion of the glass material αglass and the coefficient of expansion of the external conductor αexternal is at least 2 ppm/K, such as at least 4 ppm/K, greater than the coefficient of expansion of the glass material αglass in the temperature range of 20° C. to the glass transformation temperature.
Glass-metal feedthrough
2022-01-04
Patent
Electronic Resource
English
IPC: | H01J Elektrische Entladungsröhren oder Entladungslampen , ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS / F42B EXPLOSIVE CHARGES, e.g. FOR BLASTING , Explosive Ladungen, z.B. für Sprengungen / H01B CABLES , Kabel / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |