glass-to-metal seal


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glass-to-metal seal

[¦glas tə ¦med·əl ′sēl]
(electronics)
An airtight seal between glass and metal parts of an electron tube, made by fusing together a special glass and special metal alloy having nearly the same temperature coefficients of expansion.
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It is believed that these materials will significantly affect the development of advanced materials for "next-generation" applications such as solid electrolytes for solid-state batteries, laser fusion systems, fluorescent-phosphorescent devices, glass-to-metal seals for high-expansion metal applications, biomaterials, flame retardants, storage materials for nuclear wastes, and in load-bearing organic-inorganic composites.
This simple construction has no electrodes, no glass-to-metal seals and no alien materials inside the capsule.
ARC is focused on continuing to grow its MIM business as well as strengthen its market position in its core manufacturing businesses in Glass-to-Metal Seals, flanges, fittings and wireless equipment.
It demonstrates superior electrical performance while withstanding mechanical and thermal stresses far beyond what can be endured by glass-to-metal seals.