These stem assemblies consist of a
glass wafer containing a series of hermetically sealed leads and, where required, a
glass tubulation. The metal leads provide electrical feedthrough for evacuated tubes and assemblies. A
tubulation permits easy attachment to a vacuum manifold for evacuation, back filling, and final sealing. We offer production capability from prototype lots to large production runs utilizing Fredericks single- and multi-station sealing machines. Our consistent success...
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