Cermet insert high voltage holdoff for ceramic/metal vacuum devi

Details Cermet insert high voltage holdoff for ceramic/metal vacuum devi Cermet insert high voltage holdoff for ceramic/metal vacuum devi

1986-03-11

1987-11-03

Moore, David K.

Electric lamp and discharge devices

With gas or vapor

Having electrode lead-in or electrode support sealed to...

313636, 313289, 174 5061, H01J 526, H01J 536, H01J 6136

Patent

active

047045574

ABSTRACT:
An improved metal-to-ceramic seal is provided wherein the ceramic body of the seal contains an integral region of cermet material in electrical contact with the metallic member, e.g., an electrode, of the seal. The seal is useful in high voltage vacuum devices, e.g., vacuum switches, and increases the high-voltage holdoff capabilities of such devices. A method of fabricating such seals is also provided.

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