Sealing members for alumina arc tubes and method of making the s

Details Sealing members for alumina arc tubes and method of making the s Sealing members for alumina arc tubes and method of making the s

1992-09-16

1995-06-20

O'Shea, Sandra L.

Electric lamp and discharge devices

With gas or vapor

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

313624, 313625, 313636, 501152, 501153, H01J 1718, H01J 6136

Patent

active

054263433

ABSTRACT:
Alumina arc tube sealing members including a highly pure, fine alumina doped with yttrium oxide, and magnesium oxide. The sealing members are used in the formation of sintered hermetic seals to a green, prefired, or fully sintered translucent alumina arc tube and niobium electrical feedthrough assemblies with or without the use of sealing frits or brazing alloys.

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