Inventors:
William H. Rhodes - Lexington MA
Alfred E. Feuersanger - Framingham MA
Rodrigue Thibodeau - Marblehead MA
Assignee:
Osram Sylvania Inc. - Danvers MA
International Classification:
C04B 3510
C04B 35117
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.