CATHODE HEATER

An assembly of a Ta inner conductor (20) and a Ta outer sheath (22 or 22′) has an intermediate layer (24) of fused grain alumina or aluminum nitride insulation material. The assembly is swaged and wound to form a helical coil of several wraps. Individual wraps can be of square or rectangular cross-s...

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Bibliographic Details
Main Authors MATHERS ALEXANDER J, MCHENRY VALERIE, MECKEL NICOLE, VOIGT ARNOLD W, SANDERSON THOMAS R
Format Patent
LanguageEnglish
Published 08.07.2010
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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Summary:An assembly of a Ta inner conductor (20) and a Ta outer sheath (22 or 22′) has an intermediate layer (24) of fused grain alumina or aluminum nitride insulation material. The assembly is swaged and wound to form a helical coil of several wraps. Individual wraps can be of square or rectangular cross-section.
Bibliography:Application Number: US20080664034