CATHODE HEATER
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United States of America Patent
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Issued Date -
Jul 8, 2010
app pub date -
Jun 13, 2008
filing date -
Jun 13, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
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.
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