Vacuum tube electrode structure
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United States of America Patent
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Issued Date -
Nov 11, 2004
app pub date -
Nov 19, 2003
filing date -
Nov 21, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An electrode structure for a vacuum tube is formed by having a ceramic insulating body act as the tube wall. Electrode areas are formed on the inside of the tube by coating the inside of the tube wall with a conductor. These electrode areas are then coupled, as necessary, to external electronic circuits. The coupling may be performed by through-wall connections, metallized abutting connections and other conventional means. The ceramic insulating body may be generally cylindrical in shape and may be formed of a material such as aluminum nitride, beryllium oxide, aluminum oxide and the like.
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