Electronic gun for multibeam electron tube and multibeam electron tube with the electron gun
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United States of America Patent
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Nov 14, 2000
Grant Date -
N/A
app pub date -
Jun 8, 1998
filing date -
Jun 13, 1997
priority date (Note) -
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Abstract
The disclosure relates to electron guns comprising several electrodes, including a plurality of cathodes designed for the production, from an emissive face, of an electron beam each. Each of the cathodes is surrounded by a pole piece. This pole piece is designed to convey a magnetic flux close to the emissive face of the cathode. Application to longitudinal-interaction multibeam electron tubes.
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