Electron beam tubes having a unitary envelope having stepped inner surface
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United States of America Patent
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Oct 13, 1998
Grant Date -
N/A
app pub date -
Aug 3, 1995
filing date -
Aug 3, 1994
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Abstract
An electron beam tube includes a unitary metal cylinder and a plurality of transverse walls located within it which define resonant cavities. As the cylinder is in one piece vacuum joints are only required at the ends of the structure. Drift spaces between the resonant cavities are enclosed within drift tubes which join two adjacent transverse walls. The inner diameter of the tube is stepped to facilitate assembly and accuracy of the structure. In use, an electron beam is generated and interacts with applied r.f. energy to produce amplification of an applied r.f. signal.
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