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US 6,407,495 B1Granted
Electron beam tube having particular structure of the vacuum envelope containing electron gun
AssigneeEEV Limited
InventorsSteven Bardell, Steven Aitken
Life of this patent
Estimating the term…
Abstract
An electron beam tube includes an electron gun included within a vacuum envelope defined partly by a ceramic cylinder. The ceramic cylinder includes straight sided portions and with an intervening conical section between them. The straight sided portions and form part of two r.f. chokes, being metallized on their inner and outer surfaces and forming a connection with a cavity forming part.
Claims14
An electron beam tube for use in amplifying a high frequency signal comprising:
- an electron gun;
- a vacuum envelope which contains said electron gun, said vacuum envelope including a ceramic cylinder having two straight-sided sections with a conical section between them, said straight sided sections forming part of r.f. choke means.
Dependencies are inferred from the claim text.