Superconducting electron beam generator

Details Superconducting electron beam generator Superconducting electron beam generator

1981-10-14

1983-11-08

Smith, Alfred E.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

313336, 315 533, H01J 23065

Patent

active

044144873

ABSTRACT:
A superconducting electron beam generator comprising a cavity resonator situated in a refrigerator and containing a superconductive metal member fixed on the cavity end plate, a tip of which member is disposed at the strongest point of a high frequency electric field formed in the cavity. A high quality and high energy coherent electron beam is emitted by the electric field from the tip of the metal member along an axis of the cavity and derived through a minute hole formed through the opposite end plate. This superconducting electron beam generator is particularly suitable for a high resolution electron microscope, a high quality X-ray generator, a crystallographic electron beam apparatus and the like.

REFERENCES:
Zimmer, "Harmonic Generation of Microwaves Produced by a Field-Emission Cathode in a Superconducting Cavity", Applied Physics Letters, vol. 7, No. 11, Dec. (1965) pp. 297-298.
Dietrich et al., "A Proposal . . . ", Optik, vol. 42, No. 5, Jun., 1975, pp. 439-462.

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