Thermionic cathode structure

Details Thermionic cathode structure Thermionic cathode structure

1988-07-22

1989-11-07

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

219 6912, 219 6917, H01J 904

Patent

active

048788660

ABSTRACT:
A thermionic cathode structure comprises two parallel thermionic electron emitter elements which are made of a heat resistant and electric conductive inorganic compound. Each of them has one end electrically closed and the other end functioning as a current feeding port.

REFERENCES:
patent: 1735080 (1929-11-01), Hertz
patent: 1815229 (1931-07-01), Berthold et al.
patent: 1934369 (1933-11-01), Mendenhall
patent: 1934378 (1933-11-01), Ronci et al.
patent: 2071849 (1937-02-01), Lowry
patent: 2263169 (1941-11-01), Evans
patent: 2421039 (1947-05-01), Segerstorm, Jr.
patent: 2494895 (1950-01-01), Mulder
patent: 2916651 (1959-12-01), Upshaw
patent: 3025428 (1962-03-01), Krefft
patent: 3255375 (1966-06-01), Ward
patent: 3259784 (1966-07-01), Vogel
patent: 3287591 (1966-11-01), Sloan
patent: 3307924 (1967-03-01), Davis
patent: 3514661 (1970-05-01), Reaves
patent: 3737714 (1973-06-01), Theodosopolous et al.
patent: 3745403 (1973-07-01), Misumi
patent: 3752950 (1973-08-01), Castanguay
patent: 3772560 (1973-11-01), Orthuber
patent: 3783330 (1974-01-01), Nakanishi et al.
patent: 4002884 (1977-01-01), Weiss
patent: 4703556 (1987-11-01), Wilsey
patent: 4795940 (1989-01-01), Leung et al.
"Multicusp H.sup.- Ion Source at KEB (II)" published on 1985 from Tokagi et al, Proceedings 9th Symp. on ISIAT in Tokyo, pp. 109-110.
"Ion Source Technology" by Junzo Ishikawa published in May 1986 (Copy Attached), in Japan pp. 440-445.
Leungi, "Directly Heated LaB.sub.6 Cathodes for Ion Source Operation", Vacuum, vol. 36, Nos. 11-12, pp. 865 to 867, published on 1986 (Copy attached) by Pergamon Journals Ltd., pp. 1717-1722.
Goebel et al, "Large-Area Lanthanum Hexaboride Electron Emitter", published in Sep. 1985, Review Sci. Instruments, 56(9).
Ohara et al, "3D Simulation of the Prmary Electron Orbits in a Magnetic Multi-Pole Plazma Source", published on 1986 from Proceedings 10 Symp. on ISIAT in Tokyo.

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