X-ray tube with a flat cathode and indirect heating

Details X-ray tube with a flat cathode and indirect heating X-ray tube with a flat cathode and indirect heating

1989-06-30

1991-08-27

Fields, Carolyn E.

X-ray or gamma ray systems or devices

Source

Electron tube

378137, 378138, H01J 3506

Patent

active

050440055

ABSTRACT:
Problems of thermal resistance of the cathode of an x-ray tube are solved by constructing a flat cathode in the form of a hollow beam. This ensures rigidity of the cathode which is inherent in its beam shape without being attended by the disadvantages of excessive thermal inertia.

REFERENCES:
patent: 3916202 (1975-10-01), Heiting et al.
patent: 4126805 (1978-11-01), Randall
patent: 4344011 (1982-08-01), Hayashi et al.
patent: 4730353 (1988-03-01), Oro et al.
Patent Abstracts of Japan, vol. 2, No. 64 (E-78) [2148], May 27, 1978, p. 2148 E 78, & JP-A-53 30 292.
Patent Abstracts of Japan, vol. 4, No. 157 (E-32) [639], Nov. 4, 1980, p. 131 E 32; & JP-A-55 108 158.

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