Internally shielded X-ray tube

Details Internally shielded X-ray tube Internally shielded X-ray tube

1978-06-09

1980-01-15

Demeo, Palmer C.

Electric lamp and discharge devices

With radioactive material

313330, H01J 3508, H01J 3516

Patent

active

041840976

ABSTRACT:
An X-ray tube having internal shielding and producing less external stray radiation comprising an evacuated envelope, an X-ray generating target within the envelope, an electron gun positioned within the envelope to direct a stream of electrons at the target, a window arranged to direct the resulting X-rays through the envelope, high density attenuating means located within the envelope and substantially surrounding the target to attenuate high energy photons which do not exit through the window means, and a lower density metal covering about at least a portion of the high density attenuating means in order to reduce the intensity of secondary X-ray emission from the high density attenuating means.

REFERENCES:
patent: 2332422 (1943-10-01), Zunick
patent: 2490246 (1949-12-01), Zunick
patent: 2836749 (1958-05-01), Atlee
patent: 2903611 (1959-09-01), Raine
patent: 2909686 (1959-10-01), Zunick

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