Omni-directional X-ray tube

Details Omni-directional X-ray tube Omni-directional X-ray tube

1990-07-20

1991-03-26

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Absorption

378124, 378134, G01N 2302

Patent

active

050035681

ABSTRACT:
Omni-directional X-ray tube having a target which is at least partially surrounded by an annular window passed by the X-rays, the cathode and the electron optics and the targets being designed such that the radiation passing the window is sweeping a larger sector in the plane of the window. The cathode arrangement includes at least two electron sources with an associated electron optics. The formation of the electron optics and of the targets is such that for each electron optic a focal point is generated on the target and the radiation originating from the individual focal points are sweeping about adjacent subsectors which are approximately screened against each other to avoid an overlapping.

REFERENCES:
patent: 2215426 (1940-09-01), Machlett
patent: 2812462 (1957-11-01), Maltby et al.
patent: 2836757 (1958-05-01), Atlee
patent: 3518745 (1964-11-01), Stanhope
patent: 3649861 (1972-03-01), Atlee et al.
patent: 3873837 (1975-03-01), Palermo, Jr.
patent: 4032785 (1977-06-01), Green et al.
patent: 4573186 (1986-02-01), Reinhold
patent: 4679219 (1987-07-01), Ozuki
patent: 4759047 (1988-07-01), Donges et al.

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