Ultrahigh speed X-ray CT scanner

Details Ultrahigh speed X-ray CT scanner Ultrahigh speed X-ray CT scanner

1987-03-30

1989-09-12

Fields, Carolyn E.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 10, 378137, A61B 603, G01N 2308

Patent

active

048667455

ABSTRACT:
An X-ray CT scanner comprises a plurality of X-ray generators which are arranged radially on a circle concentric with an object for measurement and each consists of a cathode electrode, an anode electrode constituting a target and a grid between the cathode and anode electrodes. For X-ray tomography, X-rays are projected onto the objects from the circle concentric therewith by sequentially temporarily removing a bias voltage applied to the grids of the respective X-ray generators for suppressing an electron beam directed from the cathode electrode to the anode electrode of each X-ray generator.

REFERENCES:
patent: 4223225 (1980-07-01), Laffitte et al.
patent: 4274005 (1981-06-01), Yamamura et al.
patent: 4289969 (1981-09-01), Cooperstein et al.
patent: 4592079 (1986-05-01), Sohval et al.

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