X-ray computed tomography system

Details X-ray computed tomography system X-ray computed tomography system

1991-07-22

1996-02-06

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 9, 378 16, H05G 160

Patent

active

054901936

ABSTRACT:
This invention provides a compact X-ray CT system capable of obtaining an X-ray CT image having high resolution at a high speed by deflecting a predetermined electron beam and causing the finely focused electron beam to scan on an arcuate anode target inside the same plane as the arcuate anode target for an X-ray source. The anode target for an X-ray source and a detector are disposed in the form of arcs inside substantially the same plane so as to face each other. The electron beam emitted from an electron gun is guided to a deflector through a lens system, is then deflected to a arc form trajectory by a uniform magnetic field generated by the deflector and is guided to the anode target after a reverse magnetic field is applied to the electron beam at a desired position. This electron beam is caused to scan on the anode target at a high speed so as to move the generation position of the X-ray and thus to obtain a sectional image.

REFERENCES:
patent: 4672649 (1987-06-01), Rutt
patent: 4866745 (1989-09-01), Akai

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