X-ray tomographic imaging system and method

Details X-ray tomographic imaging system and method X-ray tomographic imaging system and method

1988-02-16

1989-10-03

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 20, 378 58, 378 17, G01B 1506

Patent

active

048721875

ABSTRACT:
In an X-ray tomographic imaging system and method, an object to be inspected is irradiated with X-rays from an X-ray source to obtain an X-ray transmission image of the object. The X-ray transmission image is converted by an X-ray fluorescence image intensifier into a detection image. The intensity of the detection image is also intensified by the X-ray fluorescence image intensifier. A photo-electric converter converts the intensified detection image from the X-ray fluorescence image intensifier into an electrical signal. The object to be inspected is held by an object holder rotatably at a position in proximity to the X-ray source and movably in a direction of the axis of rotation of the object and a direction perpendicular to the rotation axis. The electrical signal from the photo-electric converter is processed to a cross-sectional image.

REFERENCES:
patent: 4164657 (1979-08-01), Duinker et al.
patent: 4691332 (1987-09-01), Burstein

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