Radiography

Details Radiography Radiography

1976-02-05

1978-09-12

Church, Craig E.

Radiant energy

Inspection of solids or liquids by charged particles

Analyte supports

250490, G03B 4116

Patent

active

041140400

ABSTRACT:
In computerized axial tomographic apparatus, arranged to provide an image of the variation of absorption coefficient over a planar slice of a patient's body, means are described for permitting a region of particular interest, within said slice, to be investigated in detail. To this end, the body is irradiated with a spread of radiation in the plane of said slice, the spread being rotated around the body. During the rotation the median line of the spread is not generally concurrent with the axis of rotation, but instead is preferably concurrent with the center of said region of particular interest.

REFERENCES:
patent: 3937963 (1976-02-01), Hounsfield
patent: 3946234 (1976-03-01), Hounsfield

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