Tomographic method of x-ray imaging

Details Tomographic method of x-ray imaging Tomographic method of x-ray imaging

1996-03-11

1997-12-09

Wong, Don

X-ray or gamma ray systems or devices

Specific application

Diffraction, reflection, or scattering analysis

378 87, 378 88, G01N 23201

Patent

active

056968060

ABSTRACT:
A method is disclosed for obtaining the density distributions of three-dimensional elements that compose objects or groups of objects, by examining the objects with beams of x-rays or gamma radiation that are transmitted through the object in a plurality of approximately parallel paths and measuring the intensity of the radiation, scattered approximately perpendicular to the parallel paths, in arrays of detectors around the object. The energy of the x-rays or gamma rays is such that dominant interaction in the object is Compton scattering. The density of each element is determined from the totality of measurements by standard mathematical tomographic or relaxation techniques of data manipulation.

REFERENCES:
patent: 5179581 (1993-01-01), Annis
patent: 5420905 (1995-05-01), Bertozzi
patent: 5430787 (1995-07-01), Norton

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