Method for examining a body with penetrating radiation

Details Method for examining a body with penetrating radiation Method for examining a body with penetrating radiation

1980-09-10

1983-04-19

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Diffraction, reflection, or scattering analysis

378 6, G01N 2320

Patent

active

043808174

ABSTRACT:
Devices that measure the electron density in a body by means of radiation scattered from a narrow pencil beam of penetrating radiation directed through the body, produce defective images on reconstruction of the density distribution because of multiple scattering of radiation. This can of course be reduced by scattered ray diaphragms, but cannot be eliminated entirely. The invention therefore provides a means for detecting the size of the multiple scattered radiation component be measurement. For this purpose, the detector array which measures radiation including the single scattered radiation, is screened, at least osscasionally, from the single scattered radiation and the detected intensity values measured by the detector elements when so screened, are used to correct the values generated by measuring the detected radiation including the single scattered radiation.

REFERENCES:
patent: 4229651 (1980-10-01), Danos
patent: 4258256 (1981-03-01), Harding
patent: 4286156 (1981-08-01), Wagner

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