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Apparatus for examining bodies by means of penetrating radiation

Patent ·
OSTI ID:5776360
An apparatus is disclosed for examining a body by means of penetrating radiation in which the radiation is provided in the form of a sector subtending a predetermined angle at the radiation source and detected by an array of detectors in the plane of the sector. The source and detectors are scanned laterally in the plane of the sector and orbited about an axis perpendicular to that plane at an angular rate which takes account of the angle subtended by the sector. Output signals produced by the detectors, related to radiation incident at different angles in the sector during the scanning movements, are used to construct a distribution of absorption coefficients for a planar slice of the body. 5 claims.
Assignee:
EMI Ltd.
Patent Number(s):
US 4103169
OSTI ID:
5776360
Country of Publication:
United States
Language:
English

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Related Subjects

440100* -- Radiation Instrumentation
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
DIAGNOSTIC TECHNIQUES
DOSES
ELECTRONIC EQUIPMENT
EQUIPMENT
MEASURING INSTRUMENTS
MEASURING METHODS
OPTICAL EQUIPMENT
OPTICAL SCANNERS
PATIENTS
RADIATION DETECTORS
RADIATION DOSES
RADIATION SOURCES
X-RAY EQUIPMENT