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Apparatus for examining bodies by means of penetrating radiation

Patent ·
OSTI ID:5914188
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.
Assignee:
EMI Ltd.
Patent Number(s):
US 3946234
OSTI ID:
5914188
Country of Publication:
United States
Language:
English

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Related Subjects

440100* -- Radiation Instrumentation
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
550600 -- Medicine
62 RADIOLOGY AND NUCLEAR MEDICINE
ABSORPTION
BIOMEDICAL RADIOGRAPHY
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
IMAGE SCANNERS
MEASURING INSTRUMENTS
MEASURING METHODS
MEDICINE
NUCLEAR MEDICINE
PATIENTS
RADIATION DETECTORS
RADIOLOGY
X-RAY EQUIPMENT