Radiant energy – Radiation controlling means
Patent
1976-10-26
1977-10-25
Willis, Davis L.
Radiant energy
Radiation controlling means
250445T, G02B 500
Patent
active
040557715
ABSTRACT:
A test body is provided for determining an operating characteristic of a tomographic apparatus of the type that scans a human body member with an X-ray beam along an edge of a slice through the member, accumulates data in electrical form which is representative of the variations in the intensity of X-ray transmission through the body during a plurality of scans and reconstructs a cross sectional image of the slice from the accumulated data. The body comprises an energy absorption means which is arranged in a predetermined configuration and is adapted for absorbing electromagnetic energy from an impinging X-ray beam. The body also includes support means for positioning the energy absorbing means between a scanning X-ray beam and a detector of the apparatus.
REFERENCES:
patent: 3509337 (1970-04-01), DeClerk et al.
patent: 3657534 (1972-04-01), DeClerk et al.
Clayman William
Goodenough David John
Smrcka Joseph G.
Weaver Kenneth E.
Alderson Research Laboratories, Inc.
Willis Davis L.
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