Radiation scanning and measuring device

Details Radiation scanning and measuring device Radiation scanning and measuring device

1982-07-19

1985-04-16

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Plural signalling means

2503581, 378 51, 378147, G01T 129

Patent

active

045118019

ABSTRACT:
A scanning device for examining an object with gamma rays with shielding for protection from radiation and protection of the mechanism from heat by a cooling jacket formed by spaced plates around the object. The shielding is formed by a pair of shutter-halves forming a lead shutter with mechanism to move the shutter-halves toward and away from each other and one of the shutter-halves mounted on a rotating drum which also carries three gamma ray sources. Gamma ray detectors are mounted in a circle concentric and outside the circle of the sources.

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patent: 3684887 (1972-08-01), Hugonin
patent: 3808437 (1974-04-01), Miyagawa et al.
patent: 3835323 (1974-09-01), Kahil
patent: 4200800 (1980-04-01), Swift
patent: 4284895 (1981-08-01), Morgan et al.
patent: 4352018 (1982-09-01), Tanaka et al.
R. C. Potter, J. L. Uher, D. C. Clark and L. B. Dauelsberg, "FMIT Beamstop", IEEE Transactions on Nuclear Science, vol. NS-28, No. 3, (Jun. 1981), pp. 2821-2822.
Publication "Now Industry Puts the CAT Scanner to Work", Business Week, Sep. 21, 1981, p. 124D.

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