Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent
1975-02-26
1977-04-19
Borchelt, Archie R.
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
250336, 250374, G01T 118
Patent
active
040190579
ABSTRACT:
A method and apparatus designed for the purpose of determining quickly and with high resolution the spatial distribution of radioactivity within an object emitting radioactive particles, especially those of low energy. A gas-filled position sensitive detector is used having an elongated electrode wire enclosed inside of and running the length of the detector. The object is placed inside the detector in close proximity to the wire. An electric circuit means is operably connected to the wire to determine the point along the wire at which an emitted particle is sensed. A two-or three-dimensional spatial distribution can be obtained by using a plurality of such wires.
REFERENCES:
patent: 3008051 (1961-11-01), Pocock
patent: 3176135 (1965-03-01), Lovelock
patent: 3277296 (1966-10-01), Dimick et al.
patent: 3483377 (1969-12-01), Borkowski et al.
Nuclear Instruments and Methods, 106 (1973) 397-406, North-Holland Publishing Co.
Borchelt Archie R.
Institut Pasteur
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