Neutron detector and method

Radiant energy – Invisible radiation responsive nonelectric signalling – Luminescent device

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25039001, 25039002, G01T 300, G01T 306

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active

053348400

ABSTRACT:
Neutron detector and method utilizing carbon infiltrated boron nitride in its hexagonal form. When exposed to thermal neutrons, this material has been found to scintillate or emit more photons of light per thermal neutron than materials heretofore employed as neutron detectors. The emission of light is further enhanced by enriching the boron nitride in Boron-10, and for neutron radiography, a single emulsion film is placed in direct contact with a carbon activated face of the boron nitride.

REFERENCES:
patent: 2945128 (1960-07-01), Sun et al.
patent: 4620939 (1986-11-01), Maeda et al.
patent: 5130549 (1992-07-01), Davies et al.
Ananthanaramanan et al., "Boron Compounds for Thermal Neutron Detection", Nucl. Inst. & Meth., vol. 118, 1974, pp. 45-48.
Okawara et al., `Neutron Radiography of Fast Transient Processes`, Nuclear Technology, vol. 31, Nov. 1976, pp. 250-256.
Matsumoto et al., `A Boron Nitride Scintiliation Converter for Neutron Radiography`, Materials Evaluation, 42, Oct. 1984, pp. 1379-1388.

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