High efficiency scintillation detectors

Details High efficiency scintillation detectors High efficiency scintillation detectors

1974-08-16

1976-06-01

Mack, John H.

Compositions

Organic luminescent material containing compositions

Scintillating or lasing compositions

250367, 25230117, 25230136, C09K 1112, G01T 120

Patent

active

039607569

ABSTRACT:
A scintillation counter consists of a scintillation detector, usually a crystal scintillator optically coupled to a photomultiplier tube which converts photons to electrical pulses. The photomultiplier pulses are measured to provide information on impinging radiation. In inorganic crystal scintillation detectors to achieve maximum density, optical transparency and uniform activation, it has been necessary heretofore to prepare the scintillator as a single crystal. Crystal pieces fail to give a single composite response. Means are provided herein for obtaining such a response with crystal pieces, such means comprising the combination of crystal pieces and liquid or solid organic scintillator matrices having a cyclic molecular structure favorable to fluorescence.

REFERENCES:
patent: 2559219 (1951-07-01), Ludeman
patent: 2650309 (1953-08-01), Webb et al.
patent: 2745967 (1956-05-01), Ludeman
patent: 2853620 (1958-09-01), Fox et al.
patent: 2985593 (1961-05-01), Broderick et al.
patent: 3835325 (1974-09-01), Fishman
J. Sharpe, "Nuclear Radiation Detectors," Methuen, London, pp. 140-143.

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