Scintillator assembly for alpha radiation detection and an assoc

Details Scintillator assembly for alpha radiation detection and an assoc Scintillator assembly for alpha radiation detection and an assoc

1992-08-12

1994-07-26

Fields, Carolyn E.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

250361R, 2523014R, G01T 1202

Patent

active

053329066

ABSTRACT:
A scintillator assembly for use in conjunction with a photomultiplier or the like in the detection of alpha radiation utilizes a substrate or transparent yttrium aluminum garnet and a relatively thin film of cerium-doped yttrium aluminum garnet coated upon the substrate. The film material is applied to the substrate in a sputtering process, and the applied film and substrate are annealed to effect crystallization of the film upon the substrate. The resultant assembly provides relatively high energy resolution during use in a detection instrument and is sufficiently rugged for use in field environments.

REFERENCES:
patent: 3887451 (1975-06-01), Cuomo et al.
patent: 4550256 (1985-10-01), Berkstresser et al.
patent: 5057692 (1991-10-01), Greskovich et al.
Keda et al, "Dosimetric and Scintillation Properties of Crystals with Garnet Structure", Z. Prikl. Spektrosk, 1984, 41 (5), pp. 867-869, Chem. Ab., vol. 102, abstract No. 34824m, 1985.

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