Inorganic scintillator crystal having a highly reflective surfac

Details Inorganic scintillator crystal having a highly reflective surfac Inorganic scintillator crystal having a highly reflective surfac

1984-04-03

1987-04-14

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250363S, 250368, G01T 120

Patent

active

046581413

ABSTRACT:
Scintillators, and more particularly inorganic scintillation crystals such as cadmium tungstate, bismuth germanate, barium fluoride and calcium fluoride are coated with successive coatings of particulate materials such as barium sulfate and titanium dioxide to provide a highly reflective surface layer capable of providing internal reflection of scintillation events in the region of 200-700 nm. The reflective surface enhances the pulse height and resolution of the scintillator when coupled to a suitable detector such as a photomultiplier tube or a silicon photodiode.

REFERENCES:
patent: 4107534 (1978-08-01), Piltingsrud
patent: 4110621 (1978-08-01), Horn
patent: 4220860 (1980-09-01), Carlson et al.
patent: 4267453 (1981-05-01), Kieboom et al.
Eastman Kodak Company, Kodak White Reflectance Standard, 1980.
Eastman Kodak Company, Kodak White Reflectance Coating, 1980.
Nuclear Enterprises, Inc., Accessories.

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