Scintillator crystal having a highly reflective surface

Details Scintillator crystal having a highly reflective surface Scintillator crystal having a highly reflective surface

1984-04-03

1986-12-23

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250368, 2504831, G01T 120

Patent

active

046314091

ABSTRACT:
Scintillators, and more particularly inorganic scintillation crystals such as cadmium tungstate, bismuth germanate, barium fluoride and calcium fluoride are coated with one or more coatings of a highly reflective material such as barium sulfate dispersed in a suitable binder such as sodium silicate 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), Pittingsrud
patent: 4110621 (1978-08-01), Horn
patent: 4220860 (1980-09-01), Carlson et al.
patent: 4267453 (1981-05-01), Kieboom et al.
patent: 4415364 (1983-11-01), Naito et al.
Eastman Kodak Company, Kodak White Reflectance Standard, Kodak White Reflectance Coating, 1980.

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