Ceramic Scintillator

Overview

A scintillator is a substance that absorbs rays, such as X rays and gamma rays, and makes; them visible to the human eye. Scintillators are used primarily in X-ray computer tomography (CT) and other medical equipment, analytical devices, gamma radiation in nondestructive inspection equipment and devices for detecting radiation leaks. At Hitachi Metals, we have developed high-density, highly functional ceramic scintillators.

Features of Hitachi Metals' Ceramic Scintillator

A Comparison between Hitachi Metals' Ceramic Scintillators and Other Materials

Material Code Hitachi Metals' Material Other Materials
Item LS-1 LS-3 CdW04 CsI(Tl)
Width (mm) 1.1 2.0 2.0
Fluorescent spectram (nm) 512 512 460 510
Optical transmittance (% at peak wave length) 29~31 69 89
Sensitivity (CWO ratio) 1.9 2.1 1.0 1.8
X-ray transmittance ratio (% at 120kV) 2~3 2~3 0.8 1.6
Damping time variable (μsec) 3 3 5 -
Afterglow (% at 300msec) 0.001 0.001 0.0002 0.0850
Applications Medical and industrial X-rays, CT detection devices, etc. Medical and industrial X-rays, CT detection devices, etc. (Measurements and comparisons made by Hitachi Metals)

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