Scintillator and charged particle radiation apparatus
AssigneeHitachi High-Tech Corporation
InventorsEri Takahashi, Shin Imamura, Makoto Suzuki, Shunsuke Mizutani
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Abstract
The present invention provides: a scintillator which is reduced in the intensity of the afterglow, while having increased luminous intensity; and a charged particle radiation apparatus. A scintillator according to the present invention is characterized in that: a base material, a buffer layer, a light emitting part and a first conductive layer are sequentially stacked in this order; the light emitting part contains one or more elements that are selected from the group consisting of Ga, Zn, In, Al, Cd, Mg, Ca and Sr; and a second conductive layer is provided between the base material and the light emitting part.
Claims15
A scintillator comprising:
- a substrate;
- a buffer layer stacked on the substrate;
- a luminescent unit stacked above the buffer layer;
- and
- a first conductive layer stacked on the luminescent unit,
- wherein the luminescent unit contains one or more elements that are selected from the group consisting of Ga, Zn, In, Al, Cd, Mg, Ca, and Sr,
- wherein a second conductive layer is provided between the substrate and the luminescent unit, and
- wherein the luminescent unit includes a laminate of a plurality of luminescent layers and a plurality of barrier layers that are alternately stacked.
Dependencies are inferred from the claim text.