Method for producing quantum dots
US-12577461-B2 · Mar 17, 2026 · US
Rare earth halide scintillation material
US11685860B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11685860-B2 |
| Application number | US-202017441920-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 30, 2020 |
| Priority date | Nov 1, 2019 |
| Publication date | Jun 27, 2023 |
| Grant date | Jun 27, 2023 |
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Abstract
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A rare earth halide scintillation material the chemical formula of the material being CeBr3+x, wherein 0.0001x0.1. The rare earth halide scintillation material has excellent scintillation properties including high light output, high energy resolution, and fast decay.
First claim
Opening claim text (preview).
The invention claimed is: 1. A rare earth halide scintillation material, wherein the general chemical formula of the rare earth halide scintillation material is CeBr 3+x , wherein 0.0001≤x≤0.1 and the rare earth halide scintillation material contains both Ce 3+ and Ce 4+ . 2. The rare earth halide scintillation material of claim 1 , wherein 0.001≤x≤0.05. 3. The rare earth halide scintillation material of claim 2 , wherein the rare earth halide scintillation material is a single crystal. 4. The rare earth halide scintillation material of claim 2 , wherein the rare earth halide scintillation material is obtained by adopting a Bridgman method for growth. 5. The rare earth halide scintillation material of claim 1 , wherein the rare earth halide scintillation material is a single crystal. 6. The rare earth halide scintillation material of claim 5 , wherein the rare earth halide scintillation material is obtained by adopting a Bridgman method for growth. 7. The rare earth halide scintillation material of claim 1 , wherein the rare earth halide scintillation material is obtained by adopting a Bridgman method for growth. 8. A scintillation detector, comprising the rare earth halide scintillation material of claim 1 . 9. A PET scanning imager, comprising the scintillation detector of claim 8 . 10. A gamma energy spectrometer, comprising the scintillation detector of claim 8 . 11. An oil logging instrument, comprising the scintillation detector of claim 8 . 12. A lithology scanning imager, comprising the scintillation detector of claim 8 . 13. The rare earth halide scintillation material of claim 8 , wherein 0.001≤x≤0.05. 14. The rare earth halide scintillation material of claim 8 , wherein the rare earth halide scintillation material is a single crystal. 15. The rare earth halide scintillation material of claim 8 , wherein the rare earth halide scintillation material is obtained by adopting a Bridgman method for growth.
Assignees
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Classifications
Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method (C30B13/00, C30B15/00, C30B17/00, C30B19/00 take precedence; under a protective fluid C30B27/00) · CPC title
- C09K11/7719Primary
Halogenides (C09K11/7716 takes precedence) · CPC title
with scintillation detectors · CPC title
with scintillation detectors · CPC title
In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis); (using external radiation sources A61B6/02) · CPC title
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- What does patent US11685860B2 cover?
- A rare earth halide scintillation material the chemical formula of the material being CeBr3+x, wherein 0.0001x0.1. The rare earth halide scintillation material has excellent scintillation properties including high light output, high energy resolution, and fast decay.
- Who is the assignee on this patent?
- Grirem Advanced Mat Co Ltd, Grirem Hi Tech Co Ltd, Rare Earth Functional Mat Xiong An Innovation Center Co Ltd, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification C09K11/7719. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jun 27 2023 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).