Titanium-doped hafnium oxide scintillator and method of making the same
US6858159B2 · kind B2 · utility
40Cited by
12References
46Claims
0Family size
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Key dates
| Filing date | Mar 28, 2002 |
| Grant date | Feb 22, 2005 |
| Priority date | — |
| Expiry date | Feb 17, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/9653
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Hafnium oxide HfO2 scintillator compositions are doped with titanium oxide and at least an oxide of a metal selected from the group consisting of Be, Mg, and Li. The scintillator compositions can include sintering aid material such as scandium and/or tin and a rare earth metal and/or boron for improved transparency. The scintillators are characterized by high light output, reduced afterglow, short decay time, and high X-ray stopping power. The scintillators can be used as detector elements in X-ray CT systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.