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US 8,618,489 B2Granted
Scintillator crystal having phase-separated structure
AssigneeCanon Kabushiki Kaisha
InventorsYoshihiro Ohashi, Nobuhiro Yasui, Toru Den
Life of this patent
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Abstract
A scintillator crystal to be used for a radiation detector such as X-ray CT apparatus has a unidirectional phase-separated structure and provides a light guiding function without forming partitions to prevent any crosstalk. The scintillator crystal comprises a phase-separated structure including a plurality of first crystal phases of the columnar crystals with unidirectionality and a second crystal phase covering lateral surfaces of the first crystal phases. At least the second crystal phase comprises CuI and emits light when excited by radiation.
Claims9
A scintillator crystal, comprising:
- a plurality of first crystal phases with unidirectionality;
- and
- a second crystal phase covering lateral surfaces of the first crystal phases, wherein
- the second crystal phase comprises CuI.
1 more element
Dependencies are inferred from the claim text.