Inorganic scintillator

Details Inorganic scintillator Inorganic scintillator

2007-11-27

2007-11-27

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

Reexamination Certificate

active

11154537

ABSTRACT:
The inorganic scintillator of the invention is an inorganic scintillator capable of producing scintillation by radiation, which is a crystal comprising a metal oxide containing Lu, Gd, Ce and Si and belonging to space group C2/c monoclinic crystals, and which simultaneously satisfies the conditions specified by the following inequalities (1) and (2).in-line-formulae description="In-line Formulae" end="lead"?{ALu/(ALu+AGd)}<0.50  (1)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?{ACe/(ALu+AGd)}≧0.002  (2)in-line-formulae description="In-line Formulae" end="tail"?wherein ALurepresents the number of Lu atoms in the crystal, AGdrepresents the number of Gd atoms in the crystal, and ACerepresents the number of Ce atoms in the crystal.

REFERENCES:
patent: 5264154 (1993-11-01), Akiyama et al.
patent: 6278832 (2001-08-01), Zagumennyi et al.
patent: 2005/0253072 (2005-11-01), Chai
patent: 62-8472 (1987-02-01), None
patent: 7-78215 (1995-08-01), None
patent: 2001-524163 (2001-11-01), None

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