Radiant energy – Invisible radiant energy responsive electric signalling – Semiconductor system
Reexamination Certificate
2006-02-07
2006-02-07
Porta, David (Department: 2878)
Radiant energy
Invisible radiant energy responsive electric signalling
Semiconductor system
C250S390110, C250S483100, C117S947000, C252S301330, C252S301170, C252S30140R
Reexamination Certificate
active
06995374
ABSTRACT:
A single crystal scintillator with perovskite structure is described. The crystal is formed by crystallisation from the liquid and has the compositionin-line-formulae description="In-line Formulae" end="lead"?CexLu(1-x-z)AzAl(1-y)ByO3in-line-formulae description="In-line Formulae" end="tail"?where A is one or more of the elements selected from the group comprising Y, Sc, La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, In, and Ga; and B is one or more of the following elements selected from the group comprising: Sc and Ga. The crystal scintillator exhibits a high density and a good scintillation response to gamma radiation.
REFERENCES:
patent: 5242620 (1993-09-01), Dole et al.
patent: 6630077 (2003-10-01), Shiang et al.
patent: 2004/0084655 (2004-05-01), Vartuli et al.
Brandle Charles D.
Lefaucheur Jean-Luc
Fleshner & Kim LLP
Photonic Materials Limited
Porta David
Webb Christoper
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