Process of preparation of rare earth silicate phosphor

Details Process of preparation of rare earth silicate phosphor Process of preparation of rare earth silicate phosphor

2006-11-21

2006-11-21

Koslow, C. Melissa (Department: 1755)

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

Reexamination Certificate

active

07138074

ABSTRACT:
A rare earth element-activated rare earth silicate phosphor is prepared by the steps of (1) heating a rare earth carboxylate with an alkoxyalcohol to obtain a solution; (2) adding to the solution a silicon alkoxide and a compound of the element A, to prepare a mixture; and (3) subjecting the mixture to thermal decomposition.

REFERENCES:
patent: 4931312 (1990-06-01), de Leeuw et al.
patent: 5003181 (1991-03-01), Morlotti
patent: 06-287553 (1994-10-01), None
A. Meijerink, W.J. Schipper and G. Blasse,Photostimulated Luminescence and Thermally Stimulated Luminescence of Y2SiO5-Ce, Sm, J. Phys. D: Appln. Phys. 24 (1991), pp. 997-1002, © 1991, IOP Publishing Ltd., Printed in the UK.
R. Visser, C.L. Melcher, J.S. Schweitzer, H. Suzuki and T.A. Tombrello,Photostimulated Luminescence and Thermoluminiscence of LSO Scintillators, IEEE Transactions on Nuclear Science, vol. 41, No. 4, Aug. 1994, pp. 689-693.

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