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Application

2002110949/12, 2002-04-24

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Start date

2002-04-24

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Actual filing date

2002-04-24

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Published

2003-04-10

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Inventor

Devitsin E.G.Zadneprovskij B.I.Kozlov V.A.Nefedov V.A.Poljanskij E.V.Potashov S.Ju.Terkulov A.R.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Sinteza Mineral'Nogo Syr'Ja"

METHOD OF OBTAINING SCINTILLATION MONOCRYSTALS OF LEAD TUNGSTATE Russian patent published in 2003 - IPC

Abstract RU 2202011 C1

FIELD: methods of obtaining crystals, namely monocrystals of lead tungstate. SUBSTANCE: method includes pulling the monocrystals from melt containing lead and tungsten oxides in presence of additives of alloying elements in gas medium followed by annealing grown monocrystals in atmosphere of pure inert gas at pressure of 0.8-1.5 atm and temperature of 780-950 C. Proposed method enhances radioactive resistance of scintillation monocrystals of lead tungstate PbWO4 to ionizing radiation. EFFECT: extended field of application. 6 dwg, 1 tbl, 1 ex

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RU 2 202 011 C1

Authors

Devitsin E.G.

Zadneprovskij B.I.

Kozlov V.A.

Nefedov V.A.

Poljanskij E.V.

Potashov S.Ju.

Terkulov A.R.

Dates

2003-04-10—Published

2002-04-24—Filed

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