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2 082 742

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IPC

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Application

93032994/25, 1993-07-01

(22)

Actual filing date

1993-07-01

(45)

Published

1997-06-27

(72)

Inventor

Glagoleva A.A.Boev Eh.I.

(73)

Holder

Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektnyj Institut Redkometallicheskoj Promyshlennosti

METHOD OF PIGMENTING LUMINOPHORS Russian patent published in 1997 - IPC

Abstract RU 2082742 C1

FIELD: television screens. SUBSTANCE: reactor is filled with demineralized water, to which europium-activated luminophor based on yttrium oxide and/or oxysulfide is added under stirring. Into the second reactor with water, iron oxide suspension containing 0.01-1 g oxalic acid per 1 kg luminophor is added. Pigment suspension is added to luminophor suspension under stirring. Precipitate is filtered off and dried at 110 C. EFFECT: satisfactory quality of pigment-to-luminophor adhesion and density of crystal package in mosaic elements with high light parameters of kinescope retained.

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RU 2 082 742 C1

Authors

Glagoleva A.A.

Boev Eh.I.

Dates

1997-06-27—Published

1993-07-01—Filed

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