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2 462 781

(13)

(51)

IPC

H01J1/144(2006-01-01)

(21) (22)

Application

2011109632/07, 2011-03-14

(24)

Start date

2011-03-14

(22)

Actual filing date

2011-03-14

(45)

Published

2012-09-27

(72)

Inventor

Zorina Tat'Jana MaksimovnaKorochkov Jurij AlekseevichNishchev Konstantin NikolaevichSafronenkov Sergej Anatol'EvichBeglov Vladimir Ivanovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet Im. N.P. Ogareva"

MATERIAL OF EMISSION COATING OF CATHODES OF ELECTRONIC-IONIC INSTRUMENTS Russian patent published in 2012 - IPC H01J1/144

Abstract RU 2462781 C1

FIELD: electricity.

SUBSTANCE: material of emission coating of cathodes contains calcium oxide and yttrium oxide, or ytterbium oxide, or scandium oxide at the following component ratio (mol %): calcium oxide - 50-51, yttrium oxide, or ytterbium oxide, or scandium oxide - 50-49.

EFFECT: improved resistance to thermal evaporation.

2 tbl, 2 dwg

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RU 2 462 781 C1

Authors

Zorina Tat'Jana Maksimovna

Korochkov Jurij Alekseevich

Nishchev Konstantin Nikolaevich

Safronenkov Sergej Anatol'Evich

Beglov Vladimir Ivanovich

Dates

2012-09-27—Published

2011-03-14—Filed