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(19)

(11)

2 454 046

(13)

(51)

IPC

H05H3/00(2006-01-01)

(21) (22)

Application

2011101267/07, 2011-01-13

(24)

Start date

2011-01-13

(22)

Actual filing date

2011-01-13

(45)

Published

2012-06-20

(72)

Inventor

Martens Vladimir JakovlevichShevchenko Evgenij Fedorovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Tekhnicheskij Universitet"

PLASMA ELECTRON EMITTER Russian patent published in 2012 - IPC H05H3/00

Abstract RU 2454046 C1

FIELD: physics.

SUBSTANCE: invention relates to equipment for producing electron beams with a large cross-sectional area and can be used in electron sources. In the plasma electron emitter, the diameter of the coupling hole d_k in the flat cathode is increased such that the condition l_k<<d_k≤d_a is satisfied (where I_k is the length of the cathode potential drop, d_a is the inner diameter of the cylindrical anode), and the former is made either from dielectric material or, if made from metal, is electrically insulated from the rest of the electrodes.

EFFECT: high energy-efficiency and longer time for continuous operation of the plasma electron emitter.

3 dwg

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RU 2 454 046 C1

Authors

Martens Vladimir Jakovlevich

Shevchenko Evgenij Fedorovich

Dates

2012-06-20—Published

2011-01-13—Filed