Controlling the Specimen Surface Temperature During Irradiation With a Submillisecond Electron Beam Produced by a Plasma-Cathode Electron Source

2021 ◽  
pp. 1-4
Author(s):  
Maxim Vorobyov ◽  
Tamara Koval ◽  
Vladislav Shin ◽  
Pavel Moskvin ◽  
My Kim An Tran ◽  
...  
Keyword(s):  
Electron Beam ◽  
Surface Temperature ◽  
Electron Source ◽  
Specimen Surface ◽  
Plasma Cathode

Double-coil magnetic focusing of the electron beam generated by a plasma-cathode electron source

2019 ◽  
Vol 90 (2) ◽  
pp. 023302 ◽  
Author(s):  
I. Yu. Bakeev ◽  
A. S. Klimov ◽  
E. M. Oks ◽  
A. A. Zenin
Keyword(s):  
Electron Beam ◽  
Electron Source ◽  
Plasma Cathode ◽  
Magnetic Focusing

scholarly journals Forevacuum plasma source of continuous electron beam

2019 ◽  
Vol 37 (2) ◽  
pp. 203-208 ◽  
Author(s):  
Aleksandr Klimov ◽  
Ilya Bakeev ◽  
Efim Oks ◽  
Aleksey Zenin
Keyword(s):  
Electron Beam ◽  
Power Density ◽  
Hollow Cathode ◽  
Plasma Source ◽  
Electron Source ◽  
Hollow Cathode Discharge ◽  
Maximum Power ◽  
Maximum Power Density ◽  
Plasma Cathode ◽  
Pressure Plasma

AbstractWe describe here the design, main parameters, and characteristics of a forevacuum-pressure plasma-cathode electron source based on a hollow-cathode discharge. The source generates a continuous focused electron beam with energy up to 30 keV and current up to 300 mA at a pressure of 10–50 Pa. The focused electron beam reaches a maximum power density of 106 W/cm2. The source utility has been demonstrated by its application for processing and cutting of ceramic.

scholarly journals Influence of electron emission on operation of a constricted arc discharge in a pulsed forevacuum plasma-cathode electron source

2021 ◽  
Vol 2064 (1) ◽  
pp. 012124
Author(s):  
A V Kazakov ◽  
E M Oks ◽  
N A Panchenko
Keyword(s):  
Electron Beam ◽  
Electron Emission ◽  
Arc Discharge ◽  
Electron Source ◽  
Operating Voltage ◽  
Large Radius ◽  
Plasma Cathode ◽  
Discharge System ◽  
Arc Voltage ◽  
Minimum Value

Abstract The research of influence of electron emission and processes associated with the formation of a pulsed large-radius electron beam on operation of a constricted arc discharge, which forms emission plasma in a forevacuum plasma-cathode electron source, is presented. Processes, occurring in case of generation of the electron beam at forevacuum pressure range 3–20 Pa, provide lower operating voltage of the constricted arc discharge. The constricted arc voltage decreases with increasing pressure and increasing accelerating voltage. However, at pressure more than 15 Pa, the arc voltage decreases until a certain minimum value is reached, and then arc voltage is almost independent on pressure and accelerating voltage. This minimum value of the constricted arc voltage is on average 1.5–2 times higher as compared with voltage of the cathodic arc at the same discharge current. The observed decrease of operating voltage of the constricted arc is most likely caused by accelerated back-streaming ions, which move toward the emission electrode from beam-produced plasma. These accelerated ions partially penetrate into the hollow anode of discharge system through the mesh emission electrode and facilitate formation of the arc plasma, and thus provides lower voltage of the constricted arc.

Electrostatic Plasma Lens Focusing of an Intense Electron Beam in an Electron Source With a Vacuum Arc Plasma Cathode

2013 ◽  
Vol 41 (8) ◽  
pp. 2171-2176 ◽  
Author(s):  
Vasily I. Gushenets ◽  
Alexey A. Goncharov ◽  
Andrey M. Dobrovolskiy ◽  
Sergey P. Dunets ◽  
Irina V. Litovko ◽  
...  
Keyword(s):  
Electron Beam ◽  
Electron Source ◽  
Vacuum Arc ◽  
Arc Plasma ◽  
Plasma Cathode ◽  
Intense Electron Beam ◽  
Intense Electron

Electron-beam sintering of an Al2O3 / Ti composite using a forevacuum plasma-cathode electron source

2020 ◽  
Vol 46 (14) ◽  
pp. 22276-22281
Author(s):  
A.S. Klimov ◽  
I. Yu Bakeev ◽  
E.M. Oks ◽  
A.A. Zenin
Keyword(s):  
Electron Beam ◽  
Electron Source ◽  
Plasma Cathode
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