Field-emission electron gun for a MEMS electron microscope [PDF]
Microsystems & Nanoengineering, 2021 This article presents a field-emission electron gun intended for use in a MEMS (microelectromechanical system) electron microscope. Its fabrication process follows the technology of a miniature device under development built from silicon electrodes and ...
Michał Krysztof
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Characteristics of Carbon Nanotube Cold Cathode Triode Electron Gun Driven by MOSFET Working at Subthreshold Region [PDF]
NanomaterialsThe carbon nanotube cold cathode has important applications in the X-ray source, microwave tube, neutralizer, etc. In this study, the characteristics of carbon nanotube (CNT) electron gun in series with metal-oxide-semiconductor field-effect transistor ...
Yajie Guo +4 more
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Design of planar distributed three beam electron gun with narrow beam separation for W band staggered double vane TWT [PDF]
Scientific Reports, 2021 A novel planar distributed three-beam electron gun with narrow beam separations is designed based on grids loaded sheet beam method. The dimensions of the three-beam gun in the y–O-z plane are determined using our basic theoretical design method ...
Cunjun Ruan +6 more
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Compact Electron Gun Based on Secondary Emission Through Ionic Bombardment [PDF]
Sensors, 2011 We present a new compact electron gun based on the secondary emission through ionic bombardment principle. The driving parameters to develop such a gun are to obtain a quite small electron gun for an in-flight instrument performing Electron Beam ...
Ajmal Mohamed +3 more
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An injector testbed based on a direct current gun and an interchangeable very high frequency gun for superconducting continuous-wave free-electron lasers [PDF]
Journal of Synchrotron RadiationThe continuous-wave free-electron laser (CW-FEL), based on superconducting radiofrequency (SRF) technology with an electron bunch repetition rate of up to MHz levels, is one of the most advanced light sources, providing exceptionally high average and ...
Xinmeng Li +32 more
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Design and verification of a wide range and high precision electron gun system
He jishu, 2022 BackgroundGrid-controlled electron guns mostly use mesh grid and extract pulsed beam current; there is little research on the wide-range direct current beam.PurposeThis study aims to design a wide-range high-accuracy direct current electron gun to meet ...
ZHANG Haowei +3 more
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Research on the application of thermal field emission gun in electron beam lithography
Dianzi Jishu Yingyong, 2022 The classification and characteristics of electron gun are introduced, with emphasis on the principle, structure and characteristics of thermal field emission gun and its application in electron beam lithography machine. The relationship between the beam
Hao Xiaoliang +6 more
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Design and optimization of low-emittance C-band photocathode RF electron gun
He jishu, 2021 BackgroundFree electron laser (FEL) has extremely high requirements on emittance of the electron beam. In recent years, electron guns that can produce short electron bunches and have high brightness properties have become an important challenge and ...
WANG Lin, FANG Wencheng, ZHAO Zhentang
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Study on characteristics and beam emission theory of UTEM electron gun
Results in Optics, 2021 In the ultrafast transmission electron microscopy (UTEM), the speed of the electron will be close to the light, when the electron pulse passes through the acceleration field.
He Chen, Quanlin Dong, Zhongwen Li
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Design of electron gun with a current of 50 mA for use in a dynamitron accelerator [PDF]
مجله علوم و فنون هستهای, 2019 This paper presents the design of a thermionic electron gun with two different geometries, flat cathode and spherical cathode.The purpose of this research is to answer the question of which type of electron gun is suitable for industrial electrostatic ...
M Gholami Akbarabad +3 more
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