An electron gun with replaceable cathode-heater assembly for an E-beam irradiator

WU Xunlei YU Xiaojuan JIANG Zhenbai

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An electron gun with replaceable cathode-heater assembly for an E-beam irradiator

更新时间：2021-03-05

- An electron gun with replaceable cathode-heater assembly for an E-beam irradiator
- NUCLEAR TECHNIQUES Vol. 34, Issue 1, (2011)
- 作者机构：
  
  中国科学院电子学研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL503.3
- Published：01 January 2011
- 稿件说明：
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[1]吴迅雷,于晓娟,蒋振柏.可更换阴极热子的辐照加速器用电子枪[J].核技术,2011,34(01):56-59.

WU Xunlei YU Xiaojuan JIANG Zhenbai. An electron gun with replaceable cathode-heater assembly for an E-beam irradiator[J]. Nuclear techniques, 2011, 34(1): 56-59.
[1]吴迅雷,于晓娟,蒋振柏.可更换阴极热子的辐照加速器用电子枪[J].核技术,2011,34(01):56-59. DOI：

WU Xunlei YU Xiaojuan JIANG Zhenbai. An electron gun with replaceable cathode-heater assembly for an E-beam irradiator[J]. Nuclear techniques, 2011, 34(1): 56-59. DOI：

摘要

本文介绍了工作电压为60 kV、峰值电流为550–600 mA、射程要求为60 mm、注腰不大于Φ?4 mm的电子枪的研制。该电子枪用于辐射加工电子直线加速器（10 MeV 1.5 mA）。为降低加速器的运营成本

该电子枪特别设计为可更换阴极热子型。采用Egun、Mafia等软件进行模拟计算

基本按照速调管生产的工艺流程

制成该电子枪。热测及束斑测试表明

该电子枪各项参数均达用户要求

目前已在加速器上正常运行约3000 h。

Abstract

A new type of electron guns has been developed for a 10 MeV 1.5 mA linac for radiation processing. The specifications required are: cathode voltage 60 kV

peak beam current 550–600 mA

spot size 4 mm

and working distance 60 mm. Particularly

this electron gun is advantageous in its replaceable cathode-heater assembly. This helps the customers to reduce their operation cost. The Egun and Mafia codes were used to simulate electromagnetic fields and electron trajectories. The guns were produced in the same technology of our klystron production. Design specifications of the gun were achieved in the beam current test and beam spot test. The first gun of this type has been working on an linac for about 3000 hours.

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Related Author

Linfan ZHU

Yawei LIU

Hongchun TIAN

Longquan XU

Weiqing XU

Xin CHEN

吴迅雷

蒋振柏

Related Institution

Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China

School of Science, Bengbu University

Key Laboratary of High Power Microware Sources and Technologies, Institute of Electronics, Chinese Academy of Sciences

1,2) WANG Xingtao~1 LIN Guoqiang~1 DAI Zhimin~1 1

中国科学院上海应用物理研究所上海 201800 中国科学院研究生院

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