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1. 发明公开

EP3312869A1 THE GAS-DISCHARGE ELECTRON GUN 审中-公开
标题翻译：放气电子枪
公开(公告)号：EP3312869A1
公开(公告)日：2018-04-25
申请号：EP17186577.7
申请日：2017-08-17
申请人： KEPP EU, SIA
发明人： Kravtsov, Anatoly , Kravtsov, Alexey
IPC分类号： H01J37/305 , C22B9/22 , H01J37/301 , H01J37/077 , C30B13/16 , C30B15/14 , C30B13/22 , C30B15/16
CPC分类号： H01J37/305 , H01J37/077 , H01J37/301 , H01J2237/06366
摘要： The proposed invention relates to electronic technology, more specifically to gas-discharge electron guns for processing applications and can be used for electron beam melting of materials, in particular metals and substances, which melts have metallic properties (hereinafter referred to as metals), their vacuum purification and other thermal processes performed in a vacuum using high-power electron beams.
The goal of the proposed invention is to solve the task of improving the stability of electron-beam guns due to stabilisation of pressure in the gas-discharge volume and reducing the deposition of processed material's vapours onto the gun's elements. The set objective is achieved due to the fact that the gas-ballast chamber reducing the pressure fluctuations in the process chamber affecting pressure in the gas-discharge volume of the electron beam gun is installed between the focusing lenses into the beam guide connecting the anode aperture with the process chamber.
摘要翻译：所提出的发明涉及电子技术，更具体地涉及用于加工应用的气体放电电子枪，并且可用于材料的电子束熔化，特别是具有金属性质的熔体（以下称为金属），它们的材料使用高功率电子束在真空中进行真空净化和其他热处理。所提出的发明的目标是解决由于气体排放体积中的压力稳定化而导致的电子束枪的稳定性的改善以及减少处理材料的蒸汽在喷枪元件上的沉积的任务。设定的目标是通过这样的事实实现的，即气体压载室减小处理室中影响电子束枪的气体排出体积中的压力的压力波动在聚焦透镜之间安装到连接阳极孔的光束导向器中与处理室。

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