cathode of electron gun

常见例句

The main construction and key technique of long pulse length hollow cathode plasma electron gun are presented.
给出长脉冲空心阴极等离子体电子枪结构与关键技术。
The construction and measurement system of fiber-optic sensor for monitoring the distance between cathode and first grid during assembly of electron gun are described.
本文描述了用于装配电子枪时控制阴极与第一栅极间距的光纤传感器的结构及其测量系统。
So, our main work is to obtain a satisfactory electron beam with diameter about micrometers by means of choosing a suitable LaBe cathode electron-gun system and a suitable focusing system.
电子束打靶产生X射线已经是很成熟的理论，因此，本论文的理论研究重点是选择合适结构的电子源系统与合适结构的聚焦系统并将电子束会聚为微米级的细小束斑。