在地 关 键 词 计算机辅助设计 ; 电子枪 ; 电子光学系统 ; 有限元 [gap=896]Key words CAD; electron gun; electron optic system; finite element method
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rotationally symmetrical electron optic system 旋转对称电子光学系统
electron optic tracking system 光电跟踪系统 ; 电子光学跟踪系统
The 7th order geometrical aberration of rotationally symmetrical electron optic system and their expressions are given by using the eikonal method when the electric and magnetic fields exit.
应用光程函数法计算出旋转对称电子光学系统的7级几何像差，给出旋转对称电磁场同时存在情况下的系统7级几何像差表示式。
This paper describes a new multi ion and electron beam system for preparing optic thin films.
本文介绍一种新型的光学薄膜制备用多离子束电子束系统。
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。
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