The five points difference method is used to calculate the voltage distribution on the meridian surface of axial-symmetrical electrostatic lens.
采用五点差分法计算轴对称静电透镜子午面上电位分布，再从普遍轨迹方程求得的电子轨迹出发得到透镜焦点和球差。
An all-electrostatic focusing and deflecting system characterized by simple lens system is introduced The new system is very useful in producing compact high-performance camera tubes.
介绍了一种采用只含有会聚场的单透镜的全静电聚焦和偏转系统，这种系统非常适用于制作小型高性能摄象管。
The lens Cap protects the LED from physical damage while guarding the components from electrostatic discharge (ESD), up to 16KV. More economical than indicator light assemblies.
灯头盖能够保护LED在检测其它部件时免受静电放电造成的物理伤害，最高16千伏。较指示灯组件价格低廉。
The gun is composed of the liquid metal ion source of Ga, the tip microadjusters' assembly, the ion lens, and the electrostatic octopole deflector.
它由液态金属离子源，源尖微调装置，离子透镜及静电八极偏转器等组成。
The gun is composed of the liquid metal ion source of Ga, the tip microadjusters' assembly, the ion lens, and the electrostatic octopole deflector.
它由液态金属离子源，源尖微调装置，离子透镜及静电八极偏转器等组成。
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