electron lens

In the present study, an aberration theory for both wide and narrow electron beams in a combined electromagnetic focusing spherical cathode lens system is discussed.

本文研究了对宽束和细束阴极透镜普遍适用的电磁复合聚焦球面阴极透镜的象差理论。

Electron cloud in ideal long space-charge lens

理想长空间电荷透镜中的电子云

Using a 135 SLR ( single lens reflex) camera with close shot adapter-and and a common print-exposing box, we can make a positive 135 slide fro-m the electron-microscopic negative in one step.

使用135单镜头反光照相机和近摄接圈，加置一个普通印相晒箱，即可对电镜底片直接成像，精确的曝光，配合标准程序冲洗，一步制成135幻灯片。

The observation of scan electron lens shown that the result, the foam has the ideal structure.

扫描电镜的观察结果表明, 研制的泡沫具有比较理想的泡孔结构.

This paper presents the method of using Free Mode for repid diagnosis and repair in controlling circuit system of lens current of Hitachi H-600 transmission electron microscope.

本文介绍了应用FREE模式对日立H&600透射电镜中透镜电流控制系统故障进行快速诊断、维修的方法。