electron beam focusing的意思|示意

Based on the theory of wide electron beam focusing with curved axis, a method for determining the off-axis point spread distribution is studied using the trajectories with curved axis.

根据曲轴宽电子束聚焦理论，研究了一种用曲轴轨迹确定轴外点扩散分布的方法。

Optimization of the magnetic focusing system can decrease the radial magnetic induction and improve the electron beam quality.

通过对磁聚焦系统进行优化设计，外层电子注轨迹得到明显改善。

Based on thin annular electron beam approximation, the focusing effect of plasma is investigated.

在薄环形束的近似下讨论了等离子体对空心电子束的聚束作用。

In this paper, the specialized techniques of electron gun for large screen CPTs are discussed. The beam forming region, main lens, convergence lens system and dynamic focusing method are analyzed.

对近年来大屏幕彩色显像管电子枪专有技术进行了讨论，系统分析了电子束形成区、主透镜、会聚透镜系统及动态聚焦方式等。

Nodular defects, which are in critical state of damage, are cross-sectioned by focusing on the ion beam and by imaging using a field emission scanning electron microscope.

采用聚焦离子束和场发射扫描电镜对处于临界破坏状态的节瘤缺陷做剖面分析和观察。