secondary electron detector

基本解释

The second is using a secondary electron detector that could function in this non vacuum sample environment.
二是使用了一个在样品室非真空环境下仍然能起作用的二次电子探头。
A large-size secondary electron emission detector used in a magnetic mirror device for measuring automatically and simultaneously neutral and ion injection beams is described.
本文介绍了在磁镜装置上应用的同时自动测量注入中性束和离子束的大型二次电子发射探测器；
The multi-stage vacuum system and gaseous secondary electron detector(GSED) for environmental scanning electron microscope(ESEM) were simply introduced and the basic principle of ESEM was discussed.
本文简单介绍了构成环境扫描电镜（ESEM）的多级真空系统和气体二次电子探测器，描述了ESEM的基本工作原理。