Therefore it is very important to analyse the emission system in electron beam device.
因此，对发射系统的分析就显得非常重要。
The device consists of magnetic field power supply, coils, and drift chamber of electron beam.
该装置由磁场电源、场线圈及电子束漂移管等组成。
Electron beam lithography machine is the key instrument for mask making and research of nanometer device.
电子束曝光技术是掩模版制作和纳米器件研究的主要手段。
In the electron beam and ion beam device, the emission system affects the quality of the whole device.
在电子束及粒子束器件中，发射系统直接影响整个器件的质量。
An automatic device for the effective and rapid measurement of electron beam emittance has been designed and installed in our laboratory.
一台有效、快速、电子束相图自动测量装置已在我们实验室设计、加工、安装完毕。
Electron beam deposit facilities are necessary for making semi-conductor devices and have an effect on the performance of the device obviously.
电子束蒸发台是制作半导体、光电器件的必要设备，对器件的性能有很大的影响。
There are provided an electron beam application method and an electron beam application device capable of uniformly applying electron beams to an object even if the electron beams have a low energy.
本发明提供即使是低能量的电子射线，也能够均匀地对对象物照射 电子射线的电子射线照射方法和电子射线照射装置。
The flow resistance device is a important unit for achieving electron beam welding in partial vacuum.
气阻装置是实现低真空电子束焊接的重要部件。
Three-beam synchronous treatment and activation by electron beam are the main features of this device.
束同步处理和电子束的活化作用是该装置的主要特点。
Three-beam synchronous treatment and activation by electron beam are the main features of this device.
束同步处理和电子束的活化作用是该装置的主要特点。
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