thermionic cathode

Theoretical investigation of the transient process in RF guns with thermionic cathode

热阴极微波电子枪中建场瞬态过程的研究

A high-resistance wire or ribbon forming the cathode in some thermionic tubes.

丝极在一些电子管中形成阴极的高电阻的金属丝或金属带.

Stability of the lab_6 thermionic cathode

单晶LaB6热阴极稳定性研究

A new method for measuring the secondary electron emission of thermionic cathode and its application

测量热阴极次级电子发射的新方法及其应用

Commissioning of a Thermionic Cathode Microwave Electron Gun with High Duty Factor

高工作比热阴极微波电子枪调试出束

Ferroelectrics cathode is a high-density electron beam pulse source. It has many advantages when comparing with traditional thermionic cathode.

铁电阴极是一种强流的脉冲电子束源，同传统的热电子阴极相比具有许多独特的优点，因而在高能物理、电子学、真空微电子等领域有可能取代普通热阴极及场发射阴极。

Rapid-measurement of pulse emission current at the inflection point on I-U curve of the thermionic cathode

热阴极脉冲拐点发射的快速测量

Currently conventional thermionic cathode gun cannot satisfy people's requirement for high lightness and long gun.

传统的热阴极电子枪存在着工作温度高、启动慢等缺点.

Usually, only the thermionic cathode and the field emission cathode have access to such the high emission current of the electron beams.

通常只有热致电子发射阴极和场致电子发射阴极能够获得如此大的电流强度的电子束。

A diode-type electron gun is used to investigate the DC emitting characteristics of a single crystal LaB_6 thermionic cathode.

实验利用二极管型电子枪研究了单晶LaB6热阴极的直流发射特性。

The recrystallization temperature and the strenth of molybdenum thermionic cathode wires are increased greatly by addition of about 4wt% content of rare earth oxides.

4wt%左右稀土氧化物的加入，能显著提高钼热阴极丝材的再结晶温度和室温抗拉强度。

Study on properties and microstructures of rare earth oxide-doped molybdenum wire applied in thermionic cathode

热阴极用稀土钼丝材的组织和性能的研究

A prediction based self adaptive feed forward control system for thermionic cathode microwave electron gun

热阴极微波电子枪预测式自适应前馈控制系统

Among them, a better quality beam can be easily obtained from the thermionic cathode, but the emission current density of the electron is relatively low, the cathode is short life due to an easily cathode poisoning, and the cost is expensive.

其中，热阴极获得的电子束的束流品质较好，但发射电流密度相对较低，阴极容易中毒，寿命较短，而且成本高。

Rare earth metal compounds as thermionic cathode material

金属醇盐的合成稀土金属化合物阴极

Six kinds of molybdenum thermionic cathode materials doped with different weight content of rare earth oxides were successfully prepared by powder metallurgy method and metal processing technology, and the fine technics of preparation was confirmed.

本文采用粉末冶金和塑性加工方法成功制备出六种高含量（4-4.5wt%）稀土钼热阴极材料，确定了其优良的制备工艺。

Characteristics and Microstructure of High Doping Nanocomposite W-ThO_2 Thermionic Cathode Material by Swaging Method

旋锻法制备高掺杂ThO2纳米颗粒的W热阴极材料的结构与性能