thermionic cathode

热电子阴极

  • 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 阴极材料的结构与性能

  • Study on Thermionic Emission Mechanism and Surface Analysis of La-Mo Film Cathode Deposited by Pulsed Laser Deposition

    激光沉积镧钼薄膜 阴极的表面分析和 发射机理研究

  • The rare earth molybdenum cathode which have advantages of high thermionic electron emission easily produced and no radioactive pollution hold great promise for replacing the ThO 2 W cathode .

    稀土钼作为一种资源丰富、发射性能 优良、易加工、无放射性污染的 新型 阴极材料,己逐步取代具有放射性污染的ThO2W 阴极 材料,在中大 功率 电子 器件中获得应用。

  • 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 阴极丝材的再结晶温度和室温抗拉强度。

  • 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

  • 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 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。

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

    阴极脉冲拐点发射的快速测量

  • Rare earth metal compounds as thermionic cathode material

    金属 的合成稀土金属化合物 阴极

  • 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 阴极的直流发射特性。

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

    测量 阴极次级电子发射的新方法及其应用

  • Simulation of RF Thermionic Gun Basic Properties of the Hot Cathode Plasma-arc Discharger

    阴极微波 电子枪模拟计算热丝 阴极等离子枪的基本性能

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

    阴极微波电子枪预测式自适应前馈控制系统

  • Considering the theoretical models and the new experimental results the mechanism and process of the cathode arc discharge were analyzed systematically : electron explosive emission model thermionic field emission theory Mackeown formula in collisionless layer at cathode and spots motion model in a magnetic field .

    参考前人的研究模型和最新的实验结果,系统地分析了 阴极弧斑放电的机理和过程:电子的爆裂发射模型; 场致发射理论;

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

    阴极 微波 电子枪中 场瞬态过程的研究

  • Thermionic cathode microwave electron gun

    阴极微波电子枪

  • 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 电子 阴极相比具有许多独特的优点, 因而高能 物理电子学真空 微电子领域可能取代普通 阴极 发射 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 阴极材料,确定了其优良的制备工艺。

  • Thermionic Emission Properties of Mo-Y_2O_3 Cathode

    Mo-Y2O3 阴极 电子发射性能

  • Stability of the lab_6 thermionic cathode

    单晶 LaB6 阴极稳定性研究

  • 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, 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。

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

    阴极用稀土钼丝材的组织和性能的研究

  • Upgrade design of a thermionic cathode RF gun

    阴极微波电子枪的改进设计

  • Emission spectroscopic techniques are employed to study the loss of thermionic emission material barium from the cathode of a T12 fluorescent lamp .

    应用发射光谱技术研究了T12荧光灯 阴极 电子发射材料钡的损失。