electron emission current

英 [ɪˈlektrɒn iˈmɪʃn ˈkʌrənt]

美 [ɪˈlektrɑːn iˈmɪʃn ˈkɜːrənt]

电子发射电流

化学

双语例句

• The secondary electron emission from the dielectric layer makes the discharge current increase.
  绝缘介质层的二次电子发射，使放电电流增大。
• The processing step at the edge of electron emission region is about 100 nm only and the width of self-aligned current channel of shallow. As implantation is about 3 μ m.
  该器件的电子发射区域边缘的工艺台阶仅为10nm，其自对准的浅砷注入电流通道区宽度仅为3μm。
• A hopping electron cathode triode structure based on secondary electron emission has been studied to improve current density of electron beam and reduce the cathode emission slump caused by ion bombardment of residual gases.
  针对一种基于二次电子发射的跳跃电子阴极三极管结构进行了研究，这种特殊结构可以有效地提高了电子注电流密度，并减小受残余气体离子的对阴极轰击造成的阴极发射跌落。
• The voltage distribution of electron gun was calculated with the charge density method and the electron trace was calculated, the non-uniformity of emission current density at the target was calculated.
  利用电荷密度法求出电子枪的电位分布、计算了电子轨迹和靶面处电流密度分布的均匀性。
• A pressed multi-layer nickel matrix cathode which is specially suitable for application in high-resolution electron beam devices is presented. By the multi-layer structure, both high emission current density and low sublimation rate of barium can be simultaneously obtained.
  本文介绍一种颇适合于高分辨率电子束器件应用的多层压制钡镍阴极，采用多层结构，可以同时获得大发射电流密度和低的钡升华率。