The reason , fang says , is simple : carbon nanotubes have a very low field - emission voltage , which means lower voltage is needed to emit the electrons that produce an image 方说，原因很简单，碳纳管有一个极低的场致发射电压，这意味着只需要较低的电压，就发射出能产生图像的电子。
2 . after studying the relevant basic theories , the relationship between the field emission current and the work function of semiconductor and the temperature is analyzed 2 、研究了真空微电子压力传感器的相关基础理论，从理论上分析了半导体场致发射电流与半导体功函数及其与温度的关系。
As a new self - luminous flat panel display technology , field emission display ( fed ) has great potential for development , with the advantages of high display - quality of crt and low power consumption of lcd 场致发射显示器集crt的高显示质量和lcd的低功耗优点于一身,是一种新兴的具有广阔发展潜力的自发光平板显示器件。
Field emission display ( fed ) is a promising novel flat panel display which has the advantages both of the high brightness of cathode ray tube and the portability of liquid crystal display 场致发射显示器( fed )作为平板显示器的一种,兼具阴极射线管( crt )的明亮逼真与液晶显示器( lcd )轻薄便携等优点,是一种前景十分看好的新型平板显示器件。
The density of its field emission catelectrode tip is about 24000tip / mm2 , the onset emission voltage is 0 . 5 ~ iv , the backward voltage is larger than 25v , the current of single tip is 0 . 2na , the sensitivity is 98 . 5mv / bar 其场致发射阴极锥尖阵列密度达24000个mm ~ 2 ，起始发射电压为1 5v ，反向电压25v ，当正向电压为5v时，单尖发射电流为0 . 2na ，压力灵敏度为98 . 5mv bar 。
Field emission display ( fed ) is a novel self - luminous vacuum flat panel display . it is concerned for its advantages of fpd and crt , thus is of great application foreground . fed is consist of panel and driving system which control system means a lot 场致发射显示器( fed )是新一代自主发光型真空平板显示器件,因其兼有平板显示器件和阴极射线管的优点而赢得了普遍关注,具有巨大的应用前景。
Vacuum micro - electronics device which based on field emission has become the focus of people around the world , and it have lots of advantages such as low power consume , big current density , high frequency and so on 以场致发射为基础的真空微电子器件,因其具有功耗低、电流密度大、频率高等诸多优点而倍受关注。场发射阴极作为各种真空微电子器件的核心,其性能的好坏将直接决定着场发射器件的总体性能。
At present , feas have potential for use as an electron source in a wide variety of applications , including microwave power amplifiers ( such as twts , klystron ) , flat panel displays , electron microscopy , and electron beam lithography 目前,场致发射阵列阴极的应用领域十分广泛,主要包括微波器件(应用于twts , klystron等) 、平板显示器( feds ) 、电子显微镜及电子束刻蚀系统等。其中,应用研究的焦点主要集中在平板显示器和射频功率放大器。
With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics . the software included field section , grid point numbering , and the calculation of electric currents , transconductance and cathode capacitance , moreover , it can simulate the properties of vacuum microeletronic with variant structures and sizes . the relationship was studied and simulated among electic properties and device structures , sizes and cathode materials etc . the optimized design of vacuum microtiode was proposed 本文在深入研究真空微电子器件场致发射理论的基础上，根据圆锥形、楔形阴极真空微电子三极管的不同特点，分别建立了物理和数学模型，在考虑空间电荷密度影响的前提下，以有限元法为基础采用迭代的方法计算出真空微电子三极管内的电势分布情况，绘制出了等势线、电子轨迹线，并得到了器件电学性能随几何参数的变化情况。
Characterized by field emission in vacuum micro chambers , it has found applications in the display field , and more recently in sensor technology . based on the basic principles of vacuum microelectronics , a new kind of integrated vacuum microelectronic acceleration sensor is presented 本文作者纵观了硅微加速度传感器和真空微电子学的国内外研究现状，提出利用真空微电子技术、 mems技术和传感器技术，依据冷阴极场致发射的原理，研究一种新型的集成真空微电子加速度传感器。
