然而电子显微镜采用电子束而不是光。
But electron microscopes use beams of electrons, instead of light.
只有相对原始状态的材料才拥有兰德曼所需要的研究对象,因此他的研究小组必须使用利用电子束表面成像的扫描电子显微镜(下图)去寻找最好的珍珠层。
Only relatively pristine material has the goods Landman is after, so his team USES a scanning electron microscope (below), which utilizes a beam of electrons to image surfaces, to find the best nacre.
扫描电子显微镜是通过扫描聚焦在物体上的电子束来工作的。
The microscope works by scanning a focused beam of electrons across an object.
AEBB- 2000加速器是一部特殊的设备,它能实现高能量的反平行电子-正电子束试验。
The AEBB-2000 accelerator is a unique facility for carrying out experiments with anti-parallel electron-positron beams of high energies.
这幅显微照片是通过扫描穿过样品的电子束而获得的,同时检测器对从样品表面反弹的电子进行追踪,这些电子显示了标本的外形。
This photomicrograph was obtained by scanning a beam of electrons across the sample while a detector kept track of electrons bouncing off its surface, betraying the specimen's outer shape.
透射电子显微镜发出电子束直接打向细胞样本,得到细胞的精细结构。
Transmission electron microscopes (TEM) fire beams of electrons straight through prepared samples of cells, picking up fine details of the tiny structures within.
因此目前电子束光刻设备主要的用途是用于刻制掩膜板,许多人甚至认为电子束光刻技术的产出量永远也无法满足芯片量产的需求。
E-beam tools are used in photomask writing, but many believe the technology will never be fast enough for high-volume semiconductor lithography.
扫描电子显微镜是通过扫描聚焦在物体上的电子束来工作的。
Thee microscope works by scanning a focused beam of electrons across an object.
本文介绍了低能电子在固体中的弹性散射和非弹性散射,及其在电子束显微分析中的一些应用。
The elastic and inelastic scattering of low energy electrons in solids and some of its applications in electron beam microanalysis are described.
在电子环型加速器中可以证明,电子束团中粒子沿纵向的分布律可近似地表示成为空心分布。
It is proved that in electron circular accelerator, the longitudinal distribution of particles in electron bunch can be approximately expressed as hollow distribution.
计算了摆动器参数、电子束和激光场之间的能量转换效率、激光强度、电子的相空间分布和能谱。
We have computed the wiggler parameters, efficiency of energy conversion between electron beam and laser field, laser intensity, phase-space distributions and energy spectrum of electrons.
电子冷却系统中冷却力的大小与电子束的温度密切相关。
Cooling force in electron cooling system is closely related to the temperature of electron beam.
利用电子束技术对添加不同合金化元素的铸造铝合金试样表面进行电子束改性试验研究。
Electron beam modification process were used on the surfaces of cast aluminum alloy samples with various alloying elements.
采用强流脉冲电子束轰击固体介质样品,研究了强流脉冲电子束与固体介质的相互作用。
In this paper, the interaction of intense pulsed electron beams with dielectric targets is presented.
这些结果可用于电子束器件、电子光学仪器和高能加速器中的聚焦或偏转或聚焦兼偏转元件的设计。
These results of this paper may be of use in designing focusing or deflection systems of electron ray devices, electron-optical instruments and high energy accelerators.
电子枪可以实现电子束能量扫描。
电子束扫描均匀度是辐照电子直线加速器的重要指标之一,采用无偏估计方法对电子束的扫描均匀度作校正是一种有效的方法。
The uniformity of electron beam scanning is one of the important indices of linear accelerator. Unbiased estimation is an effective method for scanning uniformity calibration.
在焊接时利用处理后的偏差值在圆形焊缝相应位置不断修正电子枪的位置,从而达到电子束束斑与焊缝自动对中的目的。
During the welding process, the computer will modify the position of the electron gun based on the deviation to make the electron beam spot centered on the annular weld groove.
此外,用此方法提取的电子散射参数被成功地用于相同实验条件下的电子束临近效应校正。
Furthermore, the parameters acquired by this method are successfully used for proximity effect correction in electron beam lithography on the same experimental conditions.
针对涡轮盘材料GH4133合金,在电子束焊后采用新颖的电子束局部热处理工艺对接头进行热处理。
After electron beam welding, electron beam local heat treatment was applied in GH4133 superalloy as the turbine disk material in this paper.
利用电子束离子源(EBIS)或者电子束离子陷阱(EBIT)产生的慢速高电荷态重离子束轰击金属靶面,离子束与靶面作用并复合辐射特征X射线;
The electron beam ion trap(EBIT) and the electron ion source(EBIS) are new instruments for the study of X-ray produced by very highly-charged ions when they interact with free electrons.
介绍了电子束焊机用电子束流快速控制原理。
This paper introduces rapidly controlling principle on electron beam current for electron beam welder (EBW).
电子束焊接具有显著的小孔效应,这一特点决定着电子束焊接过程和普通熔化焊不同,并对其焊接应力和变形产生重要影响。
Electron beam welding has significant keyhole effect, it induces the electron beam welding different from general melting, and also important influence on its welding stresses and distortion.
本文介绍用电子和正电子束流测试单通道电子倍增器的高压坪曲线、脉冲幅度分布和效率曲线;
The high-voltage plateau curve, pulse amplitude distribution and efficiency curve were measured with electron and positron beams.
同时还指出,预群聚有在不增加电子束能量情况下缩短激光波长和降低对电子束质量要求等作用。
It is also indicated that prebunching can short the laser wavelength without increasing the electron beam energy and relieve the requirement on the electron beam quality.
给出了产生径向电子束的同轴电子枪的设计和实验结果。
Design and experimental results of a coaxial electron gun for the production of a radial electron beam are given.
在直径为6毫米的电子枪窗口后测得电子束峰值电流为7安,脉冲的半峰宽为6~8毫微秒,最大电子能量约为107千电子伏特。
Thee-beam peak current is 7A measured behind a 6mm diameter e-beam window. The pulse duration (FWHM) is 6-8ns and the maximum electron energy is about 107keV.
本文扼要介绍了电子束直写圆片的原理,地形标记的识别,以及电子束曝光系统能识别的圆片标记的制造技术。
In this paper, the principle of electron beam write wafer is discussed briefly distinguish topography mark, and make the technology of wafer mark which is found by the electron beam exposure system.
本文研究了电子束蒸铝MOS结构的热电子雪崩注入的界面效应。
This Paper studies interface effect of avalanche hot electron in MOS structures.
测量发现当电子束流增大到一定程度时,测出的弹性电子峰严重畸变,电子倍增器工作在饱和状态。
However, when electron current exceeds a certain value, an abnormal elastic electron peak can be observed, because the channeltron works in saturation mode.
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