electron beam focusing

electron beam focusing
фокусировка электронного пучка

English-russian dictionary of physics. 2013.

Смотреть что такое "electron beam focusing" в других словарях:

  • Electron beam lithography — (often abbreviated as e beam lithography) is the practice of scanning a beam of electrons in a patterned fashion across a surface covered with a film (called the resist),cite book |last= McCord |first=M. A. |coauthors=M. J. Rooks |title=… …   Wikipedia

  • Electron beam welding — (EBW) is a fusion welding process in which a beam of high velocity electrons is applied to the materials being joined. The workpieces melt as the kinetic energy of the electrons is transformed into heat upon impact, and the filler metal, if used …   Wikipedia

  • Electron optics — deals with the focusing and deflection of electrons using magnetic and/or electrostatic fields. See also * Charged particle beam * Electron beam technology * Electron microscope * Ernst Ruska References * [http://www.ml.afrl.af.mil/facilities/mll …   Wikipedia

  • electron tube — an electronic device that consists, typically, of a sealed glass bulb containing two or more electrodes: used to generate, amplify, and rectify electric oscillations and alternating currents. Also called electronic tube. Cf. gas tube, vacuum tube …   Universalium

  • Electron microscope — Diagram of a transmission electron microscope A 197 …   Wikipedia

  • Electron gun — An electron gun (also called electron emitter) is an electrical component that produces an electron beam that has a precise kinetic energy and is most often used in televisions and monitors which use cathode ray tube technology, as well as in… …   Wikipedia

  • electron — n. a stable elementary particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids. Phrases and idioms: electron beam a stream of electrons in a gas or vacuum. electron diffraction …   Useful english dictionary

  • focusing coil — noun : a coil that focuses an electron beam (as in a cathode ray tube) by means of a magnetic field …   Useful english dictionary

  • Electron spectrometer — In an Electron spectrometer, an incoming beam of electrons is bent with electric or magnetic fields. As higher energy electrons will be bent less by the beam, this produces a spatially distributed range of energies. Electron spectrometers are… …   Wikipedia

  • electron gun — noun Date: 1924 an electron emitting cathode and its surrounding assembly (as electromagnets in a cathode ray tube) for directing, controlling, and focusing a beam of electrons …   New Collegiate Dictionary

  • Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… …   Wikipedia


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