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Field Emission Gun

См. также в других словарях:

  • Field emission gun — A field emission gun is a type of electron gun in which the emitter tip is held at several kilovolts negative potential relative to a nearby electrode, so that there is sufficient potential gradient at its surface to cause field emission of… …   Wikipedia

  • Field emission display — A field emission display (FED) is a display technology that incorporates flat panel display technology that uses large area field electron emission sources to provide electrons that strike colored phosphor to produce a color image as a electronic …   Wikipedia

  • Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… …   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

  • Zero-point field — In quantum field theory, the zero point field is the lowest energy state of a field, i.e. its ground state, which is non zero. [cite book | last = Gribbin | first = John | title = Q is for Quantum An Encyclopedia of Particle Physics | publisher …   Wikipedia

  • Vent field — Vent Vent, n. [OE. fent, fente, a slit, F. fente a slit, cleft, fissure, from fendre to split, L. findere; but probably confused with F. vent wind, L. ventus. See {Fissure}, and cf. Vent to snuff.] 1. A small aperture; a hole or passage for air… …   The Collaborative International Dictionary of English

  • FEG — Field Emission Gun (Academic & Science » Electronics) * Fergana, Uzbekistan (Regional » Airport Codes) * Fundación Educativa Guatemala (International » Guatemalan) * Fletcher Challenge Engineering Division (Business » NYSE Symbols) * Federación… …   Abbreviations 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

  • Scanning electron microscope — These pollen grains taken on an SEM show the characteristic depth of field of SEM micrographs …   Wikipedia

  • HRTEM — Microscopie électronique en transmission Pour les articles homonymes, voir Microscope. Schéma du faisceau d électrons dans un MET : 1 : colonne, 2 : source …   Wikipédia en Français

  • Microscope électronique en transmission — Microscopie électronique en transmission Pour les articles homonymes, voir Microscope. Schéma du faisceau d électrons dans un MET : 1 : colonne, 2 : source …   Wikipédia en Français

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