electron beams

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• coplanar electron beams — koplanarieji elektronų pluoštai statusas T sritis radioelektronika atitikmenys: angl. coplanar electron beams vok. koplanare Elektronenbündel, n rus. копланарные электронные пучки, m pranc. rayons électroniques coplanaires, m …   Radioelektronikos terminų žodynas

• 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 beam physical vapor deposition — or EBPVD is a form of physical vapor deposition in which a target anode is bombarded with an electron beam given off by a charged tungsten filament under high vacuum. The electron beam causes atoms from the target to transform into the gaseous… …   Wikipedia

• Electron therapy — or Electron Beam Therapy (EBT) is a kind of external beam radiotherapy where electrons are directed to a tumor site.IndicationsElectron beam therapy is used in the treatment of superficial tumors and it may also be used to boost the radiation… …   Wikipedia

• electron microscope — ► NOUN ▪ a microscope with high magnification and resolution, employing electron beams in place of light …   English terms dictionary

• Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… …   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

• electron diffraction — Physics. the phenomenon whereby electron waves scattered by the regularly spaced atoms of a crystal produce diffraction patterns characteristic of the crystal structure and the wavelength. [1925 30] * * * ▪ physics       interference effects… …   Universalium

• electron microscopy — Technique that allows examination of samples too small to be seen with a light microscope. Electron beams have much smaller wavelengths than visible light and hence higher resolving power. To make them more observable, samples may be coated with… …   Universalium

• electron beam — ▪ physics       stream of electrons (as from a betatron) generated by heat ( thermionic emission), bombardment of charged atoms or particles (secondary electron emission), or strong electric fields (field emission). Electrons may be collimated by …   Universalium