electron beam machine

См. также в других словарях:

• 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 Melting — (EBM) is a type of rapid prototyping for metal parts. It is often classified as a rapid manufacturing method. The technology manufactures parts by melting metal powder layer per layer with an electron beam in a high vacuum. Unlike some metal… …   Wikipedia

• machine tool — machine tooled, adj. a power operated machine, as a lathe, used for general cutting and shaping of metal and other substances. [1860 65] * * * Stationary, power driven machine used to cut, shape, or form materials such as metal and wood. Machine… …   Universalium

• Beam — may refer to: *Beam (structure), a construction element *Beam (nautical), the most extreme width (or breadth) of a nautical vessel, or a point alongside the ship at the mid point of its length *A narrow, propagating stream of particles or energy …   Wikipedia

• 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

• Particle beam weapon — A particle beam weapon uses an ultra high energy beam of atoms or electrons (i.e., a particle beam) to damage a material target by hitting it, and thus disrupting its atomic and molecular structure. A particle beam weapon is a type of directed… …   Wikipedia

• X-ray machine — An X ray machine is a device used by radiographers to acquire an x ray image. They are used in various fields, notably medicine and security.HistoryShay M. Anderson and Ryan W. Preuninger formulated mathematical equations for X rays. Physicist… …   Wikipedia

• Scanning Electron Microscopy — Microscopie électronique à balayage Pour les articles homonymes, voir MEB, SEM et Microscope. Microscope électronique à balayage JEOL JSM 6340F …   Wikipédia en Français

• High-resolution transmission electron microscopy — (HRTEM) is an imaging mode of the transmission electron microscope (TEM) that allows the imaging of the crystallographic structure of a sample at an atomic scale. [cite book |title=Experimental high resolution electron microscopy |last=Spence… …   Wikipedia

• External beam radiotherapy — otherwise known as teletherapy, is the most frequently used form of radiotherapy. The patient sits or lies on a couch and an external source of radiation is pointed at a particular part of the body. Kilovoltage (also known as Superficial or Deep) …   Wikipedia