- high-vacuum electron-beam melting
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высоковакуумная электронно-лучевая плавка
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
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
vacuum technology — Introduction all processes and physical measurements carried out under conditions of below normal atmospheric pressure. A process or physical measurement is generally performed in a vacuum for one of the following reasons: (1) to remove the … Universalium
Scanning electron microscope — These pollen grains taken on an SEM show the characteristic depth of field of SEM micrographs … 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
Free electron laser — A free electron laser, or FEL, is a laser that shares the same optical properties as conventional lasers such as emitting a beam consisting of coherent electromagnetic radiation which can reach high power, but which uses some very different… … Wikipedia
zone melting — a process of purifying any of various metals and other materials, as germanium or silicon, by passing it in bar form through an induction coil. Also called zone refining. Cf. cage zone melting. [1955 60] * * * Any of a group of techniques used to … Universalium
X-ray tube — An X ray tube is a vacuum tube that produces X rays. They are used in X ray machines. X rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X ray tubes evolved from experimental… … Wikipedia
Niobium — zirconium ← niobium → molybdenum V ↑ Nb ↓ Ta … Wikipedia
Plasma window — The plasma window (not to be confused with a plasma shield [cite news| last = Shiga| first =David| coauthors =| title =Plasma bubble could protect astronauts on Mars trip| work =| pages =| language =| publisher =NewScientist| date =2006 07 17|… … Wikipedia
Physical vapor deposition — (PVD) is a variety of vacuum deposition and is a general term used to describe any of a variety of methods to deposit thin films by the condensation of a vaporized form of the material onto various surfaces (e.g., onto semiconductor wafers). The… … Wikipedia
Langley Research Center — NASA Langley Research Center Aerial view of Langley Research Center … Wikipedia