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Electron-beam welding (EBW) is a fusion welding process in which a beam of high-velocity electrons is applied to two materials to be joined. The workpieces melt and flow together as the kinetic energy of the electrons is transformed into heat upon impact.
Since the beginning of electron-beam welding on an industrial scale at the end of the 1950s, countless electron-beam welders have been designed and are being used worldwide. These welders feature working vacuum chambers ranging from a few liters up to hundreds of cubic meters, with electron guns carrying power of up to 100 kW.
Sciaky begins research on a new manufacturing process called Electron Beam Free Form Fabrication (EBFFF) in 2000.. Single VME x86 board W20x0 weld control system In 2007, Sciaky earns a contract with the National Aeronautics and Space Administration's (NASA) Langley Research Center [10] to create a new EB gun system in the U.S. incorporating the EBFFF system and tested on a microgravity ...
Etec Corporation of Hayward, California, was formed in 1970 as a producer of scanning electron microscopes (SEMs), but later became a producer of electron beam lithography tools, and SEM manufacture was discontinued. Etec later merged with ATEQ of Beaverton, Oregon (Portland area), which manufactured laser beam lithography tools. The combined ...
Electron beam welding: 51 511: EBW Deep penetration, fast, high equipment cost Electroslag welding: 72: ESW Welds thick workpieces quickly, vertical position, steel only, continuous consumable electrode Heavy plate fabrication, construction, shipbuilding Flow welding (previously cast welding)
Multibeam developed miniature, all-electrostatic columns for e-beam lithography, that provide a maskless and high throughput platform for writing nanoscale IC patterns seamlessly across full wafers. Arrays of e-beam columns operate simultaneously and in parallel to increase wafer processing speed.