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Page "Lithography" ¶ 23
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Electron and beam
* Electron beam processing
* Electron beam melting
* Electron beam welding
* Electron beam technology
Category: Electron beam
Electron beam lithography ( EBL ) is a method of etching semiconductors at resolutions smaller than a micron.
Electron beam processing is used to irradiate materials in order to change their physical properties or sterilize medical and food products.
Electron beam lithography is also important commercially, primarily for its use in the manufacture of photomasks.
Electron beam lithography has the disadvantage of being much slower than photolithography.
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 ), (" exposing " the resist ) and of selectively removing either exposed or non-exposed regions of the resist (" developing ").
Half of a pure, Electron beam melting | electron-beam remelted ruthenium bar
Electron beam tomography is a specific form of CT in which a large enough X-ray tube is constructed so that only the path of the electrons, traveling between the cathode and anode of the X-ray tube, are spun using deflection coils.
Category: Electron beam
* Electron Microscopy Center ( EMC ) – one of three DOE-supported scientific user facilities for electron beam microcharacterization.
Category: Electron beam
* Electron beam melting, a type of additive manufacturing for metal parts
* Electron beam and laser brazing
* Electron beam, a stream of electrons observed in vacuum tubes
* Electron beam processing is also commonly used for medical device sterilization.
Category: Electron beam
Electron beam excitation is used in electron microscopes, scanning electron microscopes ( SEM ) and scanning transmission electron microscopes ( STEM ).
Electron beam welding ( EBW ) is a fusion welding process in which a beam of high-velocity electrons is applied to the materials being joined.

Electron and lithography
Electron beam lithography ( often abbreviated as e-beam lithography ) is the practice of emitting a beam of electrons in a patterned fashion across a surface covered with a film ( called the resist ), (" exposing " the resist ) and of selectively removing either exposed or non-exposed regions of the resist (" developing ").
Electron beam lithography systems used in commercial applications are dedicated e-beam writing systems that are very expensive (>$ 4M USD ).
Electron beam lithography systems can be classified according to both beam shape and beam deflection strategy.
* Electron lithography research engineer, coherent electron beam source designer
Electron beam lithography was most popular during the 1970s, but was replaced in popularity by X-ray lithography during the 1980s and early 1990s, and then by EUV lithography from the mid-1990s to the mid-2000s.
Electron beam and nanoimprint lithography are limited mainly by the throughput, while EUV and X-ray lithography are limited by implementation and operation costs.
* Electron beam lithography

Electron and is
The Acorn Electron is a budget version of the BBC Micro educational / home computer made by Acorn Computers Ltd.
There are at least 500 known games for the Electron and the true total is probably in the thousands.
If Acorn had thought to include this small modification in the original Electron design it is likely the machine would have had a much greater impact as it would have nearly doubled the amount of motion possible in games and saved modes 0 – 3 ( including the only 16 colour mode ) from being nearly useless due to contended memory timings.
The Electron is widely misquoted as operating at 1. 79 MHz after measurements derived from speed testing against the thoroughly 2 MHz BBC Micro for various pieces of ' common software '
Notable popular games particularly associated with the Electron include: Crystal Castles ( video game ) | Crystal Castles is an example of a popular arcade game officially ported to the Electron ( US Gold ).
Electron software is predominantly archived in the UEF file format.
Electron degeneracy pressure is a quantum-mechanical effect arising from the Pauli exclusion principle.
Electron gas can undergo plasma oscillation, which is waves caused by synchronized variations in electron density, and these produce energy emissions that can be detected by using radio telescopes.
The Transmission Electron Aberration-corrected Microscope is capable of sub-0. 05 nm resolution, which is more than enough to resolve individual atoms.
Electron counting is a formalism used for classifying compounds and for explaining or predicting electronic structure and bonding.
# Electron in the initial state is represented by a solid line with an arrow pointing toward the vertex (→•).
# Electron in the final state is represented by a line with an arrow pointing away from the vertex: (•→).
Electron capture is the main decay mode for isotopes lighter than the < sup > 51 </ sup > V.
* July 10 – Donald Crowhurst's trimaran Teignmouth Electron is found drifting and unoccupied.
Electron paramagnetic resonance, otherwise known as Electron Spin Resonance ( ESR ) is a spectroscopic technique similar to NMR, but uses unpaired electrons instead.

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