Results 11 to 20 of about 2,382,538 (250)

Design, simulation and experiment of a cusp electron beam for millimeter wave gyro-devices [PDF]

open access: yes, 2009
The design, simulation and experiment of a thermionic cusp electron gun that is to be used for millimeter wave generation will be presented. A cusp gun uses a non-adiabatic magnetic field reversal to obtain azimuthal motion on an electron beam resulting ...
Phelps, Alan   +5 more
core   +4 more sources

Estimation of the electron beam-induced specimen heating and the emitted X-rays spatial resolution by Kossel microdiffraction in a scanning electron microscope [PDF]

open access: yes, 2012
Lien vers la version éditeur: http://www.sciencedirect.com/science/article/pii/S0304399112000307A Kossel microdiffraction experimental setup has been developed inside a Scanning Electron Micro-scope for crystallographic orientation, strain and stress ...
BERVEILLER, Sophie   +7 more
core   +1 more source

Analyzing the Nanogranularity of Focused-Electron-Beam-Induced-Deposited Materials by Electron Tomography

open access: yes, 2019
Nanogranular material systems are promising for a variety of applications in research and development. Their physical properties are often determined based on the grain sizes, shapes, mutual distances, and chemistry of the embedding matrix.
Gerald Kothleitner   +9 more
core   +3 more sources

Design and Performance of a Focus-Detection System for Use in Laser Micromachining

open access: yesMicromachines, 2016
We describe a new approach for locating the focal position in laser micromachining. This approach is based on a feedback system that uses a charge-coupled device (CCD) camera, a beam splitter, and a mirror to focus a laser beam on the surface of a work ...
Binh Xuan Cao   +6 more
doaj   +1 more source

Editorial for Special Issue “Piezoelectric Aluminium Scandium Nitride (AlScN) Thin Films: Material Development and Applications in Microdevices”

open access: yesMicromachines, 2023
The enhanced piezoelectric properties of aluminum scandium nitride (Al1−xScxN or AlScN) were discovered in 2009 by Morito Akiyama’s team [...]
Agnė Žukauskaitė
doaj   +1 more source

Low secondary electron yield engineered surface for electron cloud mitigation [PDF]

open access: yes, 2014
Secondary electron yield (SEY or δ) limits the performance of a number of devices. Particularly, in high-energy charged particle accelerators, the beam-induced electron multipacting is one of the main sources of electron cloud (e-cloud) build up on the ...
Oleg B. Malyshev   +14 more
core   +1 more source

Two-step hybrid process of movable part inside glass substrate using ultrafast laser

open access: yesMicro and Nano Systems Letters, 2021
We demonstrate a two-step hybrid process for fabricating movable parts inside glass substrate using the selective laser-induced etching (SLE) process that is consisted of laser-direct writing and wet chemical etching.
Jeongtae Kim   +4 more
doaj   +1 more source

Glass Substrate Dust Removal Using 233 fs Laser-Generated Shockwave

open access: yesMicromachines, 2021
Eliminating dust is gaining importance as a critical requirement in the display panel manufacturing process. The pixel resolution of display panels is increasing rapidly, which means that even small dust particles on the order of a few micrometers can ...
Myeongjun Kim   +3 more
doaj   +1 more source

Pepper-pot emittance measurement of laser-plasma wakefield accelerated electrons [PDF]

open access: yes, 2009
The transverse emittance is an important parameter governing the brightness of an electron beam. Here we present the first pepper-pot measurement of the transverse emittance for a mono-energetic electron beam from a laser-plasma wakefield accelerator ...
Shanks, R. P.   +11 more
core   +4 more sources

Composition formulas of solid-solution alloys derived from chemical-short-range orders

open access: yesScientific Reports, 2022
Solid solutions are the basis for most industrial alloys. However, the relationships between their characteristic short-range orders and chemical compositions have not been established.
Zhuang Li   +5 more
doaj   +1 more source

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