Results 1 to 10 of about 2,030,078 (295)

Performance of a Low Energy Ion Source with Carbon Nanotube Electron Emitters under the Influence of Various Operating Gases [PDF]

open access: yesNanomaterials, 2020
Low energy ion measurements in the vicinity of a comet have provided us with important information about the planet’s evolution. The calibration of instruments for thermal ions in the laboratory plays a crucial role when analysing data from in-situ
Huzhong Zhang   +6 more
doaj   +2 more sources

Cathode Design Optimization toward the Wide-Pressure-Range Miniature Discharge Ion Source for a Vacuum Micropump [PDF]

open access: yesSensors, 2019
It is difficult to generate and maintain the vacuum level in vacuum MEMS (Micro-Electro-Mechanical Systems) devices. Currently, there is still no single method or device capable of generating and maintaining the desired vacuum level in a vacuum device ...
Tongtong Yao   +3 more
doaj   +2 more sources

Development and Evaluation of Ferrite Core Inductively Coupled Plasma Radio Frequency Ion Source for High-Current Ion Implanters in Semiconductor Applications [PDF]

open access: yesSensors
This study presents the development of a ferrite core inductively coupled plasma (ICP) radio frequency (RF) ion source designed to improve the lifetime of ion sources in commercial ion implanters.
Jong-Jin Hwang   +2 more
doaj   +2 more sources

Design, Fabrication and Mass-spectrometric Studies of a Micro Ion Source for High-Field Asymmetric Waveform Ion Mobility Spectrometry [PDF]

open access: yesMicromachines, 2019
A needle-to-cylinder electrode, adopted as an ion source for high-field asymmetric ion mobility spectrometry (FAIMS), is designed and fabricated by lithographie, galvanoformung and abformung (LIGA) technology.
Hua Li   +6 more
doaj   +2 more sources

Focused ion beam-induced platinum deposition with a low-temperature cesium ion source [PDF]

open access: yesBeilstein Journal of Nanotechnology
In addition to precise milling, the deposition of material at a specific location on a sample surface is a frequently used process of focused ion beam (FIB) systems.
Thomas Henning Loeber   +5 more
doaj   +2 more sources

An Integrated Microfabricated Chip with Double Functions as an Ion Source and Air Pump Based on LIGA Technology [PDF]

open access: yesSensors, 2017
The injection and ionization of volatile organic compounds (VOA) by an integrated chip is experimentally analyzed in this paper. The integrated chip consists of a needle-to-cylinder electrode mounting on the Polymethyl Methacrylate (PMMA) substrate.
Hua Li   +5 more
doaj   +2 more sources

Tin–Lead Liquid Metal Alloy Source for Focused Ion Beams [PDF]

open access: yesMicromachines
Focused Ion Beam (FIB) systems are increasingly utilized in nanotechnology for nanostructuring, surface modification, doping, and rapid prototyping.
Bryan Flores   +6 more
doaj   +2 more sources

Ion Source—Thermal and Thermomechanical Simulation

open access: yesAerospace, 2021
The main purpose of this work is to conduct ground development testing of the ion source intended for use the space debris contactless transportation system.
Victoria V. Svotina   +2 more
doaj   +1 more source

Negative Hydrogen Ion Sources for Fusion: From Plasma Generation to Beam Properties

open access: yesFrontiers in Physics, 2021
The neutral beam injection systems for the international fusion experiment ITER used for heating, current drive, and diagnostic purposes are based on RF-driven negative hydrogen ion sources with a source area of roughly 0.9 m × 1.9 m. The sources operate
U. Fantz   +4 more
doaj   +1 more source

The efficiency of a focusing system based on thin diaphragms in the ion source with a corona discharge

open access: yesSt. Petersburg Polytechnical University Journal: Physics and Mathematics, 2023
In this work, a charged particle beam transport in an ion source with a corona discharge, the source being equipped with a focusing system based on thin diaphragms in the standing gas and at atmospheric pressure, has been studied experimentally.
Pomozov Timofey   +2 more
doaj   +1 more source

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