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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

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

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

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

Fault Detection Approach of Cyclotron Ion Sources Based on KPCA-ISSA-SVM [PDF]

open access: yesSensors
To address the challenges of difficult feature extraction and suboptimal parameter configuration for cyclotron ion source fault diagnosis in complex environments, this study proposes an intelligent diagnostic framework integrating Kernel Principal ...
Yunlong Li   +6 more
doaj   +2 more sources

A review article on Ciprofloxacin determination with various analytical techniques. [PDF]

open access: yesRecords of Pharmaceutical & Biomedical Sciences, 2021
Ciprofloxacin belongs to the fluoroquinolone family, which exhibits biological activity against both gram-positive and gram-negative bacteria. The previously mentioned drug is of utmost importance due to the high incidence of resistance caused by other ...
Randa Abdel Salam   +5 more
doaj   +1 more source

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

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