Results 1 to 10 of about 543,955 (307)

Effect of Measurement System Configuration and Operating Conditions on 2D Material-Based Gas Sensor Sensitivity

open access: yesNanomaterials, 2023
Gas sensors applied in real-time detection of toxic gas leakage, air pollution, and respiration patterns require a reliable test platform to evaluate their characteristics, such as sensitivity and detection limits.
Jongwon Ryu   +8 more
doaj   +1 more source

Design and optimization of an integrated MEMS gas chamber with high transmissivity

open access: yesDigital Communications and Networks, 2021
Non-Dispersive InfraRed (NDIR) gas sensor is widely used for gas detection in collieries and the gas chemical industry, etc. The performance of the NDIR gas sensor depends on the volume, optical length and transmittance of the gas chamber.
Yang Jing   +9 more
doaj   +1 more source

A Room Temperature ZnO-NPs/MEMS Ammonia Gas Sensor

open access: yesNanomaterials, 2022
This study uses ultrasonic grinding to grind ZnO powder to 10–20-nanometer nanoparticles (NPs), and these are integrated with a MEMS structure to form a ZnO-NPs/MEMS gas sensor.
Ting-Jen Hsueh, Ruei-Yan Ding
doaj   +1 more source

A TSV-Structured Room Temperature p-Type TiO2 Nitric Oxide Gas Sensor

open access: yesApplied Sciences, 2022
Planar MOS/MEMS gas sensors have been widely studied and applied, but the detection of exhaled gas has been little developed. The flow rate of exhaled gas affects the suspension structure of the MEMS gas sensor and the operating temperature of the gas ...
Yu-Ming Yeh   +3 more
doaj   +1 more source

Decoration of CuO NWs Gas Sensor with ZnO NPs for Improving NO2 Sensing Characteristics

open access: yesSensors, 2021
This paper introduces a method for improving the sensitivity to NO2 gas of a p-type metal oxide semiconductor gas sensor. The gas sensor was fabricated using CuO nanowires (NWs) grown through thermal oxidation and decorated with ZnO nanoparticles (NPs ...
Tae-Hee Han   +5 more
doaj   +1 more source

Sistem Deteksi Kebocoran Gas Sederhana Berbasis Arduino Uno

open access: yesRekayasa, 2020
Penggunaan gas di berbagai sendi kehidupan manusia sekarang ini tidak dapat terhindarkan, mulai dari kebutuhan skala rumah tangga hingga industri. Dalam upaya meningkatkan pencegahan terjadinya kecelakaan kerja akibat kebocoran gas, kontrol terhadap ...
Nurul Hidayat   +3 more
doaj   +1 more source

Highly sensitive micro coriolis mass flow sensor [PDF]

open access: yes, 2008
We have realized a micromachined micro Coriolis mass flow sensor consisting of a silicon nitride resonant tube of 40 ?m diameter and 1.2 μm wall thickness. Actuation of the sensor in resonance mode is achieved by Lorentz forces.
de Boer, Meint J.   +6 more
core   +4 more sources

Millimeter wave carbon nanotube gas sensor [PDF]

open access: yes, 2007
This Letter reports experimental observations regarding the significant changes in the transmission modulus and phase of the propagating microwave signals up to 110 GHz in a micromachined coplanar waveguide supported on a dielectric membrane with a ...
Bary, Laurent   +6 more
core   +3 more sources

Karakterisasi Sensor Gas CO Berbasis Bahan SnO2 dengan Metoda Solgel Menggunakan Teknologi Film Tebal

open access: yesJurnal Elektronika dan Telekomunikasi, 2016
Sensor gas SnO2 termasuk sensor yang paling banyak digunakan dan dikembangkan di pasaran, tapi sampai saat ini belum bisa menghasilkan sensitivitas yang tinggi. Dalam penelitian ini dibahas mengenai karakterisasi sensor gas CO dengan teknologi film tebal
I Dewa Putu Hermida   +2 more
doaj   +1 more source

Low-Cost Calibration MOS Gas Sensor for Measuring SO2 Pollutants in Ambient Air [PDF]

open access: yesNature Environment and Pollution Technology, 2022
Air pollution has evolved into a global issue that necessitates immediate and accurate pollution control. The usage of the Metal Oxide Semiconductor (MOS) sensor as a monitoring system for air pollution levels is one possible answer to this challenge ...
R. Purbakawaca, A.S. Yuwono, I.D.M. Subrata and H. Alatas
doaj   +1 more source

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