A Review of MEMS Capacitive Microphones
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Hamzah, Azrul Azlan
Majlis, Burhanuddin Yeop
Mohd-Yasin, Faisal
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Abstract
This review collates around 100 papers that developed micro-electro-mechanical system (MEMS) capacitive microphones. As far as we know, this is the first comprehensive archive from academia on this versatile device from 1989 to 2019. These works are tabulated in term of intended application, fabrication method, material, dimension, and performances. This is followed by discussions on diaphragm, backplate and chamber, and performance parameters. This review is beneficial for those who are interested with the evolutions of this acoustic sensor.
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Micromachines
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11
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5
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© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Electrical engineering
Electronics, sensors and digital hardware
Nanotechnology
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Zawawi, SA; Hamzah, AA; Majlis, BY; Mohd-Yasin, F, A Review of MEMS Capacitive Microphones, Micromachines, 11 (5), pp. 484:1-484:26