Acoustic wake-up technology for microsystems: a review

D Yang, J Zhao - Micromachines, 2023 - mdpi.com
Microsystems with capabilities of acoustic signal perception and recognition are widely used
in unattended monitoring applications. In order to realize long-term and large-scale …

Equivalent Electrical Circuits for Electroacoustic MEMS Design: A Review

R Liechti - Journal of Micromechanics and Microengineering, 2024 - iopscience.iop.org
At the era of powerful computers, it's tempting to employ finite element models early in the
design phase of a device. However, especially for MEMS devices, the dimensional ratios …

[HTML][HTML] Piezoelectric Micromachined Microphone with High Acoustic Overload Point and with Electrically Controlled Sensitivity

L Rufer, J Esteves, D Ekeom, S Basrour - Micromachines, 2024 - mdpi.com
Currently, the most advanced micromachined microphones on the market are based on a
capacitive coupling principle. Capacitive micro-electromechanical-system-based (MEMS) …

Design and Optimization of a BAW Microphone Sensor

H Guo, J Li, T Liu, M Feng, Y Gao - Micromachines, 2022 - mdpi.com
A wind tunnel experiment is an important way and effective method to research the
generation mechanism of aerodynamic noise and verify aerodynamic noise reduction …

Design and Modeling of Piezoelectric-AlN-based Acoustic Sensor for Sound Pressure Level Measurements

WR Ali, Aditi, M Prasad - IETE Technical Review, 2023 - Taylor & Francis
This paper illustrates the design of a piezoelectric acoustic sensor based on AlN to be used
for aero-acoustic measurements. A significant prerequisite for such sensors is a large sound …

Simulation and Optimization of Piezoelectric Micromachined Ultrasonic Transducer Unit Based on AlN

X Su, X Ren, H Wan, X Jiang, X Liu - Electronics, 2022 - mdpi.com
The relatively low piezoelectric constant of aluminum nitride (AlN) piezoelectric film limits the
development and application of the acoustic field performance of AlN-based micromachined …

MEMS Acoustic Sensor for Low Frequency Applications

WR Ali, A Raunak, A Kumar, M Prasad - International Workshop on the …, 2021 - Springer
This work presents the design of a piezoelectric based MEMS acoustic sensor for low
frequency applications. The sensor design is based on MEMS-CAD-tool Coventorware. The …