[PDF][PDF] Review of micromachined optical accelerometers: from mg to sub-μg

Q Lu, Y Wang, X Wang, Y Yao, X Wang… - Opto-Electronic …, 2021 - researching.cn
Micro-Opto-Electro-Mechanical Systems (MOEMS) accelerometer is a new type of
accelerometer which combines the merits of optical measurement and Micro-Electro …

Design, modelling and characterization of comb drive MEMS gap-changeable differential capacitive accelerometer

R Li, Z Mohammed, M Rasras, IAM Elfadel, D Choi - Measurement, 2021 - Elsevier
This paper presents design optimization, numerical modelling, fabrication and
characterization of a single-axis comb drive MEMS gap-changeable differential capacitive …

A high-frequency resonant framed-annulus pitch or roll gyroscope for robust high-performance single-chip inertial measurement units

H Wen, A Daruwalla, CS Liu… - Journal of …, 2018 - ieeexplore.ieee.org
This paper introduces a novel resonator design for a high-frequency mode-matched pitch (or
roll) gyroscope featuring large excitation amplitude and high Coriolis coupling to address …

[HTML][HTML] A High-Performance MEMS Accelerometer with an Improved TGV Process of Low Cost

Y Fu, G Han, J Gu, Y Zhao, J Ning, Z Wei, F Yang, C Si - Micromachines, 2022 - mdpi.com
High-performance MEMS accelerometers usually use a pendulum structure with a larger
mass. Although the performance of the device is guaranteed, the manufacturing cost is high …

[PDF][PDF] Precision high-bandwidth out-of-plane accelerometer as contact microphone for body-worn auscultation devices

P Gupta, Y Jeong, J Choi… - 2018 Solid-State …, 2018 - engineering.purdue.edu
This paper reports on the implementation and characterization of wafer-level-packaged
accelerometer contact microphones having wide bandwidth (fres> 10 kHz) and low-noise (< …

High-G and high-bandwidth bulk acoustic wave (BAW) accelerometers using a metal-less AlN-HARPSS process with 95 nm gaps

A Daruwalla, H Wen, M Gong, F Ayazi - IEEE Sensors Letters, 2020 - ieeexplore.ieee.org
We present a 4.4-MHz resonant accelerometer based on the electrostatic softening effect in
a bulk acoustic wave (BAW) resonator, fabricated using a metal-less AlN-HARPSS process …

A double differential torsional accelerometer with higher than 10-kHz measurement bandwidth for vibration monitoring

Z Hou, G Liu, T Miao, J Feng, D **ao… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
This article reports the design, fabrication, application-specific integrated circuit (ASIC),
package, and characterization of a-axis accelerometer with double differential torsional …

A wide-bandwidth tri-axial pendulum accelerometer with fully-differential nano-gap electrodes

Y Jeong, DE Serrano, F Ayazi - Journal of Micromechanics and …, 2018 - iopscience.iop.org
This paper presents the implementation and characterization of a single proof-mass wide-
bandwidth pendulum accelerometer with fully-differential sensitivity in all three axes. The …

Epitaxially-grown thick polysilicon for baw disk resonator gyroscopes with very low dissipation

A Daruwalla, H Wen, R Mirjalili… - 2018 IEEE Micro Electro …, 2018 - ieeexplore.ieee.org
This paper reports, for the first time, on characterization of gyroscopic modes in solid epi-
poly disk resonators, showing Qs exceeding 1M at~ 3MHz with a maximum fQ of 4.2 e× 10 …

Hermetically-encapsulated unidirectional accelerometer contact microphone for wearable applications

P Gupta, H Wen, A Daruwalla… - 2019 IEEE …, 2019 - ieeexplore.ieee.org
We report on a novel wafer-level-packaged accelerometer contact microphone to pick up
acoustic vibrations orthogonal to its contact surface without responding to airborne acoustic …