Concepts, roadmaps and challenges of ovenized MEMS gyroscopes: A review

Y Wang, R Cao, C Li, RN Dean - IEEE sensors journal, 2020 - ieeexplore.ieee.org
The MEMS gyroscope by means of oven control, or the so-called ovenized MEMS
gyroscope, isolates the die from the external environment and utilizes a closed-loop …

MEMS resonators for frequency reference and timing applications

G Wu, J Xu, EJ Ng, W Chen - Journal of …, 2020 - ieeexplore.ieee.org
An overview of microelectromechanical systems (MEMS) resonators for frequency reference
and timing applications is presented. The progress made in the past few decades in design …

Real-time temperature compensation of MEMS oscillators using an integrated micro-oven and a phase-locked loop

JC Salvia, R Melamud, SA Chandorkar… - Journal of …, 2009 - ieeexplore.ieee.org
We present a new temperature compensation system for microresonator-based frequency
references. It consists of a phase-locked loop (PLL) whose inputs are derived from two …

Temperature-insensitive composite micromechanical resonators

R Melamud, SA Chandorkar, B Kim… - Journal of …, 2009 - ieeexplore.ieee.org
Utilizing silicon and silicon dioxide's opposing temperature coefficients of Young's modulus,
composite resonators with zero linear temperature coefficient of frequency are fabricated …

Intrinsic temperature compensation of aluminum nitride Lamb wave resonators for multiple-frequency references

JH Kuypers, CM Lin, G Vigevani… - 2008 IEEE International …, 2008 - ieeexplore.ieee.org
In this paper we present the temperature compensation of aluminum nitride (AlN) Lamb
wave resonators for a future application to XOs and TCXOs for a frequency ranging from 100 …

[HTML][HTML] Tailoring the nonlinear response of MEMS resonators using shape optimization

LL Li, PM Polunin, S Dou, O Shoshani… - Applied Physics …, 2017 - pubs.aip.org
We demonstrate systematic control of mechanical nonlinearities in micro-electromechanical
(MEMS) resonators using shape optimization methods. This approach generates beams …

A bulk acoustic mode single-crystal silicon microresonator with a high-quality factor

JEY Lee, Y Zhu, AA Seshia - Journal of micromechanics and …, 2008 - iopscience.iop.org
This paper details a bulk acoustic mode resonator fabricated in single-crystal silicon with a
quality factor of 15 000 in air, and over a million below 10 mTorr at a resonant frequency of …

A single-crystal-silicon bulk-acoustic-mode microresonator oscillator

JEY Lee, B Bahreyni, Y Zhu… - IEEE Electron Device …, 2008 - ieeexplore.ieee.org
A timing reference incorporating a single-crystal-silicon micromechanical resonator with a
quality factor of larger than one million and a resonant frequency of 2.18 MHz is …

Ovenized dual-mode clock (ODMC) based on highly doped single crystal silicon resonators

Y Chen, EJ Ng, DD Shin, CH Ahn… - 2016 IEEE 29th …, 2016 - ieeexplore.ieee.org
This work demonstrates, for the first time, ovenization of a fully-encapsulated dual-mode
silicon MEMS resonator operational over a large ambient temperature range. We maintain a …

Stability of silicon microelectromechanical systems resonant thermometers

EJ Ng, HK Lee, CH Ahn, R Melamud… - IEEE Sensors …, 2012 - ieeexplore.ieee.org
The frequency stability of single-crystal silicon microelectromechanical systems resonators
encapsulated with epitaxial polysilicon (epi-seal) is investigated. As silicon resonators have …