Concepts, roadmaps and challenges of ovenized MEMS gyroscopes: A review
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 …
gyroscope, isolates the die from the external environment and utilizes a closed-loop …
MEMS resonators for frequency reference and timing applications
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 …
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 …
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 …
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 …
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
We demonstrate systematic control of mechanical nonlinearities in micro-electromechanical
(MEMS) resonators using shape optimization methods. This approach generates beams …
(MEMS) resonators using shape optimization methods. This approach generates beams …
A bulk acoustic mode single-crystal silicon microresonator with a high-quality factor
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 …
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
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 …
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
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 …
silicon MEMS resonator operational over a large ambient temperature range. We maintain a …
Stability of silicon microelectromechanical systems resonant thermometers
The frequency stability of single-crystal silicon microelectromechanical systems resonators
encapsulated with epitaxial polysilicon (epi-seal) is investigated. As silicon resonators have …
encapsulated with epitaxial polysilicon (epi-seal) is investigated. As silicon resonators have …