A review of MEMS oscillators for frequency reference and timing applications

JTM Van Beek, R Puers - Journal of Micromechanics and …, 2011 - iopscience.iop.org
MEMS-based oscillators are an emerging class of highly miniaturized, batch manufacturable
timing devices that can rival the electrical performance of well-established quartz-based …

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 …

A MEMS-Assisted Temperature Sensor With 20- Resolution, Conversion Rate of 200 S/s, and FOM of 0.04 pJK2

MH Roshan, S Zaliasl, K Joo, K Souri… - IEEE Journal of Solid …, 2016 - ieeexplore.ieee.org
This paper presents a dual-microelectromechanical system (MEMS) resonator-based
temperature sensor. In this sensor, the readout circuit estimates the temperature by …

Dual-mode AlN-on-silicon micromechanical resonators for temperature sensing

JL Fu, R Tabrizian, F Ayazi - IEEE Transactions on Electron …, 2014 - ieeexplore.ieee.org
In this paper, we present dual-mode (DM) AlN-on-silicon micromechanical resonators for
self-temperature sensing. In-plane width-shear (WS) and width-extensional (WE) modes of …

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 …

Design of Spring Coupling for High- High-Frequency MEMS Filters for Wireless Applications

MM Shalaby, MA Abdelmoneum… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
A second-order microelectromechanical systems (MEMS) filter with high selectivity and
sharp rolloff is required in wireless transceivers used in dense wireless sensor networks …

Microelectromechanical resonator and a method for producing the same

T Pensala, A Jaakkola - US Patent 8,916,942, 2014 - Google Patents
The invention relates to temperature compensated micro electro-mechanical (MEMS)
resonators (300) preferably made of silicon. Prior art MEMS resonators have a significant …

Design and characterization of a dual-mode CMOS-MEMS resonator for TCF manipulation

MH Li, CY Chen, CS Li, CH Chin… - Journal of …, 2014 - ieeexplore.ieee.org
A novel complimentary metal-oxide-semiconductor-microelectormechanical systems (CMOS-
MEMS) composite ring resonator capable of a dual-mode operation has been proposed to …

Self-calibrated thermal sensors of an integrated circuit die

MA Abdelmoneum, DE Duarte, GF Taylor - US Patent 10,247,624, 2019 - Google Patents
Embodiments of the present disclosure provide self-cali brated thermal sensors of an
integrated circuit (IC) die and associated techniques and configurations. In one embodi …

Micromechanical devices comprising n-type doping agents

T Pensala, A Jaakkola, M Ganchenkova… - US Patent …, 2017 - Google Patents
The invention concerns a micromechanical device and method of manufacturing thereof.
The device comprises an oscillating or deflecting element made of semiconductor material …