The development of micromachined gyroscope structure and circuitry technology

D **a, C Yu, L Kong - Sensors, 2014 - mdpi.com
This review surveys micromachined gyroscope structure and circuitry technology. The
principle of micromachined gyroscopes is first introduced. Then, different kinds of MEMS …

GaAs manufacturing processes conditions for micro-and nanoscale devices

F Joint, C Abadie, PB Vigneron, L Boulley… - Journal of Manufacturing …, 2020 - Elsevier
High aspect-ratio etchings are a key aspect of the fabrication of III–V semiconductor devices.
The increasing demand for diverse geometries with various characteristic lengths (from the …

Piezoelectric gyroscope with transversal drive transducer

H Kuisma - US Patent 10,775,172, 2020 - Google Patents
This disclosure relates to a microelectromechanical gyroscope comprising a substrate with
an inertial mass suspended from a suspension structure which allows the first inertial mass …

Piezoelectric rotational MEMS resonator

H Kuisma - US Patent 10,884,018, 2021 - Google Patents
This disclosure reveals a resonator where at least one suspended inertial mass is driven
into rotational oscillation by a piezoelectric drive transducer, or where the rotational motion …

A digital interface asic for triple-axis mems vibratory gyroscopes

R Lv, Q Fu, W Chen, L Yin, X Liu, Y Zhang - Sensors, 2020 - mdpi.com
This paper proposes a solution for sensing spatial angular velocity. A high-performance
digital interface application specific integrated circuit (ASIC) for triple-axis micro …

Electromechanical and process design of a 3 axis piezoelectric MEMS gyro in GaAs

A Piot, B Bourgeteau, O Le Traon… - 2015 DGON Inertial …, 2015 - ieeexplore.ieee.org
This paper deals with the conception and realization of a 3 axis gyrometer in GaAs known as
CVG (Coriolis Vibrating Gyro), designed thanks to MEMS (Micro Electro Mechanical …

Novel structure of double-H tuning fork for dual-axis quartz micro-electro-mechanical system angular rate sensor

K Zhao, L Feng, Q Wang, F Cui… - Japanese Journal of …, 2013 - iopscience.iop.org
A novel structure of a double-H tuning fork for an angular rate sensor, which can detect two-
axial angular rates on a single quartz chip, is proposed in this article. Multiple sensing forks …

Modeling and design of a planar 3-axis MEMS rate gyro

I Roland, S Masson, O Ducloux… - SENSORS, 2011 …, 2011 - ieeexplore.ieee.org
This paper deals with the design and fabrication of a 3-axis Coriolis Vibrating micro Gyro
(μCVG), based on a single planar monolithic structure. The presented μCVG design ensures …

Piezoelectric rotational MEMS resonator

H Kuisma - US Patent 10,910,549, 2021 - Google Patents
This disclosure reveals a resonator where at least one suspended inertial mass is driven
into rotational oscillation by a piezoelectric drive transducer, or where the rotational motion …

Concatenated suspension in a piezoelectric gyroscope

H Kuisma - US Patent 10,782,130, 2020 - Google Patents
The disclosure describes a microelectromechanical gyroscope comprising a substrate and
at least one inertial mass suspended from an anchor points by a suspension structure …