Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Lévy, A."'
Publikováno v:
2021 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS).
In this paper, we present recent advances on a quartz Microelectromechanical system (MEMS) resonator. This resonator is well suited to replace standard macroscopic crystal quartz resonators in crystal oscillators combining high performances, low cost
Publikováno v:
2017 Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS (DTIP).
This paper presents a reduced order model including the resonator and the mechanical moment induced by the thin film on the resonator. The model development is presented as well as its experimental validation with four magnetometer prototypes. This m
Autor:
P. Lavenus, O. Le Traon, B. Bourgeteau, Iännis Roland, J. Guerard, N. Isac, Alain Bosseboeuf, A. Piot, Raphaël Lévy
Publikováno v:
2015 DGON Inertial Sensors and Systems Symposium (ISS).
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 Systems) technologies. This original 3 axis gyroscope [1] can measure angular
Publikováno v:
2015 Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS (DTIP).
This paper presents the preliminary work to demonstrate the feasibility of a miniature resonator based magnetometer. This magnetometer consists of a thin film of ferromagnetic material sputtered on a cantilever with a magnetic moment aligned along th
Publikováno v:
ICTAI (2)
Proceedings of the 22nd International Conference on Tools with Artificial Intelligence (ICTAI 2010)
ICTAI
ICTAI, Oct 2010, Arras, France. pp.142-149
Proceedings of the 22nd International Conference on Tools with Artificial Intelligence (ICTAI 2010)
ICTAI
ICTAI, Oct 2010, Arras, France. pp.142-149
International audience; The contemporary world produces huge bodies of policies and regulations, while the underlying procedures tend to be automated in decision systems, which are designed to define, deploy, execute, monitor and maintain the various
Publikováno v:
2014 International Symposium on Inertial Sensors and Systems (ISISS).
This paper reports a status on performances of the VIG Coriolis Vibrating Gyro developed at ONERA, and compares physical limits of this vibrating structure with promising new geometries for the next generation of sensors. Recent researches focused on
Publikováno v:
2014 International Symposium on Inertial Sensors and Systems (ISISS).
This paper reports the design, realization and test of a 50 nano-g resolution Vibrating Beam Accelerometer (VBA). Based on the VIA or DIVA quartz vibrating beam accelerometers, dedicated for tactical applications (±100 g measurement range, 300 μg r
Autor:
S. Masson, O. Le Traon, Denis Janiaud, Claude Chartier, J. Guerard, Vincent Gaudineau, Raphaël Lévy, O. Ducloux
Publikováno v:
2012 IEEE Sensors.
Although the Vibrating Beam Accelerometer (VBA) shows excellent performances (resolution
Autor:
Valentina Ivanova, Stéphane Guillerez, Solenn Berson, Cyril Chappaz-Gillot, Raul Salazar, Denis Rouchon, Claude Lévy-Clément, Sylvia Sanchez
Publikováno v:
2012 International Semiconductor Conference Dresden-Grenoble (ISCDG).
The present study is divided in two parts. In the first part, the electrochemical deposition of ZnO 2D layers and nanowires and their photosensitization with extremely thin absorbing layers of CdS, CdTe, CuInS 2 (CIS) and Cu 2 ZnSnS 4 (CZTS) is discu
Autor:
Raphaël Lévy, R. Taibi, J. Guerard, O. Le Traon, Denis Janiaud, S. Masson, Marc Pernice, O. Ducloux
Publikováno v:
2012 European Frequency and Time Forum.
Quartz crystal has been an essential material for time and frequency and radio-frequency applications during the 20th century. Quartz is always an unmatched material at the beginning of the 21st century, and hold 80 % of oscillators & RF market which