405documents trouvés
New insights into reliability of electrostatic capacitive RF MEMS switches
U.ZAGHLOUL HEIBA, G.J.PAPAIOANNOU, B.BHUSHAN, F.COCCETTI, P.PONS, R.PLANA
MINC, Athenes, NLBB
Rapport LAAS N°11543, DOI: 10.1017/S1759078711000766, Octobre 2011, 24p.
Diffusable
125535Evaluation de diverses micro-sources de génération et stockage d'énergie. Rapport 2 - Cartographie de l'énergie électrique récupérable
M.BAFLEUR, H.AUBERT, H.BLONDEAUX, G.CLUZET, L.DESPOISSE, J.M.DILHAC, S.HEBIB, P.PONS, A.TAKACS
ISGE, MINC, Thalès Alenia Space, Thalès Alenia Space
Rapport de Contrat : Etude CNES R&T n° 115052, Octobre 2011, 47p. , N° 11753
Non diffusable
126419A wireless passive RCS-based temperature sensor using liquid metal and microfluidics technologies
A.TRAILLE, S.BOUAZIZ, S.PINON, P.PONS, H.AUBERT, A.BOUKABACHE, E.TENTZERIS
Georgia Institute, MINC, N2IS
Manifestation avec acte : European Microwave Week (EuMW 2011), Manchester (UK), 9-14 Octobre 2011, 4p. , N° 11788
Diffusable
126519Nanoscale characterization of different stiction mechanisms in electrostatic RF-MEMS switches
U.ZAGHLOUL HEIBA, B.BHUSHAN, P.PONS, G.J.PAPAIOANNOU, F.COCCETTI, R.PLANA
MINC, NLBB, Athenes
Manifestation avec acte : European Microwave Week 2011 (EuMC 2011), Manchester (UK), 9-14 Octobre 2011, pp.478-481 , N° 11793
Lien : http://hal.archives-ouvertes.fr/hal-00670114
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Abstract
In this work, for the first time different stiction mechanisms in electrostatic RF-MEMS switches were studied. Stiction is caused by two main mechanisms: dielectric charging and meniscus formation resulting from the adsorbed water film between the switch bridge and the dielectric layer. The effect of each mechanism and their interaction were investigated by measuring the adhesive force under different electrical stress conditions and relative humidity levels. An atomic force microscope (AFM) was used to perform force-distance measurements on the nanoscale. The study provides an in-depth understanding of different stiction mechanisms, and explanation for the literature reported device level measurements for electrostatic capacitive MEMS switches.
Working principle description of the wireless passive EM transduction pressure sensor
M. M.JATLAOUI, F.CHEBILA, P.PONS, H.AUBERT
MINC
Revue Scientifique : European Physical Journal - Applied Physics, Vol.56, N°1, 13702p., Octobre 2011 , N° 11457
Lien : http://hal.archives-ouvertes.fr/hal-00629017/fr/
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Abstract
The development of a new passive wireless pressure sensor, based on the Electromagnetic transduction, is reported. The sensing element is a flexible high resistivity silicon membrane located above a coplanar resonator. The comprehensive coverage of the physical bases is beyond the scope of this paper. For the remote extraction of the applied pressure value, the passive pressure sensor is connected to a broadband horn antenna via a coaxial delay line. When interrogated by a Frequency Modulated Continuous Wave Radar, the level of the backscattered signal changes in response to applied pressure. The measured dynamic is about 0.8 dBm/Bar. This completely passive and wireless pressure telemetry micro-sensor has been designed, fabricated and characterized, thereby eliminating the need for contact, signal processing circuits, and power supplies to be contained within conventional sensors.
On the reliability of electrostatic NEMS/MEMS devices: Review of present knowledge on the dielectric charging and stiction failure mechanisms and novel characterization methodologies
U.ZAGHLOUL HEIBA, G.J.PAPAIOANNOU, B.BHUSHAN, F.COCCETTI, P.PONS, R.PLANA
MINC, Athenes, NLBB
Manifestation avec acte : European Symposium Reliability of Electron Devices Failure Physics and Analysis (ESREF 2011), Bordeaux (France), 3-7 Octobre 2011, 7p. , N° 11542
Diffusable
125852On the reliability of electrostatic NEMS/MEMS devices: Review of present knowledge on the dielectric charging and stiction failure mechanisms and novel characterization methodologies
U.ZAGHLOUL HEIBA, G.J.PAPAIOANNOU, B.BHUSHAN, F.COCCETTI, P.PONS, R.PLANA
MINC, Athenes, NLBB
Papier invité dans une revue : Microelectronics Reliability, Vol.51, N°9-11, pp.1810-1818, Octobre 2011 , N° 11542
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125853Filière technologique des MEMS RF au LAAS
C.VILLENEUVE, P.PONS, S.AOUBA, P.F.CALMON
MINC, TEAM
Rapport LAAS N°11478, Septembre 2011, 27p.
Diffusable
125279Flexible integration techniques for wireless sensors network deployment: application to aircraft structure health monitoring
D.DRAGOMIRESCU, M. M.JATLAOUI, S.CHARLOT, T.BELUCH, P.PONS, H.AUBERT, R.PLANA
TEAM, MINC
Manifestation avec acte : International Workshop on Structural Health Monitoring (IWSHM 2011), Stanford (USA), 13-15 Septembre 2011, pp.1519-1526 , N° 11453
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125299Wireless Passive Autonomous Sensors with Electromagnetic Transduction
P.PONS, H.AUBERT, P.MENINI, E.TENTZERIS
MINC, M2D
Manifestation avec acte : International Conference on Microwave and High Frequency Heating (AMPERE 2011), Toulouse (France), 5-8 Septembre 2011, 6p. , N° 11792
Lien : http://hal.archives-ouvertes.fr/hal-00670122
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Plus d'informations
Abstract
Wireless sensors market is growing very fast these last years tanks to the availability of cheap, small and efficient micro-sensors, batteries, analog and RF circuits, and to the presence of standardized communication protocols. Even if these active sensors are very attractive for a lot of applications, they suffer from weak energy autonomy and they are not compatible with harsh environment. In order to overcome these problems, we have developed a new kind of wireless sensors using electromagnetic transducers and radar interrogation. These passive sensors (battery-less and without electronic components) have been studied for pressure, temperature and gas applications.