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Institut Matériaux Microélectronique Nanosciences de Provence (IM2NP)
Post-doctoral position: Design and characterization of a printed antenna and harvesting circuit for MRI
Institut Matériaux Microélectronique Nanosciences de Provence (IM2NP)
Relier le fondamental aux applications dans nos domaines d'expertise. Unité de recherche pluridisciplinaire de plus de 300 personnes aux confluents de la physique, de la chimie et de la micro-électronique, l’IM2NP possède un large spectre de compétences qui lui permet de relier de nombreux aspects fondamentaux aux applications dans les domaines des matériaux avancés, de l’électronique intégrée et des nanosciences.
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Publié: il y a 10 jours
Date limite d'inscription: Non Spécifiée
Localisation: Marseille, France
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Post-doctoral position: Design and characterization of a printed antenna and harvesting circuit for MRI

Post-doctoral position - 1 year

This project aims to develop an antenna allowing very high-field MRI scans applied to osteoarthritic imaging. This antenna will be designed on a flexible substrate by printing. A magnetic field recovery module developed in the laboratory will be added to remote power electronics associated with the antenna.

The main problem of osteoarthritic imaging is the low signal-to-noise ratio. The goal will therefore be to increase the signal-to-noise ratio of the measurement while improving the examination conditions for the patient. To achieve this goal, two solutions must be put in place:

1. The first solution is to develop the reception antenna on flexible substrates thanks to printing process. This solution will allow a better adaptation to the body of the patient and thus a higher signal-to-noise ratio than the standard systems

2. A second solution to reduce noise is to design the receiving electronics as close as possible to the antenna and optimize it according to the characteristics of the antenna. These issues of reception antennas including more and more electronics pose the problem of their power supply, if MRI compatible batteries are usable these require significant maintenance. A solution put forward recently in these environments with high RF field is to use this power to remotely power the electronics of the receiving antenna.

A global system approach of design and realization antenna / circuit should allow to overcome its problems and to increase the SNR of the system.

Required profile:

- Knowledge of RF simulation tools (CST, HFSS, FEKO, ......) and RF electronics (ADS ...)

- Antenna design

- Physics of MRI

- Flexible Substrate Printing - Electronics

Contact: emmanuel.bergeret@univ-amu.fr

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2 POSTES PROPOSÉS PAR CET EMPLOYEUR

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