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Contribution à l'intégration d'un indicateur de vieillissement lié à l'état mécanique de composants électroniques de puissance

Emmanuel Marcault 1
1 LAAS-ISGE - Équipe Intégration de Systèmes de Gestion de l'Énergie
LAAS - Laboratoire d'analyse et d'architecture des systèmes
Abstract : This work is part of an inter-Carnot ANR project "ReMaPoDe (Reliability Management of Power Devices)." The overall project objective is to provide a device to evaluate the real-time status of ageing of a power assembly by monitoring its thermal and mechanical states during operation. Most of the work presented in this thesis consists in highlighting the relationship between the assembly mechanical ageing and the observed electrical evolution. Moreover, due to the thermal problems related to embedded applications, the electrical characteristic chosen as an indicator must allowed to overcome the effects of temperature. Consequently, following a state of the art dedicated to the presentation of different types of ageing and failures encountered in power assemblies, we will distinguish different electrical characteristics that seem promising to monitor in real time the mechanical ageing state of a power device assembly in spite of ambient temperature variations and the ageing of some materials constituting the assembly.
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Submitted on : Thursday, September 6, 2012 - 3:42:08 PM
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  • HAL Id : tel-00728764, version 1

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Emmanuel Marcault. Contribution à l'intégration d'un indicateur de vieillissement lié à l'état mécanique de composants électroniques de puissance. Micro et nanotechnologies/Microélectronique. INSA de Toulouse, 2012. Français. ⟨tel-00728764⟩

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