Contactless electromagnetic imaging of power electronic semiconductor devices. Application to the characterization of surface metalizations ageing: Application à la caractérisation du vieillissement des métallisations de surface

Abstract

The ageing of the metallization layer of power semiconductor dies can be a cause of failure. Indeed, this ageing is likely to modify the distribution of the currents flowing within the chip, and cause hot spots. In this study, we evaluate this ageing by two noncontact electromagnetic techniques: the eddy current technique and the inversion of a magnetic flux density cartography. Experimental results show that these methods are promising for the monitoring of the ageing of power semiconductor die metallization.

Translated title of the contribution	Contactless electromagnetic imaging of power electronic semiconductor devices. Application to the characterization of surface metalizations ageing
Original language	French
Pages (from-to)	65-89
Number of pages	25
Journal	Instrumentation Mesure Metrologie
Volume	12
Issue number	1-2
DOIs	https://doi.org/10.3166/I2M.12.1-2.65-89
Publication status	Published - 1 Dec 2012
Externally published	Yes

Keywords

Ageing
Characterization
Eddy current sensors
Hall effet Sensor
Inverse problem
Metallization
Semiconductor power module
Surface current distribution

ASJC Scopus subject areas

Instrumentation
Engineering (miscellaneous)

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10.3166/I2M.12.1-2.65-89

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Imagerie électromagnétique sans contact de composants électroniques de puissance à semi-conducteurs : Application à la caractérisation du vieillissement des métallisations de surface. / Nguyen, Tien Anh; Lefebvre, Stéphane; Joubert, Pierre Yves.

In: Instrumentation Mesure Metrologie, Vol. 12, No. 1-2, 01.12.2012, p. 65-89.

Research output: Contribution to journal › Article

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AU - Lefebvre, Stéphane

AU - Joubert, Pierre Yves

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AB - The ageing of the metallization layer of power semiconductor dies can be a cause of failure. Indeed, this ageing is likely to modify the distribution of the currents flowing within the chip, and cause hot spots. In this study, we evaluate this ageing by two noncontact electromagnetic techniques: the eddy current technique and the inversion of a magnetic flux density cartography. Experimental results show that these methods are promising for the monitoring of the ageing of power semiconductor die metallization.

KW - Ageing

KW - Characterization

KW - Eddy current sensors

KW - Hall effet Sensor

KW - Inverse problem

KW - Metallization

KW - Semiconductor power module

KW - Surface current distribution

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Imagerie électromagnétique sans contact de composants électroniques de puissance à semi-conducteurs: Application à la caractérisation du vieillissement des métallisations de surface

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Cite this