Contribution à l'étude de la durée de vie des assemblages de puissance dans des environnements haute température et avec des cycles thermiques de grande …

L Dupont - 2006 - theses.hal.science
Dans le domaine des applications avioniques, des dispositifs d'électronique de puissance
sont susceptible d'être placés sur le réacteur avec, dans le pire des cas, une température …

Reverse leakage current instability of power fast switching diodes operating at high junction temperature

VVN Obreja, C Codreanu… - 2005 IEEE 36th Power …, 2005 - ieeexplore.ieee.org
Some power electronics applications reveal performance weakness of fast recovery silicon
diodes, in spite of significant advance made in their switching performance. The maximum …

Microwave dielectric properties of polytetrafluoroethylene‐polyacrylate composite films made via aerosol deposition

S O'Keefe, CK Luscombe - Polymer International, 2016 - Wiley Online Library
Few studies have examined the deposition of polytetrafluoroethylene (PTFE) using additive
manufacturing and their subsequent properties in microwave devices. The present study …

The operation temperature of silicon power thyristors and the blocking leakage current

VVN Obreja, C Codreanu, C Podaru… - 2004 IEEE 35th …, 2004 - ieeexplore.ieee.org
Typical experimental blocking IV characteristics measured from room temperature up to high
junction temperature for commercial thyristors available on the market at this time are …

Reverse current instability of power silicon diodes (thyristors) at high temperature and the junction surface leakage current

VVN Obreja, CC Codreanu, KI Nuttall… - Proceedings of the …, 2005 - ieeexplore.ieee.org
Examples of reverse (blocking) IV characteristics for PN junctions from available commercial
power diodes and thyristors are shown. The surface leakage component of the junction …

Wearable Sensors in Extreme Environments

T Beckingham - 2023 - search.proquest.com
Demonstrated within this thesis is the use of sensors in extreme environments which is an
important field of study considering the special nature associated with such deployments …

Failure analysis of power silicon devices at operation above 200° C junction temperature

VVN Obreja, KI Nuttall, O Buiu… - … Conference on Thermal …, 2007 - ieeexplore.ieee.org
A temperature of 200degC for the PN junction of power silicon devices (diodes, thyristors,
transistors) is known as a limit for their reliable performance. PN junction failure after …

Experiments on behaviour of power silicon PN junctions under reverse bias voltage at high temperature

VVN Obreja, C Codreanu, K Nuttall… - … Conference on Thermal …, 2004 - ieeexplore.ieee.org
By suitable change of the junction-base (heatsink) thermal resistance for commercially
available power diode dice, it has been found out that at high temperature internal …

Catastrophic failure of power silicon PN junctions at high temperature induced by the surface leakage reverse current

VVN Obreja, O Buiu, KI Nuttall… - Proceedings of the …, 2004 - ieeexplore.ieee.org
The operation of commercial power silicon devices, available at this time, is not possible
above 175-200/spl deg/C junction temperature, without risk of failure. The surface leakage …

The semiconductor-dielectric interface from PN junction periphery and its influence on reliability of power devices at high temperature

VVN Obreja - 2008 14th International Workshop on Thermal …, 2008 - ieeexplore.ieee.org
Data sheets of commercial power semiconductor devices and modules available at this time
on the market indicate a maximum permissible junction temperature specified in a range of …