Development and characterisation of pressed packaging solutions for high-temperature high-reliability SiC power modules

SiC is a wide bandgap semiconductor with better electrothermal properties than silicon, including higher temperature of operation, higher breakdown voltage, lower losses and the ability to switch at higher frequencies. However, the power cycling performance of SiC devices in traditional silicon pack...

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Main Authors: Ortiz Gonzalez, J., Aliyu, Attahir Murtala, Alatise, O., Castellazzi, Alberto, Ran, L., Mawby, P.
Format: Article
Published: Elsevier 2016
Subjects:
Online Access:https://eprints.nottingham.ac.uk/43856/
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author Ortiz Gonzalez, J.
Aliyu, Attahir Murtala
Alatise, O.
Castellazzi, Alberto
Ran, L.
Mawby, P.
author_facet Ortiz Gonzalez, J.
Aliyu, Attahir Murtala
Alatise, O.
Castellazzi, Alberto
Ran, L.
Mawby, P.
author_sort Ortiz Gonzalez, J.
building Nottingham Research Data Repository
collection Online Access
description SiC is a wide bandgap semiconductor with better electrothermal properties than silicon, including higher temperature of operation, higher breakdown voltage, lower losses and the ability to switch at higher frequencies. However, the power cycling performance of SiC devices in traditional silicon packaging systems is in need of further investigation since initial studies have shown reduced reliability. These traditional packaging systems have been developed for silicon, a semiconductor with different electrothermal and thermomechanical properties from SiC, hence the stresses on the different components of the package will change. Pressure packages, a packaging alternative where the weak elements of the traditional systems like wirebonds are removed, have demonstrated enhanced reliability for silicon devices however, there has not been much investigation on the performance of SiC devices in press-pack assemblies. This will be important for high power applications where reliability is critical. In this paper, SiC Schottky diodes in pressure packages have been evaluated, including the electrothermal characterisation for different clamping forces and contact materials, the thermal impedance evaluation and initial thermal cycling studies, focusing on the use of aluminium graphite as contact material.
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institution University of Nottingham Malaysia Campus
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publishDate 2016
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spelling nottingham-438562020-05-04T18:11:52Z https://eprints.nottingham.ac.uk/43856/ Development and characterisation of pressed packaging solutions for high-temperature high-reliability SiC power modules Ortiz Gonzalez, J. Aliyu, Attahir Murtala Alatise, O. Castellazzi, Alberto Ran, L. Mawby, P. SiC is a wide bandgap semiconductor with better electrothermal properties than silicon, including higher temperature of operation, higher breakdown voltage, lower losses and the ability to switch at higher frequencies. However, the power cycling performance of SiC devices in traditional silicon packaging systems is in need of further investigation since initial studies have shown reduced reliability. These traditional packaging systems have been developed for silicon, a semiconductor with different electrothermal and thermomechanical properties from SiC, hence the stresses on the different components of the package will change. Pressure packages, a packaging alternative where the weak elements of the traditional systems like wirebonds are removed, have demonstrated enhanced reliability for silicon devices however, there has not been much investigation on the performance of SiC devices in press-pack assemblies. This will be important for high power applications where reliability is critical. In this paper, SiC Schottky diodes in pressure packages have been evaluated, including the electrothermal characterisation for different clamping forces and contact materials, the thermal impedance evaluation and initial thermal cycling studies, focusing on the use of aluminium graphite as contact material. Elsevier 2016-09-18 Article PeerReviewed Ortiz Gonzalez, J., Aliyu, Attahir Murtala, Alatise, O., Castellazzi, Alberto, Ran, L. and Mawby, P. (2016) Development and characterisation of pressed packaging solutions for high-temperature high-reliability SiC power modules. Microelectronics Reliability, 64 . pp. 434-439. ISSN 0026-2714 SiC Aluminium graphite Pressure packaging https://doi.org/10.1016/j.microrel.2016.07.062 doi:10.1016/j.microrel.2016.07.062 doi:10.1016/j.microrel.2016.07.062
spellingShingle SiC
Aluminium graphite
Pressure packaging
Ortiz Gonzalez, J.
Aliyu, Attahir Murtala
Alatise, O.
Castellazzi, Alberto
Ran, L.
Mawby, P.
Development and characterisation of pressed packaging solutions for high-temperature high-reliability SiC power modules
title Development and characterisation of pressed packaging solutions for high-temperature high-reliability SiC power modules
title_full Development and characterisation of pressed packaging solutions for high-temperature high-reliability SiC power modules
title_fullStr Development and characterisation of pressed packaging solutions for high-temperature high-reliability SiC power modules
title_full_unstemmed Development and characterisation of pressed packaging solutions for high-temperature high-reliability SiC power modules
title_short Development and characterisation of pressed packaging solutions for high-temperature high-reliability SiC power modules
title_sort development and characterisation of pressed packaging solutions for high-temperature high-reliability sic power modules
topic SiC
Aluminium graphite
Pressure packaging
url https://eprints.nottingham.ac.uk/43856/
https://eprints.nottingham.ac.uk/43856/
https://eprints.nottingham.ac.uk/43856/