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  4. Parylene Coatings in Power Electronic Modules
 
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2019
Presentation
Title

Parylene Coatings in Power Electronic Modules

Title Supplement
Presentation held at ISAPP 2019, International Symposium on Advanced Power Packaging 2019, October 7&8, 2019, Osaka, Japan
Abstract
Double sided cooling (DSC) of power electronic modules enables higher power densities and lower parasitics which can be advantageous, especially for using wide bandgap power semiconductor devices [1]. Therein, insulation materials possessing good gap filling capabilities are needed and Parylene coatings seem to be highly promising [2]. Parylene F-VT4 and F-AF4 coatings were studied for their suitability as insulation material in double sided power electronic modules. Gap penetration behavior, adhesion as well as electrical insulation were compared. For the latter two properties, the effect of aging via temperature shock testing (TST, Tmin: -40 °C, Tmax: 220 °C, 300 cycles) was studied. For both Parylene types the gap filling capability tests showed promising results. Partial discharge measurements before and after TST showed that the Parylene F-AF4 coated samples maintain their insulation strength in the chosen TST conditions, whereas the Parylene F-VT4 coated do not. Cross-cut testing of the Parylene F-VT4 coated samples before and after TST resulted in no or little reduction of the adhesion due to TST.
Author(s)
Diepgen, A.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Zimmermann, V.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Bayer, C.F.  
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Zhou, Y.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Forster, C.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Wilbers, P.
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Leib, J.  
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Schletz, A.  
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Virtanen, S.
Chair for Surface Science and Corrosion. FAU
März, M.  
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Conference
International Symposium on Advanced Power Packaging (ISAPP) 2019  
DOI
10.24406/publica-fhg-405612
File(s)
N-565345.pdf (765.31 KB)
Rights
Under Copyright
Language
English
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
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