Comparison of encapsulant curing with convention and microwave systems
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Tilford, Tim, Sinclair, Keith I., Goussetis, George, Bailey, Christopher, Desmulliez, Marc P.Y., Parrott, Kevin and Sangster, Alan J. (2008) Comparison of encapsulant curing with convention and microwave systems. In: 33rd IEEE/CPMT International Electronic Manufacturing Technology Symposium (IEMT), 2008. IEEE, Piscataway, NJ, USA. ISBN 9781424433926 (print) 9781424433933 (electronic)
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Abstract
Comparison of the performance of a conventional convection oven system with a dual-section microwave system for curing thermosetting polymer encapsulant materials has been performed numerically. A numerical model capable of analysing both the convection and microwave cure processes has been developed and is breifly outliines. The model is used to analyse the curing of a commercially available encapsulant material using both systems. Results obtained from numerical solutions are presented, confirming that the VFM system enables the cure process to be carried out far more rapidly than with the convection oven system. This capability stems from the fundamental heating processes involved, namely that microwave processing enables the heating rate to be varied independently of the material temperature. Variations in cure times, curing rates, maximum temperatures and residual stresses between the processes are fully discussed.
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| Additional Information: | This paper forms part of Proceedings of 33rd IEEE/CPMT International Electronic Manufacturing Technology Symposium (IEMT), 2008, held 4-6 November 2008, Penang, Malaysia. To be published by IEEE, but full text articles unavailable online as of 15/01/2010. ©2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. |
| Uncontrolled Keywords: | polymer encapsulant, curing, convection oven, microwave system |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering Q Science > QA Mathematics > QA76 Computer software |
| School / Department / Research Groups: | School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis School of Computing & Mathematical Sciences School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Computational Mechanics & Reliability Group School of Computing & Mathematical Sciences > Department of Computer Systems Technology School of Computing & Mathematical Sciences > Department of Mathematical Sciences School of Computing & Mathematical Sciences > Computer & Computational Science Research Group School of Computing & Mathematical Sciences > Department of Computer Science School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Computational Science & Engineering Group |
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| Last Modified: | 31 Mar 2011 18:20 |
| URI: | http://gala.gre.ac.uk/id/eprint/1219 |
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