Adamietz, R., Müller, G., Othman, N., Eicher, F., Tilford, T. ORCID: 0000-0001-8307-6403 , Ferenets, M., Pavuluri, S.K., Desmulliez, M. P.Y. and Bailey, C. ORCID: 0000-0002-9438-3879 (2010) On the integration of microwave curing systems into microelectronics assembly processes. In: Electronics System Integration Technology Conference, ESTC 2010 - Proceedings. IEEE Computer Society, Piscataway, USA, pp. 1-6. ISBN 9781424485536 (Print), 9781424485543 (Online) (doi:https://doi.org/10.1109/ESTC.2010.5642827)

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Abstract

In microelectronics packaging applications a variety of thermosetting polymer materials is applied. Such materials are dispensed in a liquid form and are heated with the intent to cure them. Conventional processes often take several hours to bring the material up to temperatures which result in a significant rate of cure. An alternative approach to curing thermosetting polymers is the use of microwave energy, which has been shown to cure encapsulant materials in substantially shorter times. A recent innovation is the open-ended microwave oven proposed by Sinclair et al.. This paper deals with the implementation of the open-ended microwave oven into a precision placement machine. Two test products for encapsulation and flip-chip serve as objective for microwave-assisted assembly. An integrated system setup including the open ended oven is presented. Modifications on the open-ended microwave oven are described and a concept for the development of an embedded microwave curing system is presented. Tests on curing encapsulant materials dispensed over a commercially available QFN were performed to determine post-process functionality of the package, with no evident detrimental effects.

Item Type:	Conference Proceedings
Title of Proceedings:	Electronics System Integration Technology Conference, ESTC 2010 - Proceedings
Additional Information:	This paper was published in the Proceedings of the Conference on Electronics System-Integration Technology, held 13-16 September 2010, Berlin, Germany.
Uncontrolled Keywords:	microwave energy, microwave curing system
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments:	School of Computing & Mathematical Sciences School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis School of Computing & Mathematical Sciences > Department of Mathematical Sciences
Related URLs:	Publisher Organisation Organisation
Last Modified:	12 Jul 2019 14:44
URI:	http://gala.gre.ac.uk/id/eprint/4303

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