Numerical modelling of electrodeposition phenomena
Strusevitch, Nadia, Hughes, Michael, Bailey, Christopher and Djambazov, Georgi (2008) Numerical modelling of electrodeposition phenomena. 2nd Electronics System-Integration Technology Conference, Greenwich, UK, 1-4 September 2008. Institute of Electrical and Electronics Engineers, Inc., Piscataway, NJ, USA, pp. 281-286. ISBN 978-1-4244-2813-7 (Print) 978-1-4244-2813-7 (Online) (doi:10.1109/ESTC.2008.4684362)
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Electrodeposition is a widely used technique for the fabrication of high aspect ratio microstructure components. In recent years much research has been focused within this area with an aim to understanding the physics behind the filling of high-aspect ratio vias and trenches on PCB's and in particular how they can be made without the formation of voids in the deposited material. This paper describes some of the fundamental work towards the advancement of numerical models that can predict the electrodeposition process and addresses: i) A novel technique for interface motion based on a variation of a donor-acceptor technique ii) A methodology for the investigation of stress profiles in deposits iii) The implementation of acoustic forces to generate replenishing electrolytic flow circulation in recessed features.
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