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Electroforming simulations based on the level set method

Published online by Cambridge University Press:  13 June 2007

M. Purcar ,
J. Deconinck ,
B. Van den Bossche  and
L. Bortels
M. Purcar*
Affiliation:
ELSYCA NV, Z.1. Researchpark, 310 1731 Zellik, Belgium
J. Deconinck
Affiliation:
Vrije Universiteit Brussel, Department of Electrical Engineering, Pleinlaan 2, 1050 Brussels, Belgium
B. Van den Bossche
Affiliation:
ELSYCA NV, Z.1. Researchpark, 310 1731 Zellik, Belgium
L. Bortels
Affiliation:
ELSYCA NV, Z.1. Researchpark, 310 1731 Zellik, Belgium
*
marius.purcar@elsyca.com
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Abstract

This paper proposes a general applicable numericalalgorithm for the simulation of two dimensional electrode shapechanges during electroforming processes. The computational modelconsists of two coupled problems: electrode shape change ratecomputation and a moving boundary problem. The innovative aspect isthat the electrode shape is computed over a number of predefinedtime steps by convection of its surface proportional with and in thedirection of the local growth rate. Validation of the electrodegrowth algorithm is made by comparison with experimental resultsobtained for the electrode growth in the vicinity of a singularity(incident angle between the electrode and insulator = 180°).Finally an example related to the plating of two adjacent wires inorder to demonstrate the strong features of the applied method willbe presented.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 39 , Issue 2: NUMELEC 2006 , August 2007 , pp. 85 - 94
Copyright
© EDP Sciences, 2007

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