1. Fraunhofer Institute for Reliability and Microintegration, Gustav-Meyer-Allee 25, 13355 Berlin, Germany
2. Xyratex Technology Ltd., Langstone Road, Havant, Hampshire, PO9 1SA, United Kingdom
3. ILFA Feinstleitertechnik GmbH, Lohweg 3, 30559 Hannover, Germany
4. Technical University of Berlin, Gustav-Meyer-Allee 25, 13355 Berlin, Germany