1. Robert Bosch GmbH,Corporate Sector Research and Advance Engineering,Renningen,Germany
2. Robert Bosch GmbH,Automotive Electronics Division,Schwieberdingen,Germany
3. Fraunhofer Institute for Ceramic Technologies and Systems,Branch Materials Diagnostics,Dresden,Germany
4. Saarland University,Institute for Microintegration and Reliability,Saarbruecken,Germany