1. Institute for Microstructure of Materials and Systems IMWS,Electronics Business Unit Fraunhofer,Halle,Germany,06120
2. Fraunhofer Institute for Microstructure of Materials and Systems IMWS,Halle,Germany,06120
3. University of Padova,Dept. of Information Engineering,Padova,Italy,35131
4. United Monolithic Semiconductor UMS Wilhelm-Runge-Straße 11,Ulm,Germany,89081