Working group leader	Dr. rer. nat. Uwe Brand +49 (0) 531 592-5111 +49 (0) 531 592-69-5111 uwe.brand@ptb.de

3d-micro-measuring device	Dipl.-Ing. (FH) Jürgen Kirchhoff +49 (0) 531 592-5185 juergen.kirchhoff@ptb.de
3d-micro-probe 3d-calibration device special research area 516	Dr. Ing. Sebastian Bütefisch +49 (0) 531 592-5119 sebastian.buetefisch@ptb.de
Si-cantilever sensors	Dr. rer. nat. Uwe Brand +49 (0) 531 592-5111 +49 (0) 531 592-69-5111 uwe.brand@ptb.de
nano-force metrology	Dr. rer. nat. habil. Vladimir Nesterov +49 (0) 531 592-5110 vladimir.nesterov@ptb.de
standards	Harald Schnädelbach +49 (0) 531 592-5116 harald.schnaedelbach@ptb.de
adress	Physikalisch-Technische Bundesanstalt Working Group 5.11 Nanoforce Metrology for Tactile Sensors Bundesallee 100 38116 Braunschweig Germany