We now have a Jandel(TM) 4 point probe system in BRK 2261. It can be used to measure the resistivity of samples using the 4-point technique. Please contact me for training or any other questions. -- Aamer Mahmood Microfab Research Engineer Birck Nanotechnology Center Discovery Park, Purdue University 1205 West State Street West Lafayette, IN 47907 USA Tel: +1(765) 494 6697