GREG HAUGSTAD, PhD, is a technical staff member and Director of the Characterization Facility in the College of Science and Engineering at the University of Minnesota. He has collaborated with industry professionals on such technologies as medical X-ray imaging media, lubrication, inkjet printing, and more recently on biomedical device coatings. He teaches undergraduate and graduate AFM courses, as well as short professional courses, and has trained over 600 AFM users.