Feedback control circuits in scanning probe microscopes are used for maintaining a fixed relationship between a probe and a surface. Use of feedback control in mechanical profilers dates back to 1972 with the work of Russell Young at NIST.
Pacific Nanotechnology is awarding a $500 Amazon.com gift certificate to the person that is able to correctly identify the sample used to create July's contest image.
Pacific Nanotechnology is awarding a $500 Amazon.com gift certificate to the person that is able to correctly identify the sample used to create July's contest image.