Journal
MECHATRONICS
Volume 18, Issue 5-6, Pages 282-288Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechatronics.2008.02.007
Keywords
AFM; fast scanning; nano-positioning; nanotechnology; scanning probe; real-time imaging; mechanical design
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A novel design of a scanning unit for atomic force microscopy (AFM) is presented that enables scanning speeds three orders of magnitude faster than compared to conventional AFMs. The new scanner is designed for high mechanical resonance frequencies, based on a new scanner design, which is optimized using finite element analysis. For high-speed scanning a new controller, based on input-shaping techniques, has been developed that reduces imaging artifacts due to the scanner's dynamics. The implementation of the new AFM system offers imaging capabilities of several thousand lines per second with a scanning range of 13 mu m in both scanning directions, and the freedom to choose the fast scan-axis in any arbitrary direction in the X-Y-plane. (c) 2008 Elsevier Ltd. All rights reserved.
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