The process of developing a nanopositioning and nanomeasuring system is described. The piezoelectric micro-motion stage is based on the principle of inchworm motion. The traditional single actuator is updated to the double actuators. With the novel principle of push-pull relay movement the stage can move continuously and smoothly. In order to achieve nano-measurement a new method called coupled differential interferometry is proposed. An optical system with 8 times optical path difference is adopted. The new interferometer is simple in concept, without optical paths and easy to set up. In addition the real time error compensation of the interferential signals is accomplished by the Heydemann model. The experiment results show: the minimum step of the micro-motion stage is 18nm, the accuracy of the interferometry is 10–12nm.
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2007 First International Conference on Integration and Commercialization of Micro and Nanosystems
January 10–13, 2007
Sanya, Hainan, China
Conference Sponsors:
- Nanotechnology Institute
ISBN:
0-7918-4265-7
PROCEEDINGS PAPER
Study on a Positioning and Measuring System With Nanometer Accuracy
Yong-Yue Qi
,
Yong-Yue Qi
Tianjin University, Tianjin, China
Search for other works by this author on:
Mei-Rong Zhao
,
Mei-Rong Zhao
Tianjin University, Tianjin, China
Search for other works by this author on:
Yu-Chi Lin
Yu-Chi Lin
Tianjin University, Tianjin, China
Search for other works by this author on:
Yong-Yue Qi
Tianjin University, Tianjin, China
Mei-Rong Zhao
Tianjin University, Tianjin, China
Yu-Chi Lin
Tianjin University, Tianjin, China
Paper No:
MNC2007-21030, pp. 1573-1577; 5 pages
Published Online:
June 8, 2009
Citation
Qi, Y, Zhao, M, & Lin, Y. "Study on a Positioning and Measuring System With Nanometer Accuracy." Proceedings of the 2007 First International Conference on Integration and Commercialization of Micro and Nanosystems. First International Conference on Integration and Commercialization of Micro and Nanosystems, Parts A and B. Sanya, Hainan, China. January 10–13, 2007. pp. 1573-1577. ASME. https://doi.org/10.1115/MNC2007-21030
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