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Proceedings Paper

Piezoelectric inchworm-type probe-approaching stepper
Author(s): Xing Fu; Wenlan Xiao; Linyan Xu
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Paper Abstract

A piezoelectronic inchworm-style stepper was designed for probe approaching in scanning probe microscope(SPM). The whole system consists of mechanical structures, hardware control units and PC software control units. Flexible hinges and three PZT stacks were used to constitute the stepper. ANSYS was utilized to analyze and optimize the structure of the mechanism. Three synchronous timing sequences were formed to drive the piezoelectric stacks. The performance of the stepper was tested by the laser interferometer. The deviation of each step is less than 31.2nm. With the advantages of no lubrication, less calorific value and high precision, its potential application is ultra-high vacuum environment.

Paper Details

Date Published: 15 November 2011
PDF: 6 pages
Proc. SPIE 8321, Seventh International Symposium on Precision Engineering Measurements and Instrumentation, 83210Z (15 November 2011); doi: 10.1117/12.903935
Show Author Affiliations
Xing Fu, Tianjin Univ. (China)
Wenlan Xiao, Tianjin Univ. (China)
Linyan Xu, Tianjin Univ. (China)

Published in SPIE Proceedings Vol. 8321:
Seventh International Symposium on Precision Engineering Measurements and Instrumentation
Kuang-Chao Fan; Man Song; Rong-Sheng Lu, Editor(s)

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