ARTICLE
Design and simulation analysis of an integrated xyz micro-actuator for controlling displacement of a scanning probe
| 1 | Hanoi University of Science and Technology, International Training Institute for Materials Science, Hanoi, Vietnam |
| 2 | FPT University, Hanoi, Vietnam |
| 3 | Tohoku University, Department of Finemechanics, Sendai, Japan |
CORRESPONDING AUTHOR
Manh Hoang Chu
International Training Institute for Materials Science, Hanoi University of Science and Technology, Viet Nam
International Training Institute for Materials Science, Hanoi University of Science and Technology, Viet Nam
Submission date: 2020-06-18
Final revision date: 2020-10-03
Acceptance date: 2020-10-19
Online publication date: 2020-12-08
Publication date: 2021-01-15
Journal of Theoretical and Applied Mechanics 2021;59(1):143–156
KEYWORDS
TOPICS
ABSTRACT
We report an integrated micro-actuator for independent control of the displacement in three
orthogonal directions. Electrostatic comb drives are employed for controlling the displace-
ment in the x and y directions while a parallel plate-type actuation is used for driving the
displacement in the z direction. The three actuators are mechanically coupled, but are elec-
trically isolated. The calculation models are established for investigating the operation char-
acteristics of the micro-actuator. The calculated results are in good agreement with those
obtained by the finite element method in Comsol Multiphysics 4.3. The results of modal
analysis show that the displacement in the three orthogonal directions can be independently
controlled with low mode cross-talk.
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