Wu, L.; Lin, Y.-S. Design and Investigation of Dual-Axis Electrostatic Driving MEMS Scanning Micromirror. Preprints2023, 2023121406. https://doi.org/10.20944/preprints202312.1406.v1
APA Style
Wu, L., & Lin, Y. S. (2023). Design and Investigation of Dual-Axis Electrostatic Driving MEMS Scanning Micromirror. Preprints. https://doi.org/10.20944/preprints202312.1406.v1
Chicago/Turabian Style
Wu, L. and Yu-Sheng Lin. 2023 "Design and Investigation of Dual-Axis Electrostatic Driving MEMS Scanning Micromirror" Preprints. https://doi.org/10.20944/preprints202312.1406.v1
Abstract
Micro-electro-mechanical systems (MEMS) are once proposed in 1970s and evolving rapidly. The current researchers are seeking for better designs and better applications of MEMS actuators. This work presents an electrostatic driven dual-axis scanning micromirror, i.e., two-dimensional (2D) scanning micromirror with a mirror size of 500 μm × 500 μm. The scanning mirror is implemented by using bulk micromachining process on silicon on insulator (SOI) substrate, which is compatible with present complementary metal oxide semiconductor (CMOS) manufacturing technology. The scanning frequencies of the slow and the fast axis are 4.87 kHz and 31.15 kHz, respectively. The impact factors of the dimensions of comb fingers and torsional beams are analyzed and discussed in this study. Under the driving voltage difference of 100 volts and 70 volts, the deviation angle is 4.57° × 13.08°. Therefore, a simple design of a dual-axis MEMS scanning micromirror is proposed, which can be precisely controlled without additional complex sensors or circuits.
Keywords
MEMS; electrostatic actuator; scanning mirror; dynamical control
Subject
Engineering, Electrical and Electronic Engineering
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
