Study on a symmetrically supported electrostatic actuated micro-platform

Jianliang You; Muthukumaran Packirisamy; Ion Stiharu

doi:10.1117/12.708253

8 September 2006 Study on a symmetrically supported electrostatic actuated micro-platform

Jianliang You, Muthukumaran Packirisamy, Ion Stiharu

Proceedings Volume 6343, Photonics North 2006; 63433Y (2006) https://doi.org/10.1117/12.708253
Event: Photonics North 2006, 2006, Quebec City, Canada

Abstract

This paper presents modeling, design, and prototyping of a z-axis micro-platform actuator fabricated by MicraGEM (Micralyne GEneralized MEMS) process. With 4 crossly arranged rotational serpentine springs and 12 μm of gap between the circular disk and the bottom electrode underneath it, this platform demonstrates its simple actuation, easy control and capability of fine tuning the vertical displacement in the range of 0.5 μm to 3.0 μm through varying the applied electrical bias. Positioning sensitivity and repeatability of the platform with respect to the applied voltage have been estimated and verified by mathematical model. With proper selection of springs and their geometric parameters, high sensitivity of the z-axis platform actuators can be obtained. The proposed electrostatically actuated micro-platform will gain importance in micro-positioning for optical MEMS and microphotonic devices.

Citation Download Citation

Jianliang You, Muthukumaran Packirisamy, and Ion Stiharu "Study on a symmetrically supported electrostatic actuated micro-platform", Proc. SPIE 6343, Photonics North 2006, 63433Y (8 September 2006); https://doi.org/10.1117/12.708253

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