Squeeze film air damping in MEMS

M Bao, H Yang - Sensors and Actuators A: Physical, 2007 - Elsevier
The paper presents an overview and reports the recent progress of research on squeeze
film air damping in MEMS. The review starts with the governing equations of squeeze film air …

A design methodology for a bulk-micromachined two-dimensional electrostatic torsion micromirror

Z Hao, B Wingfield, M Whitley, J Brooks… - Journal of …, 2003 - ieeexplore.ieee.org
This paper presents a design methodology for a two-dimensional (2-D) electrostatic torsion
micromirror fabricated with bulk-micromachining technology. The theoretical models in …

Damping of a micro-resonator torsion mirror in rarefied gas ambient

A Minikes, I Bucher, G Avivi - Journal of Micromechanics and …, 2005 - iopscience.iop.org
Damping in resonating MEMS mirrors has a profound effect on the dynamical behavior. The
validity of the existing theories is investigated in this work by theoretical and experimental …

Air damping influence on dynamic parameters of laminated composite plates

M Wesolowski, E Barkanov - Measurement, 2016 - Elsevier
Damping performance of lightweight composite structures, like fibre reinforced plastics
(FRPs) is more efficient than the conventional materials. This phenomena was found …

Squeeze-film air damping of a torsion mirror at a finite tilting angle

M Bao, Y Sun, J Zhou, Y Huang - Journal of Micromechanics and …, 2006 - iopscience.iop.org
This paper proposes an analytical model for calculating the squeeze-film air damping of a
rectangular torsion mirror at finite normalized tilting angles. The general Reynolds equation …

A semi-analytical model for squeeze-film damping including rarefaction in a MEMS torsion mirror with complex geometry

AK Pandey, R Pratap - Journal of Micromechanics and …, 2008 - iopscience.iop.org
A semi-analytical approach is presented to model the effects of complicated boundary
conditions and rarefaction on the squeeze-film damping dependent quality factor in a double …

Analytical investigation of air squeeze film damping for bi‐axial micro‐scanner using eigenfunction expansion method

R Atabak, HM Sedighi, A Reza… - … Methods in the Applied …, 2020 - Wiley Online Library
Squeeze film damping is an important factor in the dynamic stability of the bi‐axial
microelectromechanic systems. The purpose of this article is to provide an analytical solution …

Physical analysis of a biomimetic microphone with a central-supported (CS) circular diaphragm for sound source localization

CC Chen, YT Cheng - IEEE Sensors Journal, 2011 - ieeexplore.ieee.org
This paper presents a physical analysis of the biomimetic microphone designed with a
central-supported (CS) diaphragm for the sound source localization. A clover-stem-like CS …

Monolithic 2-D scanning mirror using self-aligned angular vertical comb drives

J Kim, D Christensen, L Lin - IEEE Photonics Technology …, 2005 - ieeexplore.ieee.org
We have demonstrated microfabricated, monolithic two degrees of freedom (two-
dimensional) electrostatic torsional mirrors using a three-mask process on silicon-on …

Influence of boundary conditions on the dynamic characteristics of squeeze films in MEMS devices

AK Pandey, R Pratap, FS Chau - Journal of …, 2007 - ieeexplore.ieee.org
Micromechanical structures that have squeeze-film damping as the dominant energy
dissipation mechanism are of interest in this paper. For such structures with narrow air gap …