switch – TechConnect Briefs

Design and Fabrication of Electromechanical Tweezers based on CNT Ropes

RAslan A., Basrour S., Le Poche H., CEA-LETI,Minatec, FR

The aim of this work is to design and fabricate electromechanical tweezers based on CNT ropes. The electromechanical behaviour of such ropes has been studied. The average of Young’s modulus of the rope has been [...]

Simulation of Constant-Charge Biasing Integrated Circuit for High Reliability Capacitive RF MEMS Switch

Choi K.H., Lee J.B., Goldsmith C.L., The University of Texas at Dallas, US

This paper provides simulation results for a constant-charge biasing IC for capacitive RF MEMS switches to drastically improve reliability. It is well known that there are some forefront issues for RF MEMS switches to be [...]

Multiphysics Modeling and Simulation for a MEMS Thermal-Mechanical Switch

Wang W., Popuri R., Onishi S., Bumgarner J., Langebrake L., University of South Florida, US

This paper presents the results of finite element analysis (FEA) modeling and simulation including thermal-electric-structural multiphysics contact phenomenon for a MEMS thermal-mechanical DC switch. The parametric model can be used for design optimizations.The switch consists [...]

Interdigitated Low-Loss Ohmic RF-MEMS Switches

Gaddi R., Bellei M., Gnudi A., Margesin B., Giacomozzi F., ARCES - University of Bologna, IT

An interdigitated design for MEMS RF-switches is applied to both a shunt and a series ohmic contact configuration. Interdigitated Al-Ti-TiN RF-signal paths and poly actuation electrodes are arranged underneath an electrodeposited gold plate, suspended by [...]

Dynamic Simulation of MEMS Switches using Simulink

Combes D.J., Brunson K.M., John R., Bunyan T., QinetiQ Ltd, UK

A nodal model is implemented in Simulink and used to investigate the dynamics of electrostatically actuated MEMS switches. The model is based on reduced order 4DOF beam elements, with electrostatic forces based on simple parallel [...]

Very Large Scale Integration of MOEMS Mirrors, MEMS Angular Amplifiers and High-voltage, High-density IC Electronics for Photonic Switching

Bryzek J., Nasiri S., Flannery A., Kwon H., Novack M., Marx D., Sigari El, Chen E., Garate J., Transparent Networks, US

The demand for communication bandwidth together with advances in MEMS (micro-electro-mechanical systems) technology has spurred rapid development in the field of MOEMS (micro-optical-electrical mechanical systems). One exciting opportunity is in the area of photonic switching. [...]

Numerical Simulations of Novel Constant-Charge Biasing Method for Capacitive RF MEMS Switch

Lee J., Goldsmith C., University of Texas at Dallas, US

In the capacitive RF MEMS SW, it has been shown that every 5V of increased actuation voltage decreases the lifetime by an order of magnitude. In this paper, a novel method for automatically controlling the [...]

Simulation of a Diamond-Based Bistable Thermal Microswitch

Schmid P., Hernandez-Guillen F.J., Kohn E., University of Ulm, DE

A novel bistable layout for a thermally driven microswitch based on polycrystalline diamond has been developed and evaluated by simulations. The device is based on a double-anchored, free standing diamond beam, which buckles due to [...]

Very Large Scale Integration of MOEMS Mirrors, MEMS Angular Amplifiers and High-voltage, High-density IC Electronics for Photonic Switching

Bryzek J., Nasiri S., Flannery A., Kwon H., Novack M., Marx D., Sigari El, Chen E., Garate J., Transparent Networks, US

The demand for communication bandwidth together with advances in MEMS (micro-electro-mechanical systems) technology has spurred rapid development in the field of MOEMS (micro-optical-electrical mechanical systems). One exciting opportunity is in the area of photonic switching. [...]

Optimal Design of a MEMS Relay Switch

Brenner M.P., Lang J., Li J., Qiu J., Slocum A., Harvard University, US

We describe a novel methodology for predicting optimal designs for microelectromechanical devices. The methods are applied towards the optimization of component shapes of a bistable MEMS switch. Small modifications in component shapes lead to a [...]