Bistability under tension and its use in a threshold force sensor

S. Rabanim, E. Amir, D. Schreiber, S. Krylov*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We report on a first experimental demonstration of a bistability phenomenon in a contactless device suspended using initially curved flexible beams and pulled by electrostatic forces directed along the beams. Devices of several configurations were fabricated from a silicon on insulator (SOI) substrate using a deep reactive ion etching (DRIE) based process and were actuated in-plane in ambient air conditions. We introduce a novel, less sensitive to the fabrication tolerances, operational scenario involving actuation by two parallel-plate electrodes and demonstrate that the bistable device can be used as a force sensor based on a pull-in voltage monitoring.

Original languageEnglish
Title of host publication2012 IEEE 25th International Conference on Micro Electro Mechanical Systems, MEMS 2012
Pages1137-1140
Number of pages4
DOIs
StatePublished - 2012
Event2012 IEEE 25th International Conference on Micro Electro Mechanical Systems, MEMS 2012 - Paris, France
Duration: 29 Jan 20122 Feb 2012

Publication series

NameProceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
ISSN (Print)1084-6999

Conference

Conference2012 IEEE 25th International Conference on Micro Electro Mechanical Systems, MEMS 2012
Country/TerritoryFrance
CityParis
Period29/01/122/02/12

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