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 | Nanotech 2002 Vol. 1
Technical Proceedings of the 2002 International Conference on Modeling and Simulation of Microsystems
Chapter 5: MEMS Applications and Characterization |
| | Modeling of a Self-Retracting Fully-Compliant Bistable Micromechanism | | Authors: | N. Masters and L.L. Howell | | Affilation: | Georgia Institute of Technology, USA | | Pages: | 302 - 305 | | Keywords: | bistable, MEMS, pseudo-rigid-body-model, fully-compliant mechanisms | | Abstract: | The purpose of this paper is to demonstrate how a combination of models facilitated the development of a new class of small displacement fully-compliant bistable micromechanisms (Self-Retracting Fully-compliant Bistable Micromechanism, or SRFBM). Two different Pseudo-Rigid-Body Models (PRBM) were used in the early stages to determine the basic form of the device. The use of these models allowed bistable configurations to be rapidly identified. Subsequent finite element modeling concentrated on tailoring the devices for specific behaviors. Furthermore, finite elements models were instrumental in predicting the thermal self-retracting behavior of the mechanism. Suitable designs have been fabricated and tested for functionality and endurance. Total travel of the devices is 8.5 mm. Bistability, including on-chip actuation and thermal self-retraction has been demonstrated, as well as fatigue testing in excess of 2 million cycles. On-chip force testing has correlated well with model predictions. |  | View paper | | ISBN: | 0-9708275-7-1 |
| Pages: | 764 |
| Hardcopy: | $100.00 |
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