Snap-Action Bistable Micromechanism Actuated By Nonlinear Resonance
Tech ID: 20768 / UC Case 2006-480-0
On a micro-scale, conventional switching devices using bistable structural elements are well-suited for relays and switches, addressable MEMS-based pixel arrays, tunable optical MEMS filters or microfluidic valves. However, the currently employed approaches all need high voltages applied to reach the threshold value force. A novel approach has been developed by researchers at UCI that address this need for high voltage.
In this invention, researchers have developed a bi-stable micromechanism utilizing structural resonance phenomena to switch dynamically between the states resulting in improved performance times and lower voltage actuation.
Mirco/MEMS switch fabrication. Cell phones, microfluidic valves, tunable optical MEMs filters
- More favorable response time
- Lower voltage requirements
- State retention in during power failure
- Easily co-fabricated with IC
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