Abstract
This paper describes the principles, design, fabrication and performance of a new type of electromagnetic bistable MEMS relay. The microdevice is operated by a wiggling microactuator, which is symmetrically assembled with two integrated planar windings and one permanent rotor in the form of sandwich with coaxial sustained gaps between each other. The micromachined rotor moves to-and-fro around the axis and operates the joined brush to open or close external circuit. This hybrid MEMS relay has been provided with fast response and latching function owing to the special design. The response time is about 0.3ms and the maximum load current is 2A.
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