Advanced testing methods for the dynamics of microdevices are necessary to develop reliable marketable microelectromechanical systems (MEMS). The main purpose for MEMS testing is to provide feedback to the design-and-simulation process in an engineering development effort. This feedback should include device behavior, system parameters, and material properties. An essential part of more effective microdevice development is high-speed visualization of the dynamics of MEMS structures. We have developed and employed a full three-dimensional-motion-characterization system for MEMS to observe the response of a gimballed microactuator, a multi-degree-of-freedom microdevice.
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