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Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators

DOI :

10.3791/51251-v

August 15th, 2014

August 15th, 2014

10,128 Views

1Department of Electrical and Computer Engineering, University of California, Davis, 2Digital Light Projection (DLP) Technology Development, Texas Instruments, 3Birck Nanotechnology Center and the Department of Electrical and Computer Engineering, Purdue University

The robust device design of fringing-field electrostatic MEMS actuators results in inherently low squeeze-film damping conditions and long settling times when performing switching operations using conventional step biasing. Real-time switching time improvement with DC-dynamic waveforms reduces the settling time of fringing-field MEMS actuators when transitioning between up-to-down and down-to-up states.

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Real time DC dynamic Biasing

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