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A Vibration Resistant Nanopositioner for Mobile Parallel-Probe Storage Applications

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5 Author(s)
Lantz, M.A. ; IBM Zurich Res. Lab., Ruschlikon ; Rothuizen, H.E. ; Drechsler, U. ; Haberle, W.
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We describe a planar microelectromechanical systems (MEMS)-based x/y nanopositioner designed for parallel-probe storage applications. The nanopositioner is actuated electromagnetically and has x/y motion capabilities of plusmn60 mum. The mechanical components are fabricated from a single-crystal silicon wafer using a deep-trench-etching process. To render the system robust against vibration, we utilize a mass-balancing concept that makes the system stiff against linear shock, but still compliant for actuation, and therefore results in low power consumption. We present details of the finite-element model used to design the device as well as experimental results for the frequency response, actuation, and vibration-rejection properties of the nanopositioner

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Microelectromechanical Systems, Journal of  (Volume:16 ,  Issue: 1 )