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Fabrication of 3D Carbon Microelectromechanical Systems C-MEMS
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Particle Tracking of Microelectromechanical System Performance and Reliability.

Craig R Copeland1, Craig D McGray1, Jon Geist1

  • 1National Institute of Standards and Technology, Gaithersburg, MD 20899 USA.

Journal of Microelectromechanical Systems : a Joint IEEE and ASME Publication on Microstructures, Microactuators, Microsensors, and Microsystems
|May 17, 2019
PubMed
Summary

We developed a particle tracking method to measure Microelectromechanical systems (MEMS) motion at the nanoscale. This technique reveals dynamic behaviors, aiding in understanding and enhancing MEMS performance and reliability.

Keywords:
Fluorescencemotionparticlereliabilitystiction

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Area of Science:

  • * Engineering and Applied Physics
  • * Nanotechnology and Advanced Materials

Background:

  • * Microelectromechanical systems (MEMS) with moving parts face performance and reliability challenges due to physical contact.
  • * Understanding dynamic motion at fine scales is crucial for MEMS development.

Purpose of the Study:

  • * To advance a particle tracking method for precise *in operando* measurement of MEMS motion.
  • * To analyze the dynamic behaviors of a torsional ratcheting actuator at nanometer, microradian, and millisecond scales.

Main Methods:

  • * Utilized an advanced particle tracking technique for high-resolution motion analysis.
  • * Applied the method to a torsional ratcheting actuator to capture dynamic responses.

Main Results:

  • * Observed a spectrum of dynamic behaviors including high repeatability, transient feedback, stiction, and eventual failure.
  • * Demonstrated the capability to measure motion at nanometer spatial and millisecond temporal resolutions.

Conclusions:

  • * The enhanced particle tracking method provides unprecedented insight into MEMS dynamic behavior.
  • * This capability is essential for diagnosing issues and improving the design and reliability of MEMS devices.