Tuning the first instability window of a MEMS Meissner parametric resonator using a linear electrostatic anti-spring

Shai Shmulevich, Inbar Hotzen, David Elata

Research output: Contribution to journalConference articlepeer-review

Abstract

We demonstrate frequency tuning of the first instability window of a MEMS Meissner parametric resonator. Our parametric resonator includes a transducer which provides a negative electrostatic stiffness that is not affected by motion. We therefore refer to this transducer as a linear anti-spring. We achieve parametric excitation by time-modulation of this negative electrostatic stiffness. Our design is rather robust to fabrication tolerances. In contrast, most state-of-the-art MEMS parametric resonators are either detrimentally affected by a nonlinear electrostatic stiffness, or are far more sensitive to fabrication tolerances.

Original languageEnglish
Article number7050914
Pages (from-to)172-175
Number of pages4
JournalProceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
Volume2015-February
Issue numberFebruary
DOIs
StatePublished - 26 Feb 2015
Event2015 28th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2015 - Estoril, Portugal
Duration: 18 Jan 201522 Jan 2015

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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