Modeling and Analysis of a Navigational, Lorentz-Force, Z-axis MEMS Magnetometer in a Standard Process

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

This paper introduces a Z-axis Lorentz-force. capacitive, microelectromechanical (MEMS) magnetometer design using the MEMSCAP SOI process. The magnetometer model is analyzed using Matlab and a MEMS+ interfacing code to detect the displacement motion and the capacitance difference in the device under different damping conditions. The magnetometer is shown to have a mode frequency of 668 MHz but low mechanical and electrical sensitivities as the small mechanical displacements and capacitance change indicate. The device has high resolution and is able to measure nano-scaled motion but at high quality factor values. Several parameters sweep such as beam's width and length have been performed and optimal values have been determined to maximize the mechanical sensitivity of the device.

Original languageBritish English
Title of host publication2019 Symposium on Design, Test, Integration and Packaging of MEMS and MOEMS, DTIP 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728132860
DOIs
StatePublished - May 2019
Event2019 Symposium on Design, Test, Integration and Packaging of MEMS and MOEMS, DTIP 2019 - Paris, France
Duration: 12 May 201915 May 2019

Publication series

Name2019 Symposium on Design, Test, Integration and Packaging of MEMS and MOEMS, DTIP 2019

Conference

Conference2019 Symposium on Design, Test, Integration and Packaging of MEMS and MOEMS, DTIP 2019
Country/TerritoryFrance
CityParis
Period12/05/1915/05/19

Keywords

  • Lorentz force
  • Magnetometer
  • MEMS

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