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An Improved SOI Resonant Pressure Sensor using Atmospheric Packaging

  • Sen Ren
  • , Jianbing Xie
  • , Qiang Shen
  • , Fei Wang
  • , Weizheng Yuan
  • , Jinkuan Zhang
  • Northwestern Polytechnical University Xian
  • Flight Automatic Control Research Institute

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

1 Scopus citations

Abstract

An improved atmospheric packaged SOI resonant pressure sensor is presented. A special anchor structure using suspended connecting truss is developed to suppress the vertical position shift of the resonator when the diaphragm deflects, and a stress isolating structure is introduced to improve the performance of the resonant pressure sensor. Experimental results show that the vertical position shift of the resonator is reduced to only 7.3% compared with conventional anchor design. Over the full scale pressure range of 3.5-280 kPa, the pressure sensitivity is 10.86 Hz/kPa, with the nonlinearity is 0.0138%FS, the hysteresis error is 0.0047%FS, the repeatability error is 0.0071%FS, and the accuracy is better than 0.02%FS.

Original languageEnglish
Title of host publication2018 IEEE 8th International Nanoelectronics Conferences, INEC 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages37-38
Number of pages2
ISBN (Print)9781538642504
DOIs
StatePublished - 20 Aug 2018
Event8th IEEE International Nanoelectronics Conferences, INEC 2018 - Kuala Lumpur, Malaysia
Duration: 3 Jan 20185 Jan 2018

Publication series

Name2018 IEEE 8th International Nanoelectronics Conferences, INEC 2018

Conference

Conference8th IEEE International Nanoelectronics Conferences, INEC 2018
Country/TerritoryMalaysia
CityKuala Lumpur
Period3/01/185/01/18

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