Design and research of ultra-miniature pressure sensors

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Abstract

This paper reports the design and fabrication of dynamic ultra-miniature pressure sensor. Based on bulk silicon MEMS micromachining technology, the Si-Si direct vacuum bonding and thinning technology with precision control were used to fabricate the subminiature silicon piezoresistive chip for absolute pressure measurement. The sensors with outer diameter Φ2.0mm were packaged with miniature probe mode, which have the natural frequency of 300∼1000 kHz. The ultra-small dynamic pressure sensors may be used to aerodynamics research successfully.

Original languageEnglish
Title of host publication2016 10th International Conference on Sensing Technology, ICST 2016
PublisherIEEE Computer Society
ISBN (Electronic)9781509007967
DOIs
StatePublished - 22 Dec 2016
Event10th International Conference on Sensing Technology, ICST 2016 - Nanjing, China
Duration: 11 Nov 201613 Nov 2016

Publication series

NameProceedings of the International Conference on Sensing Technology, ICST
ISSN (Print)2156-8065
ISSN (Electronic)2156-8073

Conference

Conference10th International Conference on Sensing Technology, ICST 2016
Country/TerritoryChina
CityNanjing
Period11/11/1613/11/16

Keywords

  • MEMS
  • Quasi-flat package
  • Si/Si direct bonding
  • Ultra-miniature

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