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An integrated MEMS tactile tri-axial micro-force probe sensor for Minimally Invasive Surgery

  • Xi'an Jiaotong University

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

11 Scopus citations

Abstract

In this paper, we describes an integrated MEMS tactile tri-axial micro-force probe sensor based on piezoresistive for Minimally Invasive Surgery (MIS) as it's micro-structure, three-dimensional measurement and high resolution up to be micronewton (μN) scale. The sensor is 4×4×20.9mm 3. The sensing element of the sensor is fabricated on Silicon on Insulator (SOI) wafer by surface and bulk micromachining technology. It uses four cantilever beams supporting the suspended mass. Twelve relief pieoresisters formed by iron implant and Inductive Couple Plasmas (ICP) etching technology are placed on the beams to detect the applied force. The pyrex glass bonded on the bottom of the SOI wafer by anodic bonding technology is the overload protection element. The tactile element is the quartz fiber probe which is no-pollution, low cost, small size and easy to process. It is glued on suspended mass of the sensing element by epoxy resin. After fabrication, the sensor is packaged and tested by precision test bench and analytical balance. The experimental results illustrate that the sensor has excellent characteristics especially with resolution better than 3μN.

Original languageEnglish
Title of host publication2009 IEEE 3rd International Conference on Nano/Molecular Medicine and Engineering, NANOMED 2009
Pages71-76
Number of pages6
DOIs
StatePublished - 2009
Event2009 IEEE 3rd International Conference on Nano/Molecular Medicine and Engineering, NANOMED 2009 - Tainan, Taiwan, Province of China
Duration: 18 Oct 200921 Oct 2009

Publication series

Name2009 IEEE 3rd International Conference on Nano/Molecular Medicine and Engineering, NANOMED 2009

Conference

Conference2009 IEEE 3rd International Conference on Nano/Molecular Medicine and Engineering, NANOMED 2009
Country/TerritoryTaiwan, Province of China
CityTainan
Period18/10/0921/10/09

Keywords

  • MEMS
  • Micro-force
  • Minimally Invasive Surgery
  • Probe sensor
  • Tri-axial

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