A Full 3D Printing Method for Monolithic Integration of an Accelerometer and a Force Sensor

Guandong Liu, Changhai Wang, Kexin Wang, Zhili Jia, Ruiqi Luo, Wei Ma

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This paper presents monolithic integration of an accelerometer and a force sensor based on a rapid 3D printing fabrication approach. With a triple-extruder 3D printer, for the first time, an insulating material, a conductive material, and a sacrificial material were printed alternately to fabricate a multifunctional MEMS device in a one-step printing process within an hour and without any additional metallization and assembly processes. Moreover, with the advantage of 3D printing in building geometrically complex structures, the accelerometer and the force sensor were easily integrated in vertical stacking using vertical feedthroughs in a TSV (Through-Silicon Via)-like design so that the multifunctional device could be directly mounted on a PCB substrate as a chip scale package. The performances of the multifunctional device indicate that the 3D printed sensors can be used in real-time motion and force monitoring for personalized customization and the monolithic integration method has potential applications in producing various integrated MEMS sensors.
Original languageEnglish
Title of host publication36th IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
PublisherIEEE
Pages598-601
Number of pages4
ISBN (Electronic)9781665493086
DOIs
Publication statusPublished - 1 Mar 2023
Event36th IEEE International Conference on Micro Electro Mechanical Systems 2023 - Munich, Germany
Duration: 15 Jan 202319 Jan 2023

Conference

Conference36th IEEE International Conference on Micro Electro Mechanical Systems 2023
Abbreviated titleMEMS 2023
Country/TerritoryGermany
CityMunich
Period15/01/2319/01/23

Keywords

  • Integrated 3D printing
  • MEMS
  • accelerometer
  • force sensor
  • monolithic integration

ASJC Scopus subject areas

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

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