A Novel Out-of-Plane Electrothermal Bistable Microactuator

Liang Zhou, Huikai Xie

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

2 Citations (Scopus)

Abstract

This paper reports an out-of-plane bistable electrothermal microactautor that is comprised of inverted-series-connected (ISC) Cu/W-based multimorphs. S-shaped ISC multimorphs have been previously employed for generating large vertical displacement. In this work, the ISC multimorphs have been engineered into a warped shape via pre-stressed W and unbalanced SiO2 encapsulation layers. Electrothermal bistable actuators based on the warped ISC multimorphs have been fabricated and tested. A bistable vertical displacement of 25 μm has been obtained.

Original languageEnglish
Title of host publication2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1953-1956
Number of pages4
ISBN (Electronic)9781728120072
DOIs
Publication statusPublished - Jun 2019
Externally publishedYes
Event20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII - Berlin, Germany
Duration: 23 Jun 201927 Jun 2019

Publication series

Name2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII

Conference

Conference20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII
Country/TerritoryGermany
CityBerlin
Period23/06/1927/06/19

Keywords

  • Bimorph
  • bistable
  • electrothermal actuation
  • multimorph
  • out-of-plane movement
  • stress engineering

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