Electronic Component Mounting with Liquid Metal for Highly Stretchable Electronic Devices

Takashi Sato*, Eiji Iwase

*Corresponding author for this work

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

Abstract

We demonstrated a method to mount rigid electronic components on stretchable wirings using liquid metal (LM) for highly stretchable and high-performance electronic devices. Stretchable electronic devices suffer from breakage around the components due to the stress concentration caused by the difference in stiffness and strain. This study proposes to mount electronic components on wiring with a stretchable kirigami structure up to the wiring edges using highly stretchable material (LM). The proposed method suppressed the differences in strain and stiffness within the wiring, and improved its stretch tolerance. The mounting using LM achieved 312.6% stretch of wiring, which was 7.4 times higher than that achieved using conventional solder.

Original languageEnglish
Title of host publicationIEEE 37th International Conference on Micro Electro Mechanical Systems, MEMS 2024
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages356-359
Number of pages4
ISBN (Electronic)9798350357929
DOIs
Publication statusPublished - 2024
Event37th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2024 - Austin, United States
Duration: 2024 Jan 212024 Jan 25

Publication series

NameProceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
ISSN (Print)1084-6999

Conference

Conference37th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2024
Country/TerritoryUnited States
CityAustin
Period24/1/2124/1/25

Keywords

  • electronic component mounting
  • galinstan
  • kirigami structure
  • Stretchable electronics
  • surface mount device

ASJC Scopus subject areas

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

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