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Related Experiment Video

Updated: Jan 28, 2026

Flexible Organic Electronic Devices for Pulsed Electric Field Therapy of Glioblastoma

Flexible Organic Electronic Devices for Pulsed Electric Field Therapy of Glioblastoma

Published on: August 9, 2022

Liquid metal-based electrical interconnects and interfaces with excellent stability and reliability for flexible

Menglu Li¹, Yongzhi Wu, Liang Zhang

¹Key Laboratory of Micro-nano Electronic Devices and Smart Systems of Zhejiang Province, College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou 310027, China. xw224@zju.edu.cn.

|March 12, 2019

Summary

Liquid metal interconnects offer superior stability and reliability for flexible electronics compared to traditional silver paste. They maintain electrical conductivity under extreme mechanical stress, enabling advanced device applications.

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Published on: June 23, 2017

Area of Science:

Materials Science
Electrical Engineering
Mechanical Engineering

Background:

Flexible electronics require stable interconnects between rigid and soft components.
Traditional materials like metal films and hard solders fail under mechanical deformation.
Liquid metal presents a promising alternative due to its inherent flexibility and stretchability.

Purpose of the Study:

To investigate the reliability and stability of liquid metal interconnects.
To compare liquid metal performance against silver paste interconnects under various mechanical stresses.
To assess the suitability of liquid metal for demanding flexible electronic applications.

Main Methods:

Testing liquid metal and silver paste interconnects under extension, bending, and torsion.
Evaluating performance during high-frequency vibration and high-temperature operation.
Quantifying electrical conductivity changes under different deformation conditions.

Main Results:

Liquid metal interconnects maintained high conductivity up to 95% elongation and a 1.5 mm bending radius.
Silver paste interconnects lost conductivity at much lower elongations (0.6% and 60%).
Liquid metal's ability to reshape ensures consistent contact, unlike rigid silver paste.

Conclusions:

Liquid metal interconnects demonstrate significantly superior mechanical reliability and electrical stability over silver paste.
The unique properties of liquid metal make it ideal for robust interconnects in flexible and stretchable electronics.
This research paves the way for more durable and high-performing flexible electronic systems.