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DTSTAMP:20251118T190125Z
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DTSTART;TZID=America/Los_Angeles:20251117T160000
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DESCRIPTION:ABSTRACT\nThe basic structure and function of a printed circuit
  board (PCB) has changed little in the last 50 years\; individual integrat
 ed circuits and passive components are connected through copper traces\, p
 atterned from thin copper sheets laminated to a rigid fiberglass substrate
 . Advances such as flexible circuit boards\, built on polyimide sheets\, a
 dd some amount of flexibility\, but these do not provide stretch or alter 
 traditional 2D circuit topology. In contrast\, there is an emerging set of
  applications that require stretchable\, compliant electronics – includi
 ng wearable devices\, instrumented fabrics\, and soft robots with distribu
 ted sensors and computation. Developing stretchable electronics faces two 
 primary challenges: integration of active semiconductor devices in elastic
  substrates and providing stretchable\, conductive interconnects. In this 
 work\, we combine 3D-printing of liquid metal materials with silicone rubb
 er and PCB fabrication techniques to build solid 3D objects with active an
 d passive electronic components distributed throughout. In this presentati
 on\, we will summarize our efforts in process development\, material chara
 cterization\, electrical modeling\, and stretchable circuit fabrication de
 monstrating the potential of using liquid metal materials for realizing fl
 exible and stretchable electronic systems. Long-term\, we aim to enable we
 arable sensors and actuators\, conformable electronic skins and textiles\,
  and camera-free motion capture capabilities for soft robots and wearable 
 human-machine interfaces.\n\nSpeaker(s): Dr. Matthew Johnston\, \n\nRoom: 
 The Nest\, 5951 Village Center Loop Rd\, San Diego\, California\, United S
 tates\, 92130\, Virtual: https://events.vtools.ieee.org/m/512157
LOCATION:Room: The Nest\, 5951 Village Center Loop Rd\, San Diego\, Califor
 nia\, United States\, 92130\, Virtual: https://events.vtools.ieee.org/m/51
 2157
ORGANIZER:jfshi@ieee.org
SEQUENCE:12
SUMMARY:Bit of a Stretch: Flexible\, Stretchable\, and Printable Circuits a
 nd Systems
URL;VALUE=URI:https://events.vtools.ieee.org/m/512157
X-ALT-DESC:Description: <br /><p>ABSTRACT</p>\n<div>The basic structure and
  function of a printed circuit board (PCB) has changed little in the last 
 50 years\; individual integrated circuits and passive components are conne
 cted through copper traces\, patterned from thin copper sheets laminated t
 o a rigid fiberglass substrate. Advances such as flexible circuit boards\,
  built on polyimide sheets\, add some amount of flexibility\, but these do
  not provide stretch or alter traditional 2D circuit topology. In contrast
 \, there is an emerging set of applications that require stretchable\, com
 pliant electronics &ndash\; including wearable devices\, instrumented fabr
 ics\, and soft robots with distributed sensors and computation. Developing
  stretchable electronics faces two primary challenges: integration of acti
 ve semiconductor devices in elastic substrates and providing stretchable\,
  conductive interconnects. In this work\, we combine 3D-printing of liquid
  metal materials with silicone rubber and PCB fabrication techniques to bu
 ild solid 3D objects with active and passive electronic components distrib
 uted throughout. In this presentation\, we will summarize our efforts in p
 rocess development\, material characterization\, electrical modeling\, and
  stretchable circuit fabrication demonstrating the potential of using liqu
 id metal materials for realizing flexible and stretchable electronic syste
 ms. Long-term\, we aim to enable wearable sensors and actuators\, conforma
 ble electronic skins and textiles\, and camera-free motion capture capabil
 ities for soft robots and wearable human-machine interfaces.</div>
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