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Related Experiment Video

Updated: Apr 21, 2026

Fabrication of Large-area Free-standing Ultrathin Polymer Films

Fabrication of Large-area Free-standing Ultrathin Polymer Films

Published on: June 3, 2015

An imperceptible plastic electronic wrap.

Michael Drack¹, Ingrid Graz, Tsuyoshi Sekitani

¹Department of Soft Matter Physics, Johannes Kepler University, Altenbergerstrasse 69, 4040, Linz, Austria.

Advanced Materials (Deerfield Beach, Fla.)

|October 22, 2014

Summary

This summary is machine-generated.

Highly flexible, ultra-thin sensor films allow precise temperature mapping on diverse 3D surfaces. This electronic foil technology enables robust, stretchable electronics for advanced applications.

Keywords:

electronic skin flexible electronics imperceptible electronics stretchable electronics

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Area of Science:

Materials Science
Electronics Engineering
Biomedical Engineering

Background:

Traditional sensors struggle with conforming to complex 3D geometries.
The need for flexible and stretchable electronics is growing across various industries.

Purpose of the Study:

To develop ultra-thin, highly compliant sensor films for 3D temperature mapping.
To demonstrate the potential of these films in creating novel stretchable electronic devices.

Main Methods:

Fabrication of sub-2-μm metal sensor films with extreme compliance.
Testing the mechanical properties of the films, including strain tolerance up to 275% in a stretchable form.
Integration of the sensor films into hybrid rigid-island stretchable-interconnect electronic devices.

Main Results:

The sensor films successfully enabled temperature mapping on complex 3D objects like integrated circuits, food packages, and human skin.
The stretchable metal films demonstrated exceptional strain tolerance, maintaining functionality up to 275% strain.
The technology platform facilitated the creation of functional RGB light-emitting diode (LED) strips that could be stretched and twisted.

Conclusions:

Extremely compliant sub-2-μm sensor films represent a significant advancement for 3D temperature mapping.
This imperceptible electronic foil technology opens new possibilities for designing advanced, resilient, and conformable electronic devices.
The developed technology has broad applicability in areas requiring flexible and stretchable electronics.