Transparent, Bendable, Stretchy and Electric Reality

Credit: Soft Materials Laboratory, Carnegie Mellon University

Researchers out of Carnegie Mellon have developed a new type of conductive thin film that allows for high electric conductivity, transparency, flexibility, and they’re even stretchable.

Invisible, stretchable circuits to shape next-gen tech

Carnegie Mellon University’s Associate Professor of Mechanical Engineering Carmel Majidi and his research team have developed conductive thin-films that have the unique combination of properties needed for these next-generation technologies: high electrical conductivity, visual imperceptibility, low mechanical stiffness, and high elasticity.

Using a laser-based microfabrication technique, the team achieved these properties by coating the surface of a thin rubber film with a fine grid of metal (a eutectic alloy of gallium and indium, EGaIn) that is liquid at room temperature.


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