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March 2006 edition

Conventional electronics turns a corner

The University of Illinois at Urbana-Champaign has developed functional, stretchable and bendable electronics that could be wrapped around aircraft wings.

The fully stretchable form of single-crystal silicon with micron-sized, wavelike geometries can be used to build high performance electronic devices on rubber substrates.

In an article in the Engineer Online, John Rogers, professor of materials science and engineering, said: "These stretchable silicon diodes and transistors represent only two of the many classes of wavy electronic devices that can be formed.

Complete circuit sheets can also be structured into wavy geometries to enable stretchability."

To create their stretchable silicon, the researchers fabricated ultra thin ribbons on a silicon wafer using procedures used in conventiona....

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Institute of Aviation University of Illinois Research/Consulting Services

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