Foldable and stretchable, silicon circuits conform to many shapes

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Circuit diagram (top frame) and optical images of a stretchable wavy silicon ring oscillator circuit on a rubber substrate in the as fabricated flat state (top micrograph) and in moderate and high states of biaxial compression (middle and bottom micr ...
Circuit diagram (top frame) and optical images of a stretchable, "wavy" silicon ring oscillator circuit on a rubber substrate, in the "as fabricated" flat state (top micrograph) and in moderate and high states of biaxial compression (middle and bottom micrographs, respectively). Photo courtesy John Rogers

Scientists have developed a new form of stretchable silicon integrated circuit that can wrap around complex shapes such as spheres, body parts and aircraft wings, and can operate during stretching, compressing, folding and other types of extreme mechanical deformations, without a reduction in electrical performance.


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