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Wearable Sensors by Edward Sazonov

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Chapter 3.3

Flexible Electronics from Foils to Textiles

Materials, Devices, and Assembly

Giovanni Salvatore and Gerhard Tröster,    ETH Zürich, Zürich, Switzerland

Plastic electronics are soft, deformable, and lightweight, and are suitable for the realization of foldable displays, lightweight solar cells, and wearable/implantable devices. The development of flexible electronic circuits is essential in all such applications. This chapter provides a general overview of materials and technologies for flexible thin-film transistors. The focus is on devices and circuits that are fabricated directly on polyimide foils and based on amorphous indium gallium zinc oxide (a-IGZO) and high-k dielectrics. The last part of the chapter shows an original approach ...

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