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Electronic skin refers to flexible, stretchable and self-healing electronics that are able to mimic functionalities of human or animal skin. [1] [2] The broad class of materials often contain sensing abilities that are intended to reproduce the capabilities of human skin to respond to environmental factors such as changes in heat and pressure.
Stretchable electronics, also known as elastic electronics or elastic circuits, is a group of technologies for building electronic circuits by depositing or embedding electronic devices and circuits onto stretchable substrates such as silicones or polyurethanes, to make a completed circuit that can experience large strains without failure.
Image of flexible printed circuits prior to de-panelization. An Olympus Stylus camera without the case, showing the flex circuit assembly. Flexible electronics, also known as flex circuits, is a technology for assembling electronic circuits by mounting electronic components on flexible plastic substrates, such as polyimide, PEEK or transparent conductive polyester [1] film.
Promoted by the demand for wearable devices, graphene has been proved to be a promising material for potential applications in flexible and highly sensitive strain sensors. An environment-friendly and cost-effective method to fabricate large-area ultrathin graphene films is proposed for highly sensitive flexible strain sensor.
So far, the graphene plasmonic effects have been demonstrated for different applications ranging from light modulation [15] [16] to biological/chemical sensing. [17] [18] [19] High-speed photodetection at 10 Gbit/s based on graphene and 20-fold improvement on the detection efficiency through graphene/gold nanostructure were also reported. [20]
The development of Flexible Surface Acoustic Wave (SAW) devices has been a significant driver in the advancement of wearable technology and microfluidic systems. These devices are typically fabricated on polymer substrates, such as Polyethylene Naphthalate (PEN) and polyimide, and utilize sputtering deposition of materials like AlN and ZnO. [44]
Wei Gao is a Chinese-American biomedical engineer who currently serves as a professor of medical engineering at the California Institute of Technology (Caltech). [1] Gao has been a professor at Caltech since 2017 and is an associate editor of the journals Science Advances, Biosensors and Bioelectronics, npj Flexible Electronics (), Journal on Flexible Electronics (), and Sensors & Diagnosis ...
Wearable technology is any technology that is designed to be used while worn.Common types of wearable technology include smartwatches and smartglasses.Wearable electronic devices are often close to or on the surface of the skin, where they detect, analyze, and transmit information such as vital signs, and/or ambient data and which allow in some cases immediate biofeedback to the wearer.