Researchers Turn Transistors Into Thread for Wearable Computing
Public Group active 2 years, 11 months agoAll computers, with the recent exception of quantum computers, will depend on switches for logic. Those switches — transistors inside case modern day computers — can either be on or off and form logic gates. All logical operation a computer takes is based on the states of those transistors. Traditionally, somewhere between thousands and billions of transistors are put on a rigid silicon wafer establish a brand. But now a team of researchers from Tufts University have built transistors into flexible bond.
This transistor thread could, theoretically at least, use to create wearable computers. Most wearable technology today contains IC components, such as microcontrollers, which have embedded somewhere on gadget. The general focus recently been on making those as small as possible solution to to make wearable devices comfortable. But imagine t-shirt itself could donrrrt processor. Rather than trying to fit a rigid microcontroller somewhere on the shirt, the shirt may be packed associated with transistor logic gates that you to process operations by yourself.
To help make the thread, they started by winding two thin, gold wires around a linen suture. Those wires are the the source and drain electrodes within the transistor. They then applied a semiconducting in order to the thread, which coats the wires and is absorbed into the linen suture. After the solution’s solvent evaporated, it left behind an even layer of semiconductors around thread. To create the transistor’s gate electrode, they placed a dab of a material called ionogel between supply and drain wires. An additional gold wire was inserted into the ionogel construct the gate electrode. For now, the transistor wires have always be wound together by relinquish order to set their state and perform standard logical operations, but it surely could be possible boost on that in upcoming.
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