Researchers Turn Transistors Into Thread for Wearable Computing
Public Group active 2 years, 11 months agoAll computers, with the recent exception of quantum computers, rely on switches for logic. Those switches — transistors in the case of modern computers — can be either on or off and form logic gates. Almost every logical operation a computer takes is based on the states men transistors. Traditionally, somewhere between thousands and billions of transistors are placed on a rigid silicon wafer establish a pick. But now a team of researchers from Tufts University have built transistors into flexible twine.
This transistor thread could, theoretically at least, be used to create wearable pc’s. Most wearable technology today relies on IC components, such as microcontrollers, usually are embedded somewhere on unit fitted. The general focus recently been on making those no more than possible in order to make wearable devices comfortable. But imagine if your t-shirt itself could donrrrt processor. As opposed to trying match a rigid microcontroller somewhere on the shirt, the shirt may be packed full of transistor logic gates to get able to to process operations is.
To generate the thread, they started by winding two thin, gold wires around a linen suture. Those wires act as 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 on the thread. To form the transistor’s gate electrode, they placed a dab of a cloth 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 to be wound together by return order to set their state and perform standard logical operations, but it surely could be possible increase on that in the future.
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