3D-printed semiconductor-free logic gates could soon power cheap electronics devices
A team of scientists from MIT made a remarkable discovery while trying to make magnetic coils using extrusion printing.
Semiconductors are essential for today's electronics, providing computational capabilities and the ability to control electric signals. They are also highly complex and costly, so researchers have proposed a cheap, "semiconductor-free" way to achieve electronic democratization.
This is an important research and discovery, especially in this age of devices. Cost cutting will go a long way.
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The researchers claim their method is suitable for printing resettable fuses, an essential element for active electronics. The team manufactured the devices with standard, affordable 3D printing machines and inexpensive, biodegradable polymer material doped with copper nanoparticles. They discovered that if a large amount of electric current passes through the material, the printed logic gates exhibit a spike in electrical resistance before returning to their original state after the current flow is interrupted.
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A team of scientists from MIT made a remarkable discovery while trying to make magnetic coils using extrusion printing. The process melts a filament and ejects the resulting material from a nozzle, printing a 3D shape layer-by-layer. Extrusion is a known 3D-printing method engineers can use to generate logic gates that can control electricity without any semiconductor components.