Duke University researchers have created the first spray-on memory, which could lead to programmable electronics printed on paper or fabric.
The spray-on digital memory relies on an aerosol jet printer able to print nanoparticle inks at low temperatures. The nanowires and polymer are dissolved in methanol and then ejected through the printer nozzle, resulting in a small, printable memory device with a “writespeed” of three microseconds and able to retain the information for up to ten years without degradation.
Since the technology does not require high temperatures, the electronics can be printed on flexible materials, such as plastic, paper or fabric.
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