3D Printer On The Nano-Scale

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Estimated reading time: 4 minute(s)


Imagine if it was as easy to make things on the nanoscale as in normal scale. That might soon be reality, these nanostructures here were made using a sort of nano 3D printer. It’s supposed to be incredibly much faster than previous methods for constructing nano objects like these.


The 3D printer uses a liquid resin, which is hardened at precisely the correct spots by a focused laser beam. The focal point of the laser beam is guided through the resin by movable mirrors and leaves behind a polymerized line of solid polymer, just a few hundred nanometers wide. This high resolution enables the creation of intricately structured sculptures as tiny as a grain of sand. “Until now, this technique used to be quite slow”, says Professor Jürgen Stampfl from the Institute of Materials Science and Technology at the TU Vienna. “The printing speed used to be measured in millimeters per second – our device can do five meters in one second.” In two-photon lithography, this is a world record.

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Johny (John-Erik) Krahbichler is the CEO and main author of Gadgetzz, since 2009. While Mr. Krahbichler's expertise is in consumer electronics, his true passion is science´, and educating the world about the universe we inhabit. Check out the non-profit Scientific Literacy Matters Currently Johny is using his experience from covering trade shows such as the CES, to work with trade show exhibition marketing.

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