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Jul 20, 2018
1:23PM

Future electronic components to be printed like newspapers

A new manufacturing technique uses a process similar to newspaper printing to form smoother and more flexible metals for making ultrafast electronic devices.

The low-cost process, developed by researchers at Purdue University in the US, combines tools already used in industry for manufacturing metals on a large scale.

According to the research published in the journal Nano Letters, the fabrication method, called roll-to-roll laser-induced super plasticity, uses a rolling stamp like the ones used to print newspapers at high speed.

The fabrication method uses the speed and precision of roll-to-roll newspaper printing to remove a couple of fabrication barriers in making electronics faster than they are today.

One of the researchers said that adding the latest advances in nanotechnology requires them to pattern metals in sizes that are even smaller than the grains they are made of.

This so-called "formability limit" hampers the ability to manufacture materials with nanoscale resolution at high speed.

 The new technique can induce, for a brief period of time, "superelastic" behaviour to different metals by applying high-energy laser shots, which enables the metal to flow into the nanoscale features of the rolling stamp - circumventing the formability limit.
 

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