3-D inks that can be erased selectively

phys.org | 8/14/2018 | Staff
eymira (Posted by) Level 3
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3-D printing allows for the efficient manufacture of complex geometries. A promising method is direct laser writing—a computer-controlled, focused laser beam acts as a pen and produces the desired structure in a photoresist. In this way, three-dimensional structures with details in the sub-micrometer range can be produced.

"The high resolution is very attractive for applications requiring very precise filigree structures, such as in biomedicine, microfluidics, microelectronics or for optical metamaterials," says Professor Christopher Barner-Kowollik, head of the Macromolecular Architectures Group of KIT's Institute for Chemical Technology and Polymer Chemistry (ITCP) and of the Soft Matter Materials Group of Queensland University of Technology (QUT) in Brisbane, Australia. Over a year ago, the working groups of Professor Martin Wegener at the Institute of Applied Physics (APH) and the Institute of Nanotechnology (INT) of KIT and of Professor Christopher Barner-Kowollik developed an erasable ink for 3-D printing. Thanks to reversible binding, the building blocks of the ink can be separated again.

Scientists - Karlsruhe - Brisbane - Development - Nature

Now, the scientists from Karlsruhe and Brisbane have largely refined their development. As reported in the journal Nature Communications, they have developed several inks, in different colors, so to speak, that...
(Excerpt) Read more at: phys.org
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