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(Nanowerk News) "Flat" and "rigid" are terms typically used to describe electronic devices. But the increasing demand for flexible, wearable electronics, sensors, antennas and biomedical devices has led a team at Harvard's Wyss Institute for Biologically Inspired Engineering and the John A. Paulson School of Engineering and Applied Sciences (SEAS) to innovate an eye-popping new way of printing complex metallic architectures -- as though they are seemingly suspended in midair.
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Lewis' team used an ink composed of silver nanoparticles, sending it through a printing nozzle and then annealing it using a precisely programmed laser that applies just the right amount of energy to drive the ink's solidification. The printing nozzle moves along x, y, and z axes and is combined with a rotary print stage to enable freeform curvature. In this way, tiny hemispherical shapes, spiral motifs, even a butterfly made of silver wires less than the width of a hair can be printed in free space within seconds. The printed wires exhibit excellent electrical conductivity, almost matching that of bulk silver.
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When compared to conventional 3D printing techniques used to fabricate conductive metallic features, laser-assisted direct ink writing is not only superior in its ability to produce curvilinear, complex wire patterns in one step, but also in the sense that localized laser heating enables electrically conductive silver wires to be printed directly on low-cost plastic substrates.
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originally posted by: Royweeezy
I used to make chainmail. It took months and months to make a simple vest. I wonder if someday they'll be able to just print out a big sheet of chainmail using this tech. Because the world needs better, cheaper access to chainmail.
originally posted by: BO XIAN
originally posted by: Royweeezy
I used to make chainmail. It took months and months to make a simple vest. I wonder if someday they'll be able to just print out a big sheet of chainmail using this tech. Because the world needs better, cheaper access to chainmail.
Hmmmmm I wonder if a left shoulder of chainmail would protect my pacemaker from EMP???
originally posted by: BO XIAN
What sorts of jewelry do you tend to like, make? What colors of stones?
originally posted by: Royweeezy
I used to make chainmail. It took months and months to make a simple vest. I wonder if someday they'll be able to just print out a big sheet of chainmail using this tech. Because the world needs better, cheaper access to chainmail.