PTI

Apoorva Kiran with the printed loundspeaker.  Courtesy: Cornell University

Apoorva Kiran with the printed loundspeaker.
Courtesy: Cornell University

Two students studying in Cornell University printed a loudspeaker using a 3D printer. Apoorva Kiran and Robert MacCurdy, both graduate students in Mechanical Engineering, worked with Hod Lipson, Associate Professor of Mechanical and Aerospace Engineering to customise a device that could print a variety of materials.

Made of plastic, magnet and conductive coils, the researchers had to figure out a way to have the loudspeaker ready to work the moment it was out of the printer. “Everything is 3­D printed,” said Kiran, who is originally from Bihar, as he launched a demo recently by connecting the newly­ printed mini speaker to amplifier wires.

Lipson calls the demonstration the “tip of the ice­berg” hoping that 3D would some day print electronics at home. Lipson said adding that most printers cannot efficiently handle multiple materials because it requires different temperatures and curing times.

Creating a market for printed electronic devices, Lipson said, could be like introducing colour printers after only black and white had existed.

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