Communications of the ACM
Your Next Printer Could Be Based on Sound
Ultrasound and computer algorithms control how a cloud of materials settles into shape.
Credit: University of Bath
Scientists at the Universities of Bath and Bristol have successfully used sound to control ink droplets and print precise patterns, a development they believe could affect printing in the fields of medicine and electronics.
The technique is described in "Sonolithography: In‐Air Ultrasonic Particulate and Droplet Manipulation for Multiscale Surface Patterning," published in Advanced Materials Technologies.
"The objects we are manipulating are the size of water drops in clouds. It's incredibly exciting to be able to move such small things with such fine control," says Professor Bruce Drinkwater at the University of Bristol.
"Sonolithography is capable of rapidly patterning micrometer to millimeter scale materials onto a wide variety of substrates over a macroscale (cm2) surface area and can be used for both indirect and direct cell patterning," the paper says.
From TechRadar
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