Jan 4, 2019 | By Cameron
On December 20, 2018, IBM filed a patent for “3D printing on the surface of an acoustic hologram.” The method makes use of an array of sound-wave emitters to generate a 3D hologram that consists of acoustic radiation forces (ARF) exerted by acoustic standing waves. An invisible but tactile force exists where the sound waves interact, and precisely controlling the wave emitters allows for defining the shape of the wave interaction and thus the shape of the hologram. By generating the hologram in a chamber filled with a gaseous medium, the hologram can be sprayed with droplets of a reactive material that solidifies upon exposure to the gaseous medium. The spray bonds to the semi-tangible surface of the acoustic hologram and solidifies as a hollow shell.
Excerpts from the abstract and claims:
“High-amplitude sound waves are capable of exerting a palpable force at a point in space that may feel at least partially solid to the touch. By emitting and focusing such sound waves in a particular configuration, it is possible to create a tactile illusion of a tangible but invisible three-dimensional “object” at a specific location in space.”
“...the sprayed printing medium is a fluid comprised of droplets that condense into a solid surface upon contact with the surface of the acoustic hologram.”
The patent number is US20180361680A1.
Posted in 3D Printing Application
Maybe you also like:
- Spanish researchers 3D bioprint functional muscle tissues for soft robotics
- MIT upgraded their glass 3D printer: G3DP2
- NASA engineer 3D prints impressive glitter bomb for package thieves
- Saudi Arabia 3D prints a house in two days
- 3D printing food: lab creates 3D food printer that cooks its prints with a laser
- 6-axis metal 3D printer developed by Portuguese and Norwegian collaboration
- The 3D printed Christmas ornament that 3D prints Christmas ornaments
- Bulgarian patient receives first 3D printed rib implant
- Watch Bugatti test world's first 3D printed titanium brake caliper
- Micropores in 3D printed tissue allow the flow of oxygen and nutrients
3Ders.org provides the latest news about 3D printing technology and 3D printers. We are now seven years old and have around 1.5 million unique visitors per month.
