New technology for high-speed 3D printing of tiny objects
Scientists at the Vienna University of Technology (TU Vienna) they have print 3D objects, small as a grain of sand, with incredibly fine details and in very small period of time.
The researchers made a major breakthrough in speeding up the printing procedure, with a new technique called “two-photon lithography”.
With this technology, tiny structures on a nanometer scale can be fabricated and this makes the commercial production of things such as medical implants much more viable.
In the video, a race car with dimensions of 330x130x100µm3 is fabricated. The structure consists of 100 layers, each made of an average of 200 polymer lines. It is finished in 4 minutes and resembles the CAD file at a precision of ±1µm.
source TU Vienna
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