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posted by martyb on Tuesday April 25 2017, @01:21PM   Printer-friendly
from the don't-throw-stones dept.

The variety of 3D-printing techniques available so far have been used on polymers or metals, but never on glass. Where glass was processed into structures, for instance by melting and application by means of a nozzle, the surface turned out to be very rough, the material was porous and contained voids. “We present a new method, an innovation in materials processing, in which the material of the piece manufactured is high-purity quartz glass with the respective chemical and physical properties,” explains Rapp. The glass structures made by the KIT scientists show resolutions in the range of a few micrometers – one micrometer corresponding to one thousandth of a millimeter. However, the structures may have dimensions in the range of a few centimeters, emphasizes Rapp.

3D-formed glass can be used, for instance, in data technology. “The next plus one generation of computers will use light, which requires complicated processor structures; 3D-technology could be used, for instance, to make small, complex structures out of a large number of very small optical components of different orientations,” explains the mechanical engineer. For biological and medical technologies, very small analytical systems could be made out of miniaturized glass tubes. In addition, 3D-shaped microstructures of glass could be employed in a variety of optical areas, from eyeglasses meeting special requirements to lenses in laptop cameras.

Frederik Kotz, et al. Three-dimensional printing of transparent fused silica glass. Nature, 2017; 544 (7650): 337 DOI: 10.1038/nature22061


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  • (Score: 0) by Anonymous Coward on Tuesday April 25 2017, @02:48PM (1 child)

    by Anonymous Coward on Tuesday April 25 2017, @02:48PM (#499314)

    Glass cannons are easy. Just fire up any MMORPG.

  • (Score: 1) by maxim on Tuesday April 25 2017, @06:27PM

    by maxim (2543) <maximlevitsky@gmail.com> on Tuesday April 25 2017, @06:27PM (#499468)
    You mean this cannon [bhphotovideo.com] (well yeah, its not made fully of glass, but has plenty of it)