14:59 GMT +306 December 2019
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    Scientists from the National University of Science and Technology MISIS (NUST MISIS, Moscow) have improved the technology for the production of smartphone screens.

    Russian Scientists Improve Smartphone Screen Technology

    © Photo : National University of Science and Technology MISiS
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    Scientists from the National University of Science and Technology MISIS (NUST MISIS, Moscow) have improved the technology for the production of smartphone screens, the university press service has reported.

    Modern smartphone screens are made of artificial sapphires (monocrystalline corundum) based on high purity aluminum oxide. There is no large-capacity production of this material in Russia, which is why domestic companies have to import it at high prices.

    "Scientists at NUST MISIS have devised a profitable and safe technology for the production of high purity aluminum oxide. We have patented this highly effective import-replacing technology, which will allow supplying Russian producers with the necessary amount of monocrystalline corundum for the production of light emitting diodes and protective screens for modern gadgets," the statement says.

    "We have analyzed the most promising methods for producing high purity aluminum oxide based on the hydrolysis of aluminum alkoxides, hydrothermal oxidation and anodic dissolution. The last-mentioned appears to be the best for commercial use and also has few requirements regarding the feedstock," said Andrei Lysenko, project director and assistant professor at the university's chair of non-ferrous metals and gold.

    According to the press release, which quoted Lysenko, the scientists have also determined the best conditions for the entire technological process.

    NUST MISIS scientists have created experimental equipment and produced an experimental batch of high purity aluminum oxide with the content of the main component estimated at 99.995 percent.

    It is a low-impact and low-energy technology that is also safer than other similar technologies because it does not directly threaten humans and the environment, the statement says. Since the technology is simple and the equipment is relatively cheap, large amounts of feedstock can be created for the Russian producers of artificial sapphires.

    • Scientists from the National University of Science and Technology MISIS (NUST MISIS, Moscow) have improved the technology for the production of smartphone screens.
      Scientists from the National University of Science and Technology MISIS (NUST MISIS, Moscow) have improved the technology for the production of smartphone screens.
      © Photo : National University of Science and Technology MISiS
    • Scientists from the National University of Science and Technology MISIS (NUST MISIS, Moscow) have improved the technology for the production of smartphone screens.
      Scientists from the National University of Science and Technology MISIS (NUST MISIS, Moscow) have improved the technology for the production of smartphone screens.
      © Photo : National University of Science and Technology MISiS
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    © Photo : National University of Science and Technology MISiS
    Scientists from the National University of Science and Technology MISIS (NUST MISIS, Moscow) have improved the technology for the production of smartphone screens.

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    Tags:
    smartphone, Russian National University of Science and Technology (MISiS), Russia
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