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Information × Registration Number 0207U000857, 0104U003302 , R & D reports Title Development of technology and organization of manufacture of sappfhire popup.stage_title Head Dan'ko Aleksandr Yakovlevich, Registration Date 13-02-2007 Organization Institute for Single Crystals Scientific and Technology Association "Institute for Single Crystals" National Academy of Sciences of Ukraine popup.description2 The apparatus "Gorizont-5" meant for the growth of 350x500x30 mm sapphire crystals is developed and manufactured. Model testing proves the efficiency of the technical approach used for the making of the thermal unit of the crystal growth apparatus. Developed is the technology of the growth of optical sapphire in He atmosphere at a pressure of 30-50 mm of mercury column which allows to decrease the rate of solution evaporation by 2-3 times and to provide the conditions for the growth of large-size optical sapphire crystals.5635 Product Description popup.authors popup.nrat_date 2020-04-02 Close