China's Largest Sapphire Crystal Produced Promotes Tungsten Thermal Field Development
- Details
- Category: Tungsten's News
- Published on Tuesday, 26 April 2016 18:16
It was reported the first 120 kg sapphire crystal is produced in Nanchang optical valley. The largest sapphire production will not only further promote Jiangxi LED lighting industry, smart phone industry development, but also will greatly promote the development of China tungsten and molybdenum industry development.
Nanchang High-tech Zone is the core area of Nanchang optical valley, mainly to R & D strength silicon-based LED technology and applications, and to develop sapphire substrate LED chips production. Sapphire is the main material for LED preparing, the largest sapphire crystal produced by this institution, which will promote the development of LED technology, greatly expanded the application of LED light. It expected in 2020 the earnings of LED industry will be more than one hundred billion RMB, accounting for 15% of China industry revenue which the silicon substrate LED technology revenue will reach fifty billion RMB. Sapphire crystal has high strength and good wear resistance, so it is commonly used in the smart phone industry, often used to make phone lens cover, screen and home button and so on. Therefore, the development of largest sapphire can promote smart phone industry development. In addition, the sapphire crystal also can use in infrared military installations, satellite space technology, and high-intensity laser light as an important window material.
Sapphire production need to melt Al2O3 raw material at 2050 ℃, and then after cooling to form crystallized by a single crystal. Therefore, sapphire crystal growth furnace is used for crystal growth usually made of tungsten thermal field with excellent high temperature property, including tungsten crucible, columns, trays, chassis and other components. Tungsten thermal field is the central part of sapphire crystal growth equipment and is made of the heat, the support, the insulation three systems and seedholder and other accessory. High quality thermal field products will significant influence sapphire crystal quality. Sapphire crystals are widely used in many industries, so it is conducive to the development of tungsten thermal field and other related industries.
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