Sapphire Dan Changjing Furnace Domestic Situation

Taiwan and China manufacturers Sapphire Dan Changjing Technology Basic mainly from Russia and Ukraine. On the technical differences , the U.S. Rubicon ES2 technology used in in 2009 the company announced the successful growth of the " world's largest sapphire crystal " , weighing up to 200kg, can be used to cut out the 12-inch sapphire substrate , Rubicon ES2 technology products claimed defect rate lower than other technologies. American Crystal Systems HEM heat exchange method is adopted , the Japanese manufacturer is more of a pulling (Czochralski Method, CZ method ) and the guided mode based method (Edge-defined Film-fed Growth, EFG method ) , Russia to KY Act (Kyropulos Method , also known as Kyropoulos ) mainly in Taiwan and China manufacturers crystal growth technique is mainly due to the Russian KY France , Russia and crystal growth technology transfer fee is low, after the large-scale production costs remain attractive .

Currently sapphire CZ method is still more to the mainstream with KY law , to 2-4 inch sapphire substrate mainly based on cost factors and equipment manufacturers to develop the process , go to 6-8 inches forecast short-term probability is still low.


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