According to Engineering LED Industry Institute (GLII) statistics show that despite the current low price of the sapphire substrate is in the domestic investment projects sapphire dan changjing expansion boom is beginning to become more rational , but crystal growth furnace equipment investment enthusiasm seems seem not to cool down. Only in the past in 2011, there are more than ten domestic businesses to invest in developing crystal growth furnace equipment , some of which have already received orders manufacturers is mass production.
Recently,the Taiwan subsidiary of Taiwan sapphire dan changjing manufacturers ACME poly-called photoelectric successfully developed the largest in Asia , 120 kg class sapphire dan changjing furnaces. Company official said that the magnitude of the crystal growth furnace can significantly reduce production costs, and is suitable for 6 inches above the ingot production.
And just two weeks ago , Jiangsu Shuangliang Group Ltd. said the company introduced sapphire dan changjing Ukraine Lancey nous furnace technology company , has completed the digestion and absorption , is expected to 85kg sapphire dan changjing furnace after the Spring Festival will be held in 2012 market.
According to Engineering LED reporter, before the market can be used to supply the production of LED sapphire dan changjing furnace , mainly GTAT 100 kg class crystal growth furnace , USA TT's 90 kg class crystal growth furnace , ARC-energy of 30 kg grade crystal growth furnace as well as Russia 's 35 kg class crystal growth furnace.
As previously sapphire crystal rod has appeared worldwide overcapacity alarms , plus domestic sapphire crystal rod maker continues expansion, resulting in two -inch sapphire substrate prices over the past one-year period from a high of 35 dollars plunged below $ 10 .
In comparison,the current market price of the sapphire substrate 4 inches case is obvious, because more than 60 kilograms of crystal growth from the stick and cut out four inches and above the technical difficulty of the substrate is still high , so the price range is limited.
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| Sapphire Dan Changjing Furnace |
Meanwhile,in addition to Europe, America and Taiwan, some manufacturers in mass production 4 inches and above epitaxial wafers , the extension of domestic manufacturers is 2 inches basically still dominated . According to the reporter , now 4 inches sapphire substrate prices still maintain a level of about 50 dollars , taking into account the gradual opening up of large-size manufacturers epitaxial production process,sapphire dan changjing manufacturers also can speed up deployment of large kg class product line.
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