Molybdenum News Center

The Dispute of Sapphire Dan Changjing Furnace Between Domestic and Imported

Currently , Sapphire Dan Changjing equipment manufacturing technology mainly by the United States , Russia, Ukraine and other countries to master. By 2010 , the world's major Sapphire Dan Changjing giant are basically homemade crystal growth furnace , a few companies are buying Russian or Ukrainian device , the device is basically for the Japanese domestic market. Therefore, the choice of imported equipment space is not large , it also gives crystal growth furnace domestic enterprises to provide an excellent market space. 2009 L ED investment boom began in the epitaxial silicon companies have expansion , bulk order machine, directly stimulating the demand for sapphire substrates , extended upstream device , Sapphire Dan Changjing fiery furnace market began , many companies have started long grain furnace production . GLII statistics show that currently only involved in crystal growth furnace domestic R & D and production companies a total of 17 .

It is understood that domestic long crystal devices generally offer lower than the imported equipment more than 30% , some even a difference of nearly half. Suzhou -platinum crystal new domestic business unit director Zhang Xiang said that at present they used the 80 kg class imported crystal growth furnace price of 300 yuan, while the same size of the domestic crystal growth furnace is only 200 million. Insiders said that the current domestic crystal growth furnace in the small size class technology has matured, able to stabilize production sapphire crystal , but more than 85 kg class crystal growth furnace remains to be further market validation.

Currently, the market is still a considerable part of the research enterprise itself sapphire crystal growth furnace , the domestic production of the sapphire substrate has several vendors, including quadruple optoelectronics, Yunnan, aquamarine , Tiantonggufen , etc. are used to design or combination design and manufacture of crystal growth furnace . Domestic crystal growth furnace furnace in the passing rate is not high , the output of the crystal kg class is relatively small, but also in terms of cost considerations uneconomical. Domestic crystal growth furnace cost of long- grain insufficient attention in quality assurance, integration and other aspects of crystal growth have yet to be improved.


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