"Twists And Turns" Finally on The Right Track Sapphire Dan Changjing Furnace Into Operation Soon

Domestic institutions , companies should market demand , Sapphire Dan Changjing effort into research techniques , and finally in a short time has achieved some success : Size is small, lightweight ( 50 , 60kg ) Sapphire furnace Dan Changjing basic technical problems to be resolved . However, " there are unexpected storms ," when well- developed small size Sapphire Dan Changjing furnace can produce a large number of 2-inch wafers , a few developed countries abroad advanced technology can already produce a 4-inch wafers , MOCVD also gradually transition to using a 4 -inch wafer -based, so that the 2 -inch wafer prices never a shortage of $ 30 USD plunged 7,8 , then reproduction 2-inch wafers have been unprofitable. Spent a lot of manpower, material and financial resources , and finally overcome technical difficulties , yet the market has suffered " amulet ", which is undoubtedly a heavy blow , so many businesses slow down or even abandoned the sapphire substrate studies .

However, this does not mean that investment in technological research Sapphire Dan Changjing wrong ideas . Market shows that the sapphire substrate used has gradually transition from 2 to 4 -inch wafer -inch wafer . Drawn from the point of view of the same wafer , four 2 -inch wafer equivalent to a 4 -inch wafers, but the 2 -inch wafer can only sell 7-8 blocks dollars, while the 4 -inch wafers but can be sold at 60 , $ 70 . So, if put into research , small size, lightweight Sapphire Dan Changjing furnace, main outputs of 2 -inch wafer , then definitely no benefit at all, even at a loss ; if " drastic " continue to study the large-size , heavyweight sapphire crystal growth furnace , it is possible to obtain high efficiency as well as cost recovery . So some companies renewed hope , move on.


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