Abstract Apple's new iwatch is equipped with a sapphire screen, which has become a big selling point. The sapphire hardness is second only to diamonds, and the artificially manufactured sapphire single crystal is widely used in the field of LEDs and smart phones. Nanjing Jingsheng Energy Equipment Co., Ltd. will meet this market demand and absorb the international top...
Apple's new iwatch is equipped with a sapphire screen, which has become a big selling point. The sapphire hardness is second only to diamonds, and the artificially manufactured sapphire single crystal is widely used in the field of LEDs and smart phones. Nanjing Jingsheng Energy Equipment Co., Ltd. approved this market demand, absorbed the top international technical talents, and developed the first 85 kg sapphire single crystal furnace in China, which greatly improved the growth efficiency of sapphire crystal. Li Hui, general manager of Nanjing Jingsheng Energy Equipment Co., Ltd., was engaged in equipment technical services when he started his business in 2011. "Domestic companies want to buy foreign sapphire single crystal furnaces, we provide business consulting and equipment technology assessment." Li Hui said that after contacting the industry, it was found that foreign equipment is expensive, but some of the effects are not very good. "The most expensive single crystal furnace of a foreign company has to sell for 80,000 US dollars, and there is also a minimum purchase line. For example, if it is less than 48, it will not be sold." Li Hui said that some companies bought it when they bite their teeth, but actually The yield of crystals produced is 40%. According to his contacts at the time, four or five domestic enterprises lost more than 200 million US dollars in 1-2 years.
Can you develop a single-crystal furnace with lower cost and higher efficiency? With this idea in mind, Li Hui established Nanjing Jingsheng Energy Equipment Co., Ltd. in 2012, and then set up an overseas R&D center in New York, USA, and absorbed four well-known experts in related fields. “New York State is a well-known company in the field of crystal materials and a university research and development institution. Their research is at the world's leading level. The R&D center is located there, which can be close to the cutting-edge technology and absorb and digest.†Li Hui said that the US research and development The center experts organically transplanted the most advanced thermal field design and crystal growth control technology into the crystal growth of sapphire materials, and successfully developed a 85 kg class single crystal furnace. Using this furnace, crystals of 85 kg weight can be grown at one time. “In 2013, the 35kg-class single crystal furnace was widely used in China. We are the first company in China that can produce 85kg class.†Li Hui said that the price is reduced by nearly half compared with similar foreign products.
In the past two years, Jingsheng Energy has sold 100 units of 85 kg class single crystal furnaces. The top five LED chip manufacturers in China use this device to produce sapphire crystals for LED substrate materials. Through continuous technological innovation, the current 85 kg class single crystal furnace has added many advantages: the use of thermal field temperature gradient control technology, the crystal growth cycle has been shortened from the original 20 days to 15-16 days; using new materials to improve the insulation effect, The equipment runs 20% less than the average product and so on.
Today, the greater demand for sapphire crystals comes from smartphones compared to LED substrate materials. "In the case of the Apple mobile phone, the touch screen and the camera glass are all using sapphire crystals. If the sapphire crystal is used in the mobile phone screen in the future, the output will increase greatly." Li Hui told reporters that two years ago, Apple arrived. Jingsheng Energy talked about cooperation and hoped to supply them with a larger capacity single crystal furnace. Through technological breakthroughs, last year, Jingsheng Energy successfully developed a 125 kg class single crystal furnace and sold 15 units for the first time in China. Li Hui also revealed that soon after, the company's 160 kg class super large capacity single crystal furnace can be sampled. "If the 160 kg class single crystal furnace is mass-produced, it can establish long-term cooperation with Apple." Li Hui said.
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