Chinese First Super One Hundred kilograms Sapphire Crystal in The Soviet Union Came

June 28 morning, in the national scientific and technological progress advanced cities of Zhenjiang born a one hundred kilograms sapphire crystal , this innovation is the rapid growth of China's LED industry provides a high-quality materials , and means of sapphire crystal growth, substrate manufacturing market long-term dependence on imports passive situation is being broken , to improve the LED industry chain plays a vital role in the history of technological innovation and a milestone. Provincial Science and Technology Department deputy director Wang Qin , vice mayor Feng Shi Chao Zhenjiang City , Zhenjiang Suzhou was party secretary and other relevant leaders , experts and a number of media to witness this moment, it is a body transparent , into a cylindrical shape sapphire crystal , weighing 101.35 kg , is currently produced by human technology largest and heaviest sapphire crystal.

According to on-site technical personnel, over one hundred kilograms Fengyun sapphire crystal with the United States , Switzerland and other foreign experts jointly developed , it is the use of " in-situ growth , in-situ annealing " unique growth process technology for superior quality sapphire single crystal , the crystal growth process solves the inconsistent quality , small size , and many other problems. Successful trial production of the first furnace for future large-scale production and upgrade to a larger size gems possible.

Professor Bai Fengzhou said: Fengyun sapphire crystal far as I can see and understand the size of the country 's largest , heaviest weight sapphire single crystal . Growth process and heat exchange equipment unique in the country , and within a short time large-size sapphire crystal growth hit the ground running , won the first battle . In the process of the domestic large-size sapphire crystal growth in seize the high ground, with the big breakthrough.

Look forward to the next trip, moving steadily, at every step , so that the crystal growth process is stable and reliable equipment operation carefully , the product has a high rate . In particular, firmly grasp the crystal quality, scientific management , advanced technology , and personnel for the fight for more breakthroughs .

In recent years, LED industry is developing rapidly worldwide , and its products are widely used in the field of lighting and blue lasers , especially applied to the liquid crystal display , the market is expanding rapidly , almost 100% of notebook computers, more than 50% of LCD TVs are application . In this huge LED industry chain, sapphire crystal growth, substrate manufacturing at the forefront of LED industry chain is the largest investment , the highest technical barriers, the largest value-added sectors , the manufacturing process each of them requires a high superb production technology and management support , reliance on technology and equipment is very strong, because of this, China's demand for high brightness blue LED epitaxial wafers , etc. are almost entirely dependent on imports . The birth of large-size sapphire crystals , can be said to be a major breakthrough in solving the LED industry chain " bottleneck" .


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