Abstract The emerging application of synthetic diamond is accelerating: synthetic diamond is one of the hardest materials in the world. Its traditional functions are sawing, cutting, grinding and drilling. Common fields include cutting of construction stone and stone, mining, oil exploitation and machining. And other fields, by the building materials industry...
The emerging application of synthetic diamond is accelerating: synthetic diamond is one of the hardest materials in the world. Its traditional functions are sawing, cutting, grinding and drilling. Common fields include cutting of construction stone and stone, mining, oil exploitation and machining. In the field, affected by the decline in the growth rate of the building materials industry, the demand for synthetic diamonds in the traditional industry has been affected. As the synthetic diamond industry advances technological innovation, enhances product quality and the development of some emerging industries, emerging applications in the synthetic diamond industry are expanding. The key areas include: 1. With the introduction of large-scale single-millimeter and karat-class single crystals, diamond products are developing downstream of single-crystal knives, non-ferrous metal decorative parts, grinding wheel dressing tools, wire drawing dies, etc., and the product field is expanded to electronic information. Aerospace, defense and military industries. 2. In the field of process diamonds (consumption), with the introduction of the large-scale single crystal of the carat grade and its performance index, the large-grain synthetic diamond is filling the demand space of insufficient natural diamond with its advantages of low quality and low price. 3. The demand for diamond micronized cutting wire for new energy and emerging electronic products is also opening. Diamond micronized cutting wire has a performance advantage, benefiting from the increased demand for new energy and sapphire cutting. Diamond micro-powder cutting line is made of diamond micro-powder on steel wire. It is mainly used in the field of silicon-based battery slicing, silicon rod opening, silicon rod cutting and so on in solar photovoltaic industry. It is used in LED substrate in sapphire industry. Cutting of epitaxial wafers, etc., other cutting such as precious metals and precision ceramics. In the solar photovoltaic industry, the use of diamond micropowder to replace silicon carbide, the use of longer life, can improve cutting efficiency, reduce cutting loss, while cutting the silicon wafer with high precision and good quality. The cutting of solar photovoltaic wafers per watt requires about 0.5 meters of micron diamond wire. In 2015 and 2016, China's new installed capacity is 18GW and 24GW. For these reasons, the potential market capacity of diamond micronized cutting lines is 9 billion meters and 120. Billion meters. It is estimated that the market demand for sapphire substrates for LEDs in China will reach 67 million in 2015. According to each 2 inch LED sapphire underlay, it takes about 7 meters of micron diamond wire meter. The demand space for LED sapphire substrate market only reaches Nearly 470 million meters, plus the use of sapphire in electronic products such as applewatch, cutting demand is even greater.
Yu Diamond is advancing from the general single crystal diamond products toward large single crystal, micro powder and diamond products, and has made breakthroughs. 1. In terms of large single crystals, the company is gradually adjusting the existing press capacity to increase the production capacity and output of large single crystal products; the company is also making progress in the market of large single crystals, and the large single crystal of industrial cutting is steadily advancing. The large single crystal of craft jewelry has also established contact with downstream enterprises and achieved sales. 2. In diamond products, the company's diamond micro-powder cutting line products have been widely recognized by downstream customers and maintain a relatively stable cooperative relationship with related customers. Due to the limitation of production capacity, it is unable to meet the fast-growing market demand of customers. The company's micro-diamond line products are in short supply. The company plans to increase the number of shares to the major shareholders by RMB 3.8 per share, and raise RMB 408 million for “ 350 million meters of diamond micro-powder cutting line and other projects. As the company's additional issuance plan was approved by the China Securities Regulatory Commission, the capacity bottleneck of the diamond micro-powder cutting line project is about to break through.
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