Recently, according to the supply chain news, one plus will use ceramic casings on the next generation of flagship one plus four. Earlier, some analysts said that the Huawei P10 high-end version and the next-generation iPhone will also use ceramic casings. Compared with metal and glass, zirconia ceramics and microcrystalline zirconium ceramics have better appearance, more delicate texture, stronger wear and scratch resistance and less electromagnetic shielding, and have excellent heat dissipation close to metal. . Because ceramic materials have many advantages, many mobile phone manufacturers such as Xiaomi, Jiajia, Huawei, and iPhone have chosen ceramics as the material of their flagship models. Does this indicate that ceramics will surpass metals and glass to become the mainstream material in the mobile phone industry? ? The manufacturing process of the ceramic casing is complicated, and there are many processes. The ceramics will shrink before and after firing, and it will become a waste product if it is accidentally inadvertent. Many factors lead to lower yields and higher costs for ceramic housings. For example, according to Lin Bin, president of Xiaomi Technology, the ceramic casing of Xiaomi MIX has passed more than 20 processing steps, the yield rate is only 5%, and the cost of ceramic frame and back cover is as high as 1,300 yuan. In addition, the wear resistance and scratch resistance of ceramic casings produced by existing processes have major drawbacks. For example, some netizens claimed that their millet MIX had a lot of scratches on the ceramic back cover after one month of mild use. The lower yield, higher cost, and immature process performance objectively limit the development of ceramics, making it difficult to popularize ceramic casings in the short term. Although the manufacturing process and cost restrict the development of ceramics in the mobile phone industry to a certain extent, in the long run, ceramic casings have great potential for development and explosiveness. 1. The arrival of the 5G era promoted the development of ceramic casings. According to the International Telecommunication Union's plan for 5G, the world will enter the 5G era around 2020. 5G communication adopts the wireless spectrum above 3GHz, and the signal of the communication band is extremely complicated, which puts extremely high requirements on the electromagnetic shielding performance of the mobile phone. The metal body has strong shielding effect on mobile phone signals, affecting the transmission quality of 5G communication, and it is difficult to meet 5G communication. Some analysts predict that in the 5G era, smartphones will completely abandon the existing metal back cover. The ceramic does not shield the signal, and the dielectric constant of zirconia ceramic is 10 times that of tempered glass, the signal penetration is better, the bending strength and thermal shock resistance are better, and it is more than metal and tempered glass. Meet the requirements of 5G communication. Therefore, the arrival of 5G communication will objectively promote the popularity of ceramic casings. 2. Consumer demand promotes the popularity of ceramic enclosures. At present, the homogenization of the mobile phone market is becoming more and more serious, and ceramic casings provide a new choice for mobile phone manufacturers and consumers. On the one hand, in order to develop differentiated competition, ceramic materials will gradually become a differentiated competitive weapon in the mobile phone industry. More and more mobile phone manufacturers will adopt ceramic casings, which will promote the development of ceramic casings; on the other hand, Xiaomi MIX After the release, the beautiful ceramic casing has won praises from consumers, indicating that the ceramic material meets the requirements of mobile phone users for the performance of mobile phone materials. The consumer market has great demand for ceramic casings, which will fundamentally promote ceramic casings. Popularization in the mobile phone industry. Some institutions predict that the market output value of smart phone ceramic backplanes will reach 11.6 billion yuan in 2018. 3. The development of productivity will provide favorable conditions for the popularization of ceramic casings. Modern science and technology has greatly shortened the cycle of new processes from generation to popularization, as well as in the mobile phone industry. With the further development of the ceramic industry and the continuous improvement of the ceramic body production process, the yield of ceramic casings will be higher and higher, the production time will be shorter and shorter, and the cost will be lower and lower. At present, the supplier of Xiaomi MIX ceramic casing, Chaozhou Sanhuan Co., Ltd., has a yield of 80% for the cobalt oxide ceramic front end blank, and the yield of the back-end processing has increased to 70%, and the production capacity has exceeded 1 million sets/month. At the 2016 Jingdezhen International Ceramics Expo, the 3D printing engraving equipment can shorten the production time of ceramic products from 5 days to 20 hours, and the yield rate can reach 100%. Guangdong Hongtong Ceramics, Jiangsu Extraordinary Ceramics, Hunan Lansi Technology and other companies have also increased the production capacity of mobile ceramic casings. These factors will gradually lower the cost of the ceramic casing and provide favorable conditions for the popularity of ceramic casings. On the whole, due to the process and cost, it is still difficult for ceramics to shake the dominance of metal and glass in mobile phone materials in a short time. However, with the improvement of the ceramic casing manufacturing process and the arrival of 5G communication, especially in the strong stimulation of the demand for ceramic casings, the ceramic casing is likely to have a metal-like explosion in the foreseeable future. Growth, in the mobile phone industry, especially the high-end mobile phone industry has become the mainstream of mobile phone materials.
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