New materials in mobile phone casings bring a new revolution in metal processing equipment

Plastic, glass, metal, mobile phone casings after several generations of material changes, finally ushered in the warmth of the jade, no signal shielding ceramic materials "world."
â–¼Mobile phone with ceramic mobile phone backplane
â–¼The world's first sales of ceramic backplane mobile phone millet 5
â–¼Watches and electronic devices with ceramic case/strap
The broad prospects of ceramic materials in consumer electronics have also brought great opportunities and challenges to ceramic processing equipment such as CNC.
Ceramic materials in the consumer electronics industry Introduction Advanced ceramics is a concept compared to traditional ceramics. It mainly refers to high-purity, ultra-fine synthetic inorganic materials as raw materials, chemical composition with precise control, and new manufacturing technology. A material with excellent properties.
Advanced ceramics mainly include two types of structural ceramics and functional ceramics. The former emphasizes the mechanical properties of materials, while the latter emphasizes the electrical, magnetic, thermal and optical properties of materials.
Advanced Ceramic Product Classification and Applications Ceramic materials currently used in smartphones, consumer electronics, and wearable devices are zirconia ceramics that are functional ceramics.
The trend of large-screen, thin and light mobile phones has put forward new requirements for structural materials: more hard, wear-resistant, lightweight, non-shielded signal, good heat dissipation and good hand feeling. Among the current mainstream mobile phone back cover materials, only ceramic casings fully meet these characteristics in physical properties.
Metal, the darling of today's smartphone casings, also has the drawback of easily shielding signals. There are three major compromises in the industry to solve this problem. Although the problem has been alleviated, it has caused certain problems.
Metal + plastic three-stage: three-stage solution makes the mobile phone body lack a whole sense;
Metal + integral spray type: spray paint is easy to wear or smash, once the local damage is very affecting the overall appearance;
Non-metallic shutter type: Non-metallic shutters are very awkward, or affect the overall beauty.
The ceramic material has no electromagnetic shielding effect, which solves this problem well. With the continuous popularization of 4G networks, the advantage of ceramic materials as a mobile phone casing has been increasingly valued by the market.
The application of zirconia ceramics into consumer electronics represented by mobile phones has three subdivisions.
The main application area is the back cover, followed by the patch for the fingerprint identification or the outer casing of the wearable device, and finally the small structural parts for the lock screen and volume keys.
Ceramic material market space Mobile phone back cover in consumer electronics According to IDC forecast, global smartphone shipments will reach 1.9 billion by 2019.
(Source: IDC)
Based on the premise of the shipment of 1.53 billion smartphones in the world in 16 years, if the penetration rate of ceramic appearance parts in the mobile phone industry is 3%, and the average price of each back cover is 200 yuan, the shipment of mobile ceramic back cover in 2016 will be With 40 million pieces, the market space will reach 9.2 billion.
Smart watches In the field of smart watches, the Apple Watch was born with a ceramic back cover, which set a model for other manufacturers. Therefore, the penetration rate of the smart watch ceramic back cover reached 50% in 2015, and the penetration rate is expected to reach 2020. More than 85%.
(Source: IDC, Gartner)
Fingerprint recognition The rapid growth of the mobile payment market has led to a sharp expansion of the market for fingerprint recognition.
(Source: Takuya Institute)
(Source: BigData-Research
Note: The transaction size only counts third-party payment companies, does not include UnionPay, banks, and wing payment/and package/linkage advantages and other operator payment companies)
At the same time, more and more smartphones are beginning to add fingerprint recognition.
Previously, mobile phone fingerprint identification patches mainly used sapphire glass, and the trend of zirconia ceramics replacing sapphire is more obvious.
(Source: China Industry Information)
With the use of zirconia ceramic fingerprint identification patches by mobile phones such as Xiaomi 4S, Xiaomi 5 and OPPO R9, it is believed that it will be quickly applied.
Regardless of Apple's iPhone, the fingerprint recognition patch market reached 1.65 billion yuan in 2020.
Assuming that all iPhones use ceramic fingerprint patches, the market for fingerprint identification and patch in 2020 reached 2.19 billion yuan . With the rapid development of MEMS, the advanced packaging market has also brought opportunities for ceramic packaging. The ceramic package is a hermetic package, and the package has the highest reliability, good thermal conductivity, high temperature resistance, and excellent electrical properties, enabling multilayer wiring.
(Source: Material Network)
With the expansion of the market share of advanced packaging and the development of ceramic materials technology, it is expected that the ceramic substrate market will increase from US$400 million in 2013 to US$700 million in 2019.
Ceramic substrates in the field of traditional ceramic devices are mainly used in the field of chip resistors, so the demand for chip resistor applications represents the needs of the entire ceramic substrate industry. According to the prediction of China Electronic Components Association, the global ceramic substrate industry will maintain an annual growth rate of around 4% in the next five years.
(Source: China Electronic Components Association)
MLCC is a chip multilayer ceramic capacitor that functions as oscillation, coupling, bypass and filtering in electronic circuits. It is the largest and fastest growing chip electronic component. Through technological advances, its substitution for other types of capacitors will also become increasingly apparent. The growth rate is expected to remain between 5% and 8%.
(Source: China Electronic Components Association)
Ceramic material processing in the processing cost of ceramic materials, the highest proportion of raw materials, followed by the final finishing equipment.
(Source: Kaysm)
There is a certain similarity between metal CNC machining and ceramic CNC machining. As long as the machining process is improved, the ceramic back end machining can be realized. At present, the domestic back-end metal cutting and polishing process companies are well-known companies such as Lansi Technology, Changying Precision, Shengli Precision, Jinsheng Precision and Chunxing Precision.
(Source: Eastern Securities)
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