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Application of special circuit boards in 5G
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   Pecial engineering plastics refer to high-performance engineering plastics with long-term use temperatures above 150°C. They are the third generation plastics developed after general plastics and engineering plastics. They have the advantages of heat resistance, insulation, corrosion resistance and high mechanical strength. , The main varieties are polyphenylene sulfide, polyimide, polysulfone, aromatic polyamide, polyarylate, polyphenylester, polyether ether ketone, liquid crystal polymer and fluororesin.

     The copper clad laminate industry is in the middle of the entire PCB industry chain, providing raw materials for PCB products. Copper clad laminate is a plate-like material made by impregnating electronic fiberglass cloth or other reinforced materials with resin adhesive, drying, cutting, and stacking into a blank, and covering one or both sides with copper foil and hot pressing. , Mainly used to make printed circuit boards (PCB), which play the role of interconnection, insulation and support for PCB. The upstream of the industrial chain is raw materials such as electrolytic copper foil, wood pulp paper, fiberglass cloth, resin, etc., the downstream is PCB products, and the terminal industries are aerospace, automobiles, home appliances, communications, computers, etc.

      Ultrasonic Electronics said that the current global printed circuit board manufacturing companies are mainly distributed in China, Taiwan, Japan, South Korea, Europe, the United States and other regions. From the perspective of regional distribution of output value, the focus of the PCB industry has shifted to Asia, and China's PCB output value accounts for more than 50% of the world. Ultrasonic electronic printed circuit board products are in a wide range of applications in the PCB industry, and are less affected by a single industry. Therefore, there are many manufacturers, the industry is relatively scattered, the market concentration is not high, and the market competition is sufficient.

     From the division of labor in the global industrial chain, it is found that Ultrasonic Electronics is on an exploding vent, the most important of which is the domestic relaxation of low-altitude aviation restrictions on the personal part, which will have the opportunity to stimulate the market for airborne products to increase exponentially; The promotion of intelligent manufacturing will allow industrial computer products to enter another growth period; after the AIOT market is extended to more application scenarios, the requirements for high-performance products in the smart home field will also be on par with industrial computer products, which are also ultrasonic The target market for electronics.