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Printed circuit board, the English name PCB, is a circuit board that forms circuits and printed components according to a predetermined PCB design on the basis of FR4 and other common substrates. Its main function is to connect various electronic components on the circuit board to a predetermined circuit, and act as a relay bridge. It is the provider and interconnector of the electrical connection of electronic components, and is also known as the "mother of electronic products". Therefore, it is also called the motherboard.
Market size
Since the late 1990s, the PCB industry in mainland China has developed rapidly and its output value has increased rapidly. PCB manufacturers have continuously introduced advanced foreign technology and equipment, and become the fastest growing area in the global PCB market. In 2006, Mainland China surpassed Japan for the first time and became the world's largest PCB production base. From 2015 to 2019, the average annual compound growth rate of PCB output in mainland China reached 5.61%, which is much higher than the global average growth rate. It is estimated that the annual output value of 2021 will reach 37.052 billion U.S. dollars.
Among the PCB products in mainland China in 2019, the output value of multilayer boards accounted for 45.97%, making it the circuit board product with the largest output value. Among them, HDI board and flexible board market share rose rapidly, the output value accounted for 16.59%, 16.68%, and single/dual panel output value accounted for 17.47%. As the PCB application market develops towards intelligence, lightness and high precision, the proportion of high-tech, high-value-added HDI boards, flexible boards and packaging substrates in PCB products will further increase. The 7-order HDI board of Benqiang Circuits has also been developed and listed, which will surely boost the further development of high-end smart phones.
Future trends
In the context of the large-scale popularization of smart terminal equipment and the rapid promotion of 5G construction, the technology of the PCB industry is undergoing new changes. As far as PCB products are concerned, high density, flexibility, and high integration are the future development directions; in terms of manufacturing processes, new processes, new equipment, automation, and intelligent manufacturing will become the future development trends.
1. High density, flexibility, and high integration
High-density is mainly in terms of PCB aperture size, line width and line spacing, high-level, multi-layer, etc., represented by HDI boards. Compared with ordinary multi-layer boards, HDI boards can accurately set blind holes and buried holes to reduce the number of through holes, save the area of the PCB that can be routed, and greatly increase the density of components. In 2021, high-end 7-order HDI circuit boards will become popular.
Flexibility or specialization mainly refers to the improvement of PCB wiring density and flexibility through static bending, dynamic bending, crimping, folding and other methods of the substrate, thereby reducing the limitation of wiring space. The combination board is representative, this kind of PCB is what we call special PCB board.
High integration is mainly through the assembly of multiple functional chips on a tiny PCB circuit board, represented by IC-like carrier boards (mSAP) and IC carrier boards.
2. New technology, new equipment, automation to realize intelligent manufacturing
The advantages of automated and intelligent production are mainly reflected in the following aspects:
First, it can effectively open up material flow, information flow, and value flow, realize visualization and transparency of production, and improve the efficiency of decision-making and execution through intelligent analysis, realize automatic scheduling, and effectively shorten the production cycle;
Second, the application of automated production equipment can reduce labor, improve work efficiency, reduce labor costs, management costs, and reduce resource consumption, thereby achieving a substantial increase in output value and efficiency;
Third, it can realize the full coverage of the whole process quality analysis and quality traceability system, improve the stability of product quality, and effectively increase the production yield;
Fourth, the flexibility of production can be improved, the customization needs of customers can be fully met, and the rapid delivery of orders can be realized. PCB Allegro factories will become popular.
Future development prospects
1. Industrial policy support
On August 27, 2019, the "Industrial Structure Adjustment Guidance Catalogue (2019 Edition, Draft for Comment)" adopted by the National Development and Reform Commission
On August 27, 2019, the "Industrial Structure Adjustment Guidance Catalog (2019 version, draft for comments)" adopted by the National Development and Reform Commission pointed out that the country will introduce new electronic components (high-density printed circuit boards and flexible circuit boards) in the next few years. ) Manufacturing, new electronic components (high-frequency microwave printed circuit boards, high-speed communication circuit boards, flexible circuit boards, etc.) and other electronic product materials are included in the encouraged projects of the information industry. Affected by the national PCB industry policy, the PCB industry will face huge development opportunities.
2. Continuous promotion of downstream industries
Under the background of my country's vigorous promotion of the "Internet +" development strategy, emerging fields such as cloud computing, big data, Internet of Everything, artificial intelligence, smart homes, and smart cities are booming. New technologies and new products continue to emerge, which vigorously promote the PCB industry. development of. The popularization of new-generation smart products such as wearable devices, mobile medical devices, and automotive electronics will greatly stimulate the market demand for high-end circuit boards such as HDI PCB boards, flexible boards, and packaging substrates.
3. The transfer of global PCB manufacturing centers to mainland China
Due to mainland China's advantages in market demand, labor resources, industrial chain integrity, government policy support, etc., global PCB production capacity will be further concentrated in mainland China, which has developed into a global PCB manufacturing center. This will help improve the technology and management level of Chinese PCB manufacturers, and further promote the benign and rapid development of the PCB industry.
