Want to understand PCB

PCB that is, printed circuit board, mainly by the insulating substrate and the conductor of two types of materials, in electronic equipment to play the role of support, interconnection. Integrated circuits and resistors, capacitors and other electronic components as an individual can not play a role, only to get the support of the printed circuit board and connect them, in the whole in order to play their respective functions.

PCB industry upstream and downstream division is clear, the upstream industry, including glass fiber, ink, copper cladding and other raw material suppliers, midstream industry, including PCB production equipment suppliers, downstream industry covers a variety of applications. The industry chain can be divided into raw materials - copper-clad boards - printed circuit boards - electronic applications.

Divided by the use of downstream electronic products, PCB can be used in consumer electronics, automotive electronics, network communications, industrial control and medical, aerospace and other fields. In the field of consumer electronics PCB used in cell phones, home appliances, drones, VR equipment and other products; in the field of automotive electronics PCB used in GPS navigation, car audio, car dashboard, car sensors and other equipment; in the field of network communications PCB used in optical modules, filters, communication backplane, communication base station antenna and other equipment; in the field of industrial control and medical PCB used in industrial computers, frequency converters, measuring instruments, medical monitors and other equipment. In the industrial control medical field PCB used in industrial computers, frequency converters, measuring instruments, medical monitors and other equipment; in the aerospace field PCB used in aircraft, aviation remote sensing systems, aviation radar and other equipment.

After decades of development, the PCB industry has become a global industry, but in recent years the total production capacity has shown a low-speed development trend. Data from the China Business Industry Research Institute shows that the global PCB market value reached 54.2 billion U.S. dollars in 2016, although compared with the market value of 2015 fell 2%, but is still the largest proportion of the electronic components sub-sector of the industry. In the future, driven by the continued development of the global electronic information industry, the global PCB market is expected to maintain a growth rate of about 2%. The industry eastward trend, the mainland is unique. PCB industry center of gravity continues to shift to the Asian region, and the Asian region's production capacity and further transfer to the mainland, the formation of a new industrial pattern. Before 2000, 70% of the global PCB output value distributed in Europe, America (mainly North America), Japan and other three regions. And with the continuous transfer of production capacity, the Asian region is now close to 90% of the world's PCB output value is the dominant global PCB, and mainland China has become the highest global PCB production capacity in the region. At the same time, the production capacity within the Asian region in recent years has shown a trend of transfer from Japan, South Korea and Taiwan to the Chinese mainland region, making the mainland region PCB production capacity to be higher than the global level of 5% to 7% of the rate of growth. 2017 China PCB output value will reach 28.972 billion U.S. dollars, accounting for more than 50% of the global total output value.