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China’s electronic copper foil industry and its application in PCB industry


Electronic copper foil is a kind of copper foil, which is a negative electrolytic material. It is a thin, continuous metal foil deposited on the base layer of the circuit board. It is easy to adhere to the insulating layer, accept the printed protective layer, and resist corrosion. Then form a circuit pattern. Electronic copper foil is the main raw material for copper clad laminates (CCL) and printed circuit boards (PCB).

Industry Development Status

According to the latest report, with the development of the downstream market in recent years, the demand for China’s electronic copper foil market has also continued to grow, resulting in a steady growth trend in production capacity and output. According to the data, in 2021, China’s national electronic copper foil production capacity will be 405,200 tons, an increase of 29,000 tons of electronic circuit copper foil production capacity, a year-on-year increase of 7.71%, and an output of 352,000 tons, a year-on-year increase of 5.07%.2016-2021-china-copper-foil-

Application industry

At present, China’s electronic copper foil is mainly used in the fields of copper clad laminate (CCL) and printed circuit board (PCB), among which printed circuit board (PCB) is one of the most important application fields of copper foil.

1. Printed circuit board (PCB)

Electronic copper foil is a thin layer of copper foil deposited on the base layer of the circuit board. It is one of the main raw materials for making copper clad laminates and printed circuit boards.

Printed circuit board (PCB), also known as printed circuit board, is the provider of electrical connections for electronic components. In recent years, thanks to the rapid development of China’s electronic information field, the scale of China’s PCB industry has also continued to expand, and the industry’s demand for copper foil has also continued to increase, promoting the continuous development of the copper foil industry. According to data, the market size of the PCB industry in mainland China will reach US$44.2 billion in 2021, a year-on-year increase of 25.9%.
PCB-Market-Size-and-Growth-Rate-in-Mainland-China-from-2015-to-2021-At present, printed circuit boards are widely distributed in China, covering communication equipment, computers and their peripherals, consumer electronics, industrial control, medical care, automotive electronics, military, aerospace technology and other fields. Irreplaceability is one of the elements for the steady development of the printed circuit board manufacturing industry.

It is expected that with the development of science and technology, the demand for electronic information processing of various products will gradually increase, and new electronic products will continue to emerge, which will continue to expand the use and market of printed circuit board products. At present, communication electronics account for the largest proportion, reaching 30%.

Copper clad laminate (CCL)

Copper foil is the most important raw material in the manufacture of copper clad laminates, accounting for the highest cost, accounting for about 40%. It can be seen that the development of copper clad laminates also affects the market demand for copper foil.
Cost-ratio-of-China's-copper-clad-laminates-Copper-clad laminate (generally referred to as copper-clad laminate) is a plate-like material made by impregnating electronic glass fiber cloth or other reinforcing materials with resin, covering one or both sides with copper foil and hot pressing, referred to as clad. copper plate.

China is the main producer of copper clad laminates and belongs to the center of global copper clad laminate manufacturing. In recent years, China’s copper clad laminate production capacity has shown a continuous growth trend. According to CCLA data, the total production capacity of China’s copper clad laminates will be about 1.08 billion square meters per year in 2021, an increase of 71.42 million square meters per year compared with 2020; the output will be 803 million square meters, a year-on-year increase of 10%.
China's-copper-clad-laminate-sales-in-2021-At the same time, with the rapid development of the information industry, the market demand for China’s copper clad laminates is also increasing. Data show that in 2021, the sales volume of copper clad laminates in China will increase year by year from 382 million square meters in 2011 to 813 million square meters, with an average annual compound growth rate of 7.85% during the period. It is expected that with the advancement of the 5G infrastructure construction process, there will be a large demand for PCBs, so that the CCL industry will continue to grow.



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