As one of the three foundations of information technology, sensor technology has become a high-tech that is currently developing in various developed countries. In the past two years, the rapid development of the information industry has led to the development of sensor technology and related industries represented by Japan, Europe and the United States.
In contrast, China began to enter the sensor manufacturing industry as early as the 1960s. After 30 years of reform and opening up, China's sensor technology and its industry have made great progress. Especially in the “Made in China 2025†issued by the state, the new generation of information technology industry has been raised to the top position of the national development key areas. The development of the Chinese sensor industry, which is the foundation of the industry, has also attracted attention from all quarters.
But I have to admit that there is still a big gap between domestic sensors and some developed countries. This gap is not only reflected in the backwardness of the sensor in terms of sensory information, but also in the backwardness of the sensor itself in terms of intelligence and networking.
At present, China has formed a relatively complete sensor industry chain from materials, devices, systems to networks, but the industry is low, the scale of enterprises is small, the ability of technological innovation and homogenization are serious, and the backwardness of production equipment and technological processes The instability also causes defects such as product index dispersion and poor stability.
For example, today there are about 6,000 kinds of sensor products in China, and there are more than 20,000 in foreign countries. In terms of quantity, it can't meet the domestic market demand. Then the introduction of sensor products/technology from abroad has become the fastest way. According to incomplete statistics, the nationalization rate of China's sensor chip market is less than 10%, of which high-end sensor imports account for 80%, and sensor chip imports are up to 90%.
In addition, domestic sensor products are mainly based on counterfeiting and secondary development, especially in the core technology and production process of sensitive components such as chips, which poses great challenges to the domestic industry again.
However, fortunately, under the general trend of smart life and intelligent production, China's sensor industry is expected to usher in new development opportunities. Academician of the Chinese Academy of Engineering and Vice President of Tsinghua University, said that at present, the layout of China's sensor industry has basically taken shape and achieved certain results. Overall, the domestic sensor industry is in a good state of development and development prospects. Larger.
From the field point of view, the four parts of industry, automotive electronics, communication electronics, and consumer electronics are the largest application markets for current sensors, while sensors in the domestic industrial and automotive electronics sectors account for about 41%. The fastest growing is In the automotive electronics and communications electronics applications market, it can be said that the two coincide. Therefore, China has an advantage in the development of the next sensor market.
How to make the best use of this advantage, break through the domestic industry, and achieve overtaking of the curve, is the next important issue for domestic sensors.
In order to promote the healthy development of the domestic sensor industry, experts pointed out that in the future, China's sensor development can be carried out in the following directions:
First, market development is focused on industrial control, automotive, communication and information industry, and environmental protection;
Second, through technology research and development, product innovation, the development of original technology and products with independent intellectual property rights, can focus on sensors, elastic components, optical components, special circuits;
Third, under the general trend of intelligence, relying on integrated, intelligent and networked technologies to strengthen the manufacturing process and the development of new sensors and instrument components, so that the leading products reach and close to the advanced level of similar foreign products.
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