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Ceramic Circuit Board: A Great Meritor of Widening Sensor Market in China

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  Sensors have been around 150 years since they were born in the 1960s.With the rapid development of the Internet of Things industry,more and higher requirements have been put forward for sensor skills.DPC ceramics,McKinsey report pointed out that by 2025,the economic benefits of the Internet of Things will be between 2.7 trillion and 6.2 trillion US dollars.As an important import of sensor layer data collection in the Internet of Things,sensors are bound to usher in explosive growth in the next few years.

  What is a sensor?Sensor is a kind of detection device consisting of sensitive elements and conversion elements.It can sense the measured information and convert the detected and sensed information into electrical signals(voltage,current,frequency or phase)according to certain rules.It eventually provides data sources for data analysis and artificial intelligence used in the Internet of Things.

  Nowadays,the global sensor market is dominated by several leading companies in the United States,Japan and Germany.There are more than 22,000 kinds of sensors in the world,and there are about 7,000 kinds of conventional types and varieties in our country.More than 90%of high-end sensors still depend heavily on imports.Digital,intelligent and miniaturized sensors are severely lacking.

DPC ceramics

  At present,the main research direction of sensor technology in China is micro-electromechanical system(MEMS),which integrates microprocessor and sensor into an intelligent data terminal with the functions of environment sensing,data processing,intelligent control and data communication.In microelectronics,the smaller the characteristic scale of integrated circuit means that the higher the integration degree of the device,the faster the operation speed and the better the performance.The smaller the scale of sensors in the Internet of Things system,the more convenient and better the performance of the system in the layout.But together,the requirement for hardware is higher,and the center of it is the sensor chip.Nowadays,there are fewer large-scale sensor manufacturers in China,mainly small and medium-sized ones.The chip data are mainly FR-4 and aluminium substrates.However,in developed countries,ceramic circuit boards have been widely used.Ceramic substrates have better stability,better insulation ability and ultra-high insulation ability.Thermal conductivity is the apple of the eye of world-class sensor manufacturers.

  There is still a certain distance between domestic sensors and foreign skills,but we can not just look at the skills,we have to upgrade the hardware together,after all,the hardware is the foundation.The development of domestic ceramic circuit boards is also very rapid.The main skills are film skills,thick film skills,screen printing skills,DPC skills(direct copper cladding skills)and the latest LAM skills(laser rapid activation metal skills).LAM technology is the most advanced ceramic circuit board processing skills,can carry out high-density assembly,line/spacing(L/S)resolution can reach 20 microns,and then achieve short,small,light and thin equipment.It is absolutely the best choice to promote the MEMS in China.

  At present,because the domestic Internet of Things is still in its infancy,there is no effective communication between many hardware and terminal manufacturers,many manufacturers can not lead things out,and terminal manufacturers can not get effective information.DPC ceramics,in the context of China's vast territory and vast resources,manufacturers can no longer stand on their own feet,must go out,introduce,use higher-end hardware,drive the technological innovation of the entire industrial chain.
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