Sensors, communication and computers are called the three pillars of information system. The sensor technology has become an important symbol of the national scientific level and the core technology which is highly valued and scramble for development by the developed countries.
In the field of industry, as the mechanical antenna, sensors are the first and important part of realizing the industrial automatic detection and automatic control. At present, the global sensor market has been dominated by the leading enterprises in the U.S., German, and Japan. And the traditional industrial giants, such as Honeywell, Bosch and Hitachi, have all put sensors as the growth point of the future business.
China, as the main production base of global largest electric products, has been in consumption of the one fourth MEMS devices. Yet, most of the MEMS sensors rely on imports. Domestic MEMS sensors are still in the low-end, and technology is relatively backward. This situation will remain for a long time.
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