Globally, the MEMS inertial sensor industry is booming at an unprecedented rate. This article mainly introduces the development status and achievements of the global and Chinese MEMS inertia field. In the 2023 global MEMS vendor rankings, Bosch continues to lead with its strong performance, while Qualcomm has achieved significant annual growth with the development of 5G technology, successfully entering the top three in the world. At the same time, companies such as Goertek Microelectronics in China are also making their mark in the international MEMS industry, despite the challenges posed by market volatility.
In terms of technological development, MEMS inertial sensors are gradually replacing traditional mechanical inertial sensors, such as lasers and fiber optic gyroscopes, due to their small size and high integration. China's development in this area is particularly significant, not only making breakthroughs in a number of key technology areas, but also achieving innovative applications in emerging fields such as intelligent assisted driving.
Autonomous driving technology, especially above Level 3, places higher demands on MEMS inertial sensors: safe, reliable, cost-effective, and highly accurate. Security is especially important in the transition from L2 to L3. For example, while 150,000 kilometers of testing can reveal 99% of potential problems, the remaining 1% may be difficult to detect for longer. That's a huge risk for hundreds of millions of cars on the road every year. Therefore, it is essential to develop sensors with functional safety and high reliability to ensure the safety of autonomous vehicles.
Figure: The MEMS inertial sensor industry is growing rapidly worldwide
China's MEMS inertial sensor industry chain is maturing, covering key links such as design, manufacturing, packaging and testing. Some domestic enterprises have established their own manufacturing process platforms to improve the processing accuracy of products. China's MEMS inertial sensor market is expected to grow at a steady rate by 2027, reaching a scale of more than 10 billion yuan, mainly driven by demand growth in downstream markets such as autonomous vehicles, robotics and industrial equipment.
China has become an important center for the development of the MEMS inertial sensor industry, and has made remarkable achievements in the construction of the industrial chain in recent years. A good design, R&D, production, marketing and service industry chain has been formed, which has created favorable conditions for the development of MEMS inertial sensor enterprises. With the continuous improvement of process equipment and the improvement of manufacturing level, China's MEMS inertial sensors have begun to enter the high-end market and gradually approach the international level.
The development of MEMS inertial sensor technology has gone through two stages: R&D and application. At present, high-performance MEMS inertial sensor products have been promoted and applied worldwide, and the market is mainly occupied by international companies such as Honeywell, ADI, and Northrop Grumman. Advances in technology have led to continued performance improvements, reduced power consumption, and increased functionality, enabling MEMS inertial sensors to detect signals more accurately and meet the needs of complex applications.
As the world's largest electronics production base, China has a huge demand for MEMS sensors. With the rapid development of downstream industries such as consumer electronics and automotive electronics, the market demand for MEMS inertial sensors continues to grow. Especially in the fields of smart home and smart wearable devices, inertial sensors such as MEMS accelerometers show broad application prospects.
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