If a worker wants to do something good, he must first sharpen his tools. In today’s globalized world, patents are not only a means of protecting innovation but have also evolved into a powerful tool in the commercial battlefield. Mames Consulting has developed a patent operation platform tailored for MEMS, sensors, and IoT technologies. By integrating intellectual property resources across the entire industry chain, the company actively promotes the protection and effective utilization of intellectual property. Magnetic sensors, one of the most common types of sensors, are widely used in aerospace, geological exploration, consumer electronics, and automotive industries. According to data from Mames Consulting, the global magnetic sensor market was valued at $1.64 billion in 2016 and is expected to grow at an annual rate of 8% over the next few years, reaching approximately $2.6 billion by 2022. Magnetic Sensor Market Forecast from 2016 to 2022 Currently, the main magnetic sensing technologies are based on different working principles, including Hall effect, AMR (Anisotropic Magnetoresistive), GMR (Giant Magnetoresistive), TMR (Tunnel Magnetoresistive), fluxgate, magnetic induction, and superconducting quantum interference devices (SQUID). Each technology has its own advantages and limitations, making them suitable for different applications depending on the required sensitivity, power consumption, and environmental conditions. Among these technologies, SQUIDs are currently the most sensitive magnetic sensors, capable of detecting magnetic fields as small as a few femtoteslas (fT). They are typically used for measuring weak biological neuromagnetic signals, which are usually in the range of picoteslas (pT) or lower. However, SQUIDs require cryogenic cooling, consume significant power, and are highly susceptible to electromagnetic interference, making them complex and expensive to implement. Hall sensors are cost-effective and reliable, often used for position and speed sensing, as well as voltage and current measurement. However, they suffer from zero offset and temperature sensitivity, requiring additional compensation circuits for accurate readings. Fluxgate sensors are ideal for detecting DC or low-frequency magnetic fields but are difficult to integrate due to their complex fabrication processes and high power consumption. AMR sensors offer higher sensitivity than traditional Hall sensors, making them suitable for weak magnetic field measurements. Unlike Hall sensors, which respond only to normal magnetic fields, AMR sensors can detect tangential fields, expanding their application scope. However, they are prone to saturation under strong magnetic fields and require complex reset procedures. GMR sensors provide similar sensitivity to AMR sensors but are more affected by temperature changes. Additionally, they can be permanently damaged by strong magnetic fields (around 1 Tesla). To meet the growing demand for miniaturization, low cost, low power consumption, and high sensitivity, researchers have been exploring MEMS-based magnetic field sensors in recent years. MEMS magnetic sensors typically operate based on the Lorentz force principle. A torsional resonant structure is fabricated, and a current-carrying coil is placed on it. When an external magnetic field is present, the Lorentz force excites the resonator, and the displacement is measured using optical, capacitive, or piezoresistive methods. While MEMS sensors offer advantages like compact size and low cost, increasing the current to boost sensitivity leads to higher power consumption and thermal instability. Moreover, nonlinearity becomes a concern at larger displacements. The invention introduces a torsional micro-mechanical magnetic field sensor and its preparation method, addressing the issues of high power consumption and poor linearity in existing MEMS-based sensors. This new design uses electrostatic driving, significantly reducing power consumption and eliminating temperature-related stability issues. Furthermore, the sensor exhibits excellent linearity across a wide range of magnetic field measurements, making it a promising solution for future applications in various industries. Radiators in this case are manufactured with Stainless steel (SS304, SS316 and SS316L). Stainless Steel Radiator,Stainless Steel Transformer Radiator,Stainless Steel Cooling Radiator,Stainless Steel Weather Proof Radiator Shenyang Tiantong Electricity Co., Ltd. , https://www.ttradiator.com
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