Micro Magnetic Field Sensors Manufactured Using a Standard 0.18-μm CMOS Process

作者: Yen-Nan Lin , Ching-Liang Dai

DOI: 10.3390/MI9080393

关键词: BiasingFabricationSense (electronics)Common emitterSensitivity (electronics)Hall effectCMOSMaterials scienceMagnetic fieldOptoelectronics

摘要: Micro magnetic field (MMF) sensors developed employing complementary metal oxide semiconductor (CMOS) technology are investigated. The MMF sensors, which a three-axis sensing type, include magnetotransistor and four Hall elements. is utilized to detect the (MF) in x-axis y-axis, elements used sense MF z-axis. In addition emitter, bases collectors, additional collectors added magnetotransistor. enhance bias current carrier number, so that sensor sensitivity enlarged. fabrication easy because it does not require post-CMOS processing. Experiments depict 0.69 V/T its 0.55 y-axis MF.

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