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Sensors based on giant planar hall effect in dilute magnetic semiconductors

机译:稀磁半导体中基于巨型平面霍尔效应的传感器

摘要

Ferromagnetic semiconductor-based sensor devices, including sensors for detecting pressure changes and sensors for detecting magnetic fields, such as switching events in a magnetic recording medium. The pressure sensors of the present invention detect pressure changes using magnetoresistive measurement techniques, and in particular GPHE techniques. Magnetic field detection sensors such as magnetic switching detection sensors include ferromagnetic semiconductor-based materials that provide enhanced sensitivity relative to known materials and techniques. Such magnetic switching detection sensors according to the present invention are particularly useful as a read head sensor for HDD and other magnetic storage technologies.
机译:基于铁磁半导体的传感器设备,包括用于检测压力变化的传感器和用于检测磁场(例如磁记录介质中的开关事件)的传感器。本发明的压力传感器使用磁阻测量技术,特别是GPHE技术来检测压力变化。诸如磁开关检测传感器之类的磁场检测传感器包括基于铁磁半导体的材料,该材料相对于已知材料和技术提供增强的灵敏度。根据本发明的这种磁性开关检测传感器特别用作HDD和其他磁性存储技术的读头传感器。

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