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Magnetic field measurements for Non Destructive Failure Analysis

机译:磁场测量,用于非破坏性失效分析

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摘要

We report preliminary results of magnetic field measurements obtained using commercial Magneto-Resistive elements. This technical choice among different types of sensors (SQUID, Fluxgate, GMI) is discussed. The magneto-resistive devices operate at room temperature and, therefore, can be located very close to the surface of packages. Though the present results are far away from micronic localisation of defective currents, the sensitivity of Magnetoresistance systems makes them a possible alternative to Squid ones.
机译:我们报告使用商业磁阻元件获得的磁场测量的初步结果。讨论了不同类型的传感器(SQUID,Fluxgate,GMI)之间的技术选择。磁阻装置在室温下工作,因此可以非常靠近封装的表面放置。尽管目前的结果与缺陷电流的微子定位相去甚远,但是磁阻系统的灵敏度使其可以替代鱿鱼系统。

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