SQUID magnetometers for biomagnetism and nondestructive testing: important questions and initial answers
作者： J.P. Wikswo
DOI: 10.1109/77.402511
关键词:
摘要: For two decades, academic and industrial researchers worldwide have used SQUID magnetometers to measure magnetic signals from the heart, brain, lungs, liver, nerves, skeletal muscle, stomach, intestines, eyes, other organs, invested heavily in developing promoting this technology. While there are as yet few accepted clinical applications of SQUIDs, various trends encouraging. The introduction SQUIDs nondestructive testing (NDT) aircraft structural systems materials is following a similar course: most effort directed towards instrumentation development demonstrations simple systems, instruments suitable for specific commercial just now being prototyped. To assess potential either technology, it useful ask critical questions: why we doing this, what learned so far, how easy it, does cost, might best utilize advances digital high-temperature superconductivity, can competing technologies provide? Answers such questions help identify those technological niches which uniquely suited, guide optimization that targeted particular NDT or biomagnetic measurements. >
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