High-spatial resolution giant magnetoresistive Sensors - Part I: Application in Non-Destructive evaluation

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Authors/Editors

KOMKRIT CHOMSUWAN

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Publication Details

Author list: Chomsuwan K., Somsak T., Gooneratne C.P., Yamada S.

Publisher: Springer International Publishing

Publication year: 2013

Volume number: 6

Start page: 211

End page: 241

Number of pages: 31

ISSN: 2194-8402

eISSN: 2194-8402

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84988508309&doi=10.1007%2f978-3-642-37172-1_9&partnerID=40&md5=e1d71a2bc0045d6efa74bb58a7cebf26

Languages: English-Great Britain (EN-GB)

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Abstract

In this chapter, we report the utilization of spin-valve type giant magnetoresistance (GMR) sensors in non-destructive evaluation (NDE). The NDE application is the inspection of high-density printed circuit boards (PCBs) based on the eddy-current testing (ECT) technique. An ECT probe with a GMR sensor is presented for the inspection of high-density double-layer PCB models. The utilization of a GMR sensor as a magnetic sensor showed that PCB inspection could be performed with high-spatial resolution and sensitivity, over a large frequency range. ฉ Springer-Verlag Berlin Heidelberg 2013.

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