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タイトル: Eddy-current testing probe with spin-valve type GMR sensor for printed circuit board inspection
著者: Yamada, Sotoshi link image
Chomsuwan, K.
Fukuda, Y.
Iwahara, Masayoshi link image
Wakiwaka, H.
Shoji, S.
山田, 外史
岩原, 正吉
発行日: 2004年 7月
出版社(者): IEEE
雑誌名: IEEE Transactions on Magnetics
ISSN: 0018-9464
巻: 40
号: 4 II
開始ページ: 2676
終了ページ: 2678
キーワード: Eddy-current testing (ECT)
Printed circuit board inspection
Signal-to-noise ratio
Spin-valve giant magnetoresistance (SV-GMR)
抄録: This paper proposes an eddy-current testing (ECT) probe composed of a spin-valve giant magnetoresistance (SV-GMR) sensor and a meander coil for the inspection of bare printed circuit board. The SV-GMR sensor serves as a magnetic sensor for the ECT probe to sense the variation of the magnetic field distribution occurred on the printed circuit board. The SV-GMR sensor is used specifically to detect the changing magnetic field distribution occurred at the defect point. The characteristics of the proposed probe are discussed in this paper. The comparisons of signal-to-noise ratios obtained from ECT probe with SV-GMR sensor and with solenoid coil verify that the applying of SV-GMR sensor to the ECT probe can improve the PCB inspection results.
DOI: 10.1109/TMAG.2004.829254
URI: http://hdl.handle.net/2297/6902
関連URI: http://dx.doi.org/10.1109/TMAG.2004.829254
資料種別: Journal Article
権利関係: © IEEE 2004
版表示: publisher
出現コレクション:1. 査読済論文

このアイテムを引用あるいはリンクする場合は次の識別子を使用してください。 http://hdl.handle.net/2297/6902



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