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Superposition of Signal Components During Inspection of Printed Circuit Boards by an Eddy Current Testing Probe with a Solenoid Pick-up Coil
- フォーマット:
- 論文
- 責任表示:
- Kacprzak, D. ; Taniguchi, T. ; Nakamura, N. ; Yamada, Sotoshi ; Iwahara, Masayoshi
- 言語:
- 英語
- 出版情報:
- Institute of Electrical and Electronics Engineers IEEE, 2001-07-01
- 著者名:
- 掲載情報:
- IEEE Transactions on Maggetics
- ISSN:
- 0018-9464
- 巻:
- 37
- 通号:
- 4
- 開始ページ:
- 2794
- 終了ページ:
- 2796
- バージョン:
- publisher
- 概要:
- This paper presents a theory of the superposition of two signal components formed during the inspection of printed circuit board (PCB) by an eddy-current testing probe composed of a meander-exciting coil and a solenoid pick-up coil. Proportion of these two components effects the amplitude and the phase of the output signal. Characteristic changes of the phase characteristic, obtained from calculations and observed during the real inspection of PCB, are explained.
- URL:
- http://hdl.handle.net/2297/48309
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10
論文
Eddy-Current Testing Probe With Spin-Valve Type GMR Sensor for Printed Circuit Board Inspection
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