Applications of SV-GMR sensor for detecting micro non-magnetic and ferromagnetic material
by T. Somsak, K. Chomsuwan, S. Yamada, M. Iwahara
International Journal of Intelligent Systems Technologies and Applications (IJISTA), Vol. 3, No. 1/2, 2007

Abstract: This paper describes the application of recognition of micro non-magnetic (conductive) and ferromagnetic materials (Fe) using a Spin-Valve Giant Magneto-Resistance (SV-GMR) as a sensor. High frequency and static magnetic fields were applied to the specimens. The proposed Eddy Current Testing (ECT) probe with a SV-GMR sensor was used to detect the magnetic field variation from the specimens. Experiments were performed to detect both non-magnetic single and array (PbSn, 125 μm radius) using the SVGMR sensor. The analytical results are agreed with the experimental results. Furthermore, the experimental results of magnetic particles (Fe, size of 20–60 μm) were also successfully detected.

Online publication date: Fri, 22-Jun-2007

The full text of this article is only available to individual subscribers or to users at subscribing institutions.

 
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.

Pay per view:
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.

Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Intelligent Systems Technologies and Applications (IJISTA):
Login with your Inderscience username and password:

Username:        Password:          Forgotten your password?

Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.

If you still need assistance, please email subs@inderscience.com