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Conductive Microbead Detection by Helmholtz Coil Technique With SV-GMR Sensor
Kuala Lumpur, Malaysia January 17-January 19
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/DELTA.2006.25Third IEEE International Workshop on ...
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T. Somsak, K. Chomsuwan, S. Yamada, M. Iwahara, S.C. Mukhopadhyay, "Conductive Microbead Detection by Helmholtz Coil Technique With SV-GMR Sensor," Electronic Design, Test and Applications, IEEE International Workshop on, pp. 157-162, Third IEEE International Workshop on Electronic Design, Test and Applications (DELTA'06), 2006.
 
 
BibTex
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@article{ 10.1109/DELTA.2006.25,
author = {T. Somsak and K. Chomsuwan and S. Yamada and M. Iwahara and S.C. Mukhopadhyay},
title = {Conductive Microbead Detection by Helmholtz Coil Technique With SV-GMR Sensor},
journal ={Electronic Design, Test and Applications, IEEE International Workshop on},
volume = {0},
year = {2006},
isbn = {0-7695-2500-8},
pages = {157-162},
doi = {http://doi.ieeecomputersociety.org/10.1109/DELTA.2006.25},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - CONF
JO - Electronic Design, Test and Applications, IEEE International Workshop on
TI - Conductive Microbead Detection by Helmholtz Coil Technique With SV-GMR Sensor
SN - 0-7695-2500-8
SP157
EP162
A1 - T. Somsak,
A1 - K. Chomsuwan,
A1 - S. Yamada,
A1 - M. Iwahara,
A1 - S.C. Mukhopadhyay,
PY - 2006
KW - conductive microbead
KW - eddy-current testing
KW - spin-valve giant magnetoresistance
KW - Helmholtz coil.
VL - 0
JA - Electronic Design, Test and Applications, IEEE International Workshop on
ER -
 
T. Somsak, Kanazawa University, Japan
K. Chomsuwan, Kanazawa University, Japan
S. Yamada, Kanazawa University, Japan
M. Iwahara, Kanazawa University, Japan
S.C. Mukhopadhyay, Massey University, Palmertston North, New zealand
We present an eddy-current test (ECT) method for detecting conductive microbeads on a non-conductive substrate. A Helmholtz coil is used to generate an exciting magnetic field. The magnetic fields, generated by eddycurrents in a Pb-Sn microbead, are detected by a spinvalve giant magnetoresistive (SV-GMR) sensor. The experimental results are compared to an analytical solution for the magnetic field over the microbead. Early results for the detection of a grid of microbeads are also presented.
Index Terms:
conductive microbead, eddy-current testing, spin-valve giant magnetoresistance, Helmholtz coil.
Citation:
T. Somsak, K. Chomsuwan, S. Yamada, M. Iwahara, S.C. Mukhopadhyay, "Conductive Microbead Detection by Helmholtz Coil Technique With SV-GMR Sensor," delta, pp.157-162, Third IEEE International Workshop on Electronic Design, Test and Applications (DELTA'06), 2006
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