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Comparison of Magnetocardiograms Measured Using Different SQUID Pickup Coil Configuration.
- Source :
- IEEE Transactions on Applied Superconductivity; Jun2007 Part 1 of 3, Vol. 17 Issue 2, p835-838, 4p
- Publication Year :
- 2007
-
Abstract
- We fabricated multichannel magnetocardiogram (MCG) systems of! magnetometer type and 2 planar gradiometer types, and compared the MCG data measured using different pickup coil systems. The magnetometer type is a 61-channel magnetometer system measuring vertical component of MCG fields. The magnetometers were integrated magnetometer structure with the pickup coil and SQUID fabricated on the same wafer. The two planar gradiometer systems are 64-channel planar gradiometer systems of first-order with a baseline of 4 cm, and of second-order with a baseline of 5 cm. The planar gradiometer systems are measuring field components tangential to the chest surface. The MCG waveforms and field distributions were measured on the same subject using the 3 MCG systems of different pickup coil types. The measured field distributions and waveforms were transformed into data of other pickup coil types, and the comparison between the measured and transformed results were done. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10518223
- Volume :
- 17
- Issue :
- 2
- Database :
- Complementary Index
- Journal :
- IEEE Transactions on Applied Superconductivity
- Publication Type :
- Academic Journal
- Accession number :
- 26240358
- Full Text :
- https://doi.org/10.1109/TASC.2007.898600