Applying high-Tc superconducting quantum interference devices with a room-temperature pickup coil in the measurement of impedance magnetocardiograms

A. Kandori; A. Tsukamoto; D. Suzuki; K. Ogata; Y. Soutome; T. Miyashita; Y. Seki; K. Yokosawa; K. Tsukada; K. Takagi

doi:10.1109/TASC.2003.813866

Applying high-T_c superconducting quantum interference devices with a room-temperature pickup coil in the measurement of impedance magnetocardiograms

A. Kandori, A. Tsukamoto, D. Suzuki, K. Ogata, Y. Soutome, T. Miyashita, Y. Seki, K. Yokosawa, K. Tsukada, K. Takagi

Research output: Contribution to journal › Conference article › peer-review

11 Citations (Scopus)

Abstract

A high-T_C superconducting quantum interference device (SQUID) magnetometer - in which a room-temperature pickup coil is used to detect an impedance magnetocardiogram (I-MCG) signal - has been developed. The pickup coil (30-mm diameter) is installed outside the cryostat and is connected to the input coil of the high-T_C SQUID. The magnetometer's noise level is 150 fT Hz^-1/2 (> 10 kHz). The magnetometer was used to measure I-MCG signals (about 12 pT), which were obtained by applying an ac current (15 kHz) of constant amplitude (7 mA, peak-to-peak) to a healthy male subject.

Original language	English
Pages (from-to)	393-396
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	13
Issue number	2 I
DOIs	https://doi.org/10.1109/TASC.2003.813866
Publication status	Published - Jun 2003
Externally published	Yes
Event	2002 Applied Superconductivity Conference - Houston, TX, United States Duration: Aug 4 2002 → Aug 9 2002

Keywords

High-T SQUID
Impedance-magnetocardiogram
Magnetocardiogram
Magnetometer

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1109/TASC.2003.813866

Cite this

Kandori, A., Tsukamoto, A., Suzuki, D., Ogata, K., Soutome, Y., Miyashita, T., Seki, Y., Yokosawa, K., Tsukada, K., & Takagi, K. (2003). Applying high-T_c superconducting quantum interference devices with a room-temperature pickup coil in the measurement of impedance magnetocardiograms. IEEE Transactions on Applied Superconductivity, 13(2 I), 393-396. https://doi.org/10.1109/TASC.2003.813866

Kandori, A, Tsukamoto, A, Suzuki, D, Ogata, K, Soutome, Y, Miyashita, T, Seki, Y, Yokosawa, K, Tsukada, K & Takagi, K 2003, 'Applying high-T_c superconducting quantum interference devices with a room-temperature pickup coil in the measurement of impedance magnetocardiograms', IEEE Transactions on Applied Superconductivity, vol. 13, no. 2 I, pp. 393-396. https://doi.org/10.1109/TASC.2003.813866

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abstract = "A high-TC superconducting quantum interference device (SQUID) magnetometer - in which a room-temperature pickup coil is used to detect an impedance magnetocardiogram (I-MCG) signal - has been developed. The pickup coil (30-mm diameter) is installed outside the cryostat and is connected to the input coil of the high-TC SQUID. The magnetometer's noise level is 150 fT Hz-1/2 (> 10 kHz). The magnetometer was used to measure I-MCG signals (about 12 pT), which were obtained by applying an ac current (15 kHz) of constant amplitude (7 mA, peak-to-peak) to a healthy male subject.",

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note = "Funding Information: Manuscript received August 6, 2002. This work was supported in part by the New Energy and Industrial Technology Development Organization (NEDO) under Grant 0711008. A. Kandori, D. Suzuki, K. Ogata, T. Miyashita, Y. Seki, K. Yokosawa, and K. Tsukada are with the Central Research Laboratory, Hitachi, Ltd., Kokubunji, Tokyo 185-8601, Japan (e-mail: kandori@crl.hitachi.co.jp). A. Tsukamoto, Y. Soutome and K. Takagi are with the Advanced Research Laboratory, Hitachi, Ltd., Kokubunji, Tokyo 185-8601, Japan. Digital Object Identifier 10.1109/TASC.2003.813866; 2002 Applied Superconductivity Conference ; Conference date: 04-08-2002 Through 09-08-2002",

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AU - Seki, Y.

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AU - Tsukada, K.

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N2 - A high-TC superconducting quantum interference device (SQUID) magnetometer - in which a room-temperature pickup coil is used to detect an impedance magnetocardiogram (I-MCG) signal - has been developed. The pickup coil (30-mm diameter) is installed outside the cryostat and is connected to the input coil of the high-TC SQUID. The magnetometer's noise level is 150 fT Hz-1/2 (> 10 kHz). The magnetometer was used to measure I-MCG signals (about 12 pT), which were obtained by applying an ac current (15 kHz) of constant amplitude (7 mA, peak-to-peak) to a healthy male subject.

AB - A high-TC superconducting quantum interference device (SQUID) magnetometer - in which a room-temperature pickup coil is used to detect an impedance magnetocardiogram (I-MCG) signal - has been developed. The pickup coil (30-mm diameter) is installed outside the cryostat and is connected to the input coil of the high-TC SQUID. The magnetometer's noise level is 150 fT Hz-1/2 (> 10 kHz). The magnetometer was used to measure I-MCG signals (about 12 pT), which were obtained by applying an ac current (15 kHz) of constant amplitude (7 mA, peak-to-peak) to a healthy male subject.

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