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, Keiji Tsukada, K. Takagi

Research output: Contribution to journalArticle

11 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)393-396
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume13
Issue number2 I
DOIs
Publication statusPublished - Jun 2003
Externally publishedYes

Fingerprint

Pickups
SQUIDs
Magnetometers
magnetometers
coils
impedance
interference
sensors
room temperature
Cryostats
cryostats
Temperature

Keywords

  • High-T SQUID
  • Impedance-magnetocardiogram
  • Magnetocardiogram
  • Magnetometer

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Physics and Astronomy (miscellaneous)

Cite this

Applying high-Tc superconducting quantum interference devices with a room-temperature pickup coil in the measurement of impedance magnetocardiograms. / Kandori, A.; Tsukamoto, A.; Suzuki, D.; Ogata, K.; Soutome, Y.; Miyashita, T.; Seki, Y.; Yokosawa, K.; Tsukada, Keiji; Takagi, K.

In: IEEE Transactions on Applied Superconductivity, Vol. 13, No. 2 I, 06.2003, p. 393-396.

Research output: Contribution to journalArticle

Kandori, A. ; Tsukamoto, A. ; Suzuki, D. ; Ogata, K. ; Soutome, Y. ; Miyashita, T. ; Seki, Y. ; Yokosawa, K. ; Tsukada, Keiji ; Takagi, K. / Applying high-Tc superconducting quantum interference devices with a room-temperature pickup coil in the measurement of impedance magnetocardiograms. In: IEEE Transactions on Applied Superconductivity. 2003 ; Vol. 13, No. 2 I. pp. 393-396.
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