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Proceedings Paper

Four-channel YBa2Cu3O7-y dc-SQUID magnetometer for biomagnetic measurements
Author(s): Saburo Tanaka; Hideo Itozaki; Haruhisa Toyoda; Naohiko Harada; Akira Adachi; Kenichi Okajima; Tatsuoki Nagaishi; Hisashi Kado
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Paper Abstract

A 4-channel YBa2Cu3O7-y (YBCO) thin film dc-SQUID magnetometer was fabricated. Biomagnetic measurements were performed by using the 4 channel SQUID array at 77$KAPPA in a magnetically shielded room. We have successfully measured 4 channel magnetocardiac signals clearly in real time mode. The best magnetic field resolution of the four SQUIDs was 370fT/Hz1/2 at 10Hz and 200fT/Hz1/2 in the white noise region.

Paper Details

Date Published: 2 July 1994
PDF: 9 pages
Proc. SPIE 2160, Superconductive Devices and Circuits, (2 July 1994); doi: 10.1117/12.180996
Show Author Affiliations
Saburo Tanaka, Superconducting Sensor Lab. (Japan)
Hideo Itozaki, Superconducting Sensor Lab. (Japan)
Haruhisa Toyoda, Superconducting Sensor Lab. (Japan)
Naohiko Harada, Superconducting Sensor Lab. (Japan)
Akira Adachi, Superconducting Sensor Lab. (Japan)
Kenichi Okajima, Superconducting Sensor Lab. (Japan)
Tatsuoki Nagaishi, Sumitomo Electric Industries, Ltd. (Japan)
Hisashi Kado, Electrotechnical Lab. (Japan)

Published in SPIE Proceedings Vol. 2160:
Superconductive Devices and Circuits
Robert A. Buhrman; John T. Clarke; Ken Daly; Roger H. Koch; Jerome A. Luine; Randy W. Simon, Editor(s)

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