A 19-channel d.c. SQUID magnetometer system for brain research

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Flokstra, J. and Brake, H.J.M. ter and Houwman, E.P. and Veldhuis, D. and Jaszczuk, W. and Caspari, M. and Rogalla, H. and Martinez, A. and Rillo, C. (1991) A 19-channel d.c. SQUID magnetometer system for brain research. Sensors and Actuators A: Physical, 27 (1-3). pp. 781-785. ISSN 0924-4247

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Abstract:A 19-channel d.c. SQUID magnetometer system for neuromagnetic investigations is under constuction. The first-order gradiometers for sensing the signal are placed in a hexagonal configuration. D.c. SQUIDs based on niobium/aluminium technology have been developed, leading to a field sensitivity of about 5 fT/ Hz. SQUID read-out is realized with a resonant transformer circuit at 100 kHz. The multichannel control and detection electronics are compactly built.
Item Type:Article
Copyright:© 1991 Elsevier
Faculty:
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/72994
Official URL:http://dx.doi.org/10.1016/0924-4247(91)87087-J
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Metis ID: 129146