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


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
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/72994
Official URL:https://doi.org/10.1016/0924-4247(91)87087-J
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Metis ID: 129146