Magnetoencephalography Using High Temperature rf SQUIDs


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ZHANG, Yi, Yuri TAVRIN, Michael MÜCK-WEYMANN, Alex I. BRAGINSKI, Christoph HEIDEN, Sarah HAMPSON, Christo PANTEV, Thomas ELBERT, 1993. Magnetoencephalography Using High Temperature rf SQUIDs. In: Brain Topography. 5(4), pp. 379-382

@article{Zhang1993Magne-10699, title={Magnetoencephalography Using High Temperature rf SQUIDs}, year={1993}, doi={10.1007/BF01128694}, number={4}, volume={5}, journal={Brain Topography}, pages={379--382}, author={Zhang, Yi and Tavrin, Yuri and Mück-Weymann, Michael and Braginski, Alex I. and Heiden, Christoph and Hampson, Sarah and Pantev, Christo and Elbert, Thomas} }

<rdf:RDF xmlns:rdf="" xmlns:bibo="" xmlns:dc="" xmlns:dcterms="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dcterms:issued>1993</dcterms:issued> <dc:rights>deposit-license</dc:rights> <dc:format>application/pdf</dc:format> <dc:creator>Zhang, Yi</dc:creator> <dc:contributor>Tavrin, Yuri</dc:contributor> <dc:creator>Elbert, Thomas</dc:creator> <dc:contributor>Pantev, Christo</dc:contributor> <dc:creator>Hampson, Sarah</dc:creator> <dc:date rdf:datatype="">2011-03-25T09:21:09Z</dc:date> <dcterms:title>Magnetoencephalography Using High Temperature rf SQUIDs</dcterms:title> <dc:contributor>Heiden, Christoph</dc:contributor> <dcterms:rights rdf:resource=""/> <dc:contributor>Braginski, Alex I.</dc:contributor> <dc:creator>Pantev, Christo</dc:creator> <dc:creator>Mück-Weymann, Michael</dc:creator> <dc:contributor>Mück-Weymann, Michael</dc:contributor> <dc:language>eng</dc:language> <dcterms:bibliographicCitation>First publ. in: Brain Topography 5 (1993), 4, pp. 379-382</dcterms:bibliographicCitation> <dcterms:available rdf:datatype="">2011-03-25T09:21:09Z</dcterms:available> <dc:contributor>Elbert, Thomas</dc:contributor> <dc:contributor>Zhang, Yi</dc:contributor> <dc:creator>Tavrin, Yuri</dc:creator> <dc:contributor>Hampson, Sarah</dc:contributor> <bibo:uri rdf:resource=""/> <dc:creator>Heiden, Christoph</dc:creator> <dcterms:abstract xml:lang="eng">We have developed high-critical-temperature radio-frequency Super conducting QUantum Interference Devices (SQUIDs) with step-edge grain-boundary Josephson junctions and large flux focusers. These planar devices were fabricated from epitaxial YBa2Cu3O7 films and operated in the magnetometer and first-order gradiometer configurations while immersed in liquid nitrogen. At the temperature of 77K, we have attained a magnetic field resolution for the magnetometer better than 200 fT/Hz1/2 down to less than 1 Hz, i.e., over the low signal frequency range important for medical diagnostics. The results to date show a high promise for biomagnetic diagnostics. For the first time, we recorded the evoked responses from human brains using a high-temperature magnetometer and a first-order electronic gradiometer channel simultaneously. These results were obtained in a magnetically shielded room. An improvement in the magnetic field resolution by another order of magnitude is possible and probable.</dcterms:abstract> <dc:creator>Braginski, Alex I.</dc:creator> </rdf:Description> </rdf:RDF>

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