Summary
The instrumentation for biomagnetic applications is described. The small size and weight of the SQUID gradiometer permit easy transport and positioning of the instrument, thus making biomagnetic measurements possible in any noise-free location. The equipment is provided with a battery power supply, and, when filled with 60 cm3 of liquid helium, will operate continuously for 6 h. The device is suitable for magnetocardiography.
Riassunto
Si descrive la strumentazione per le applicazioni biomagnetiche. Le piccole dimensioni e la leggerezza del gradiometro SQUID permettono il facile trasporto e posizionamento dello strumento, rendendo cosí possibile le misurazioni biomagnetiche in una qualsiasi locazione in cui non ci siano rumori. L’apparecchio è provvisto di un alimentatore a batteria e, se riempito con 60 cm3 di elio liquido, funzionerà initerrottamente per 6 ore. L’apparecchio è adatto per la magnetocardiografia.
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References
Biomagnetism, Proceedings of the Third International Workshop on Biomagnetism, edited byS. N. Erné, H.-D. Hahlbohm andH. Lübbig (Berlin and New York, N. Y., 1981).
V. L. Vvedensky andV. I. Ozhogin:Supersensitive magnetometry and biomagnetism, Kurchatov Institute of Atomic Energy (Moscow, 1981), in Russian.
J. E. Zimmerman, P. Tiene andJ. T. Harding:J. Appl. Phys.,41, 1572 (1970).
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Vvedensky, V.L., Naurzakov, S.P., Ozhogin, V.I. et al. A portable biomagnetic measuring system. Il Nuovo Cimento D 2, 224–230 (1983). https://doi.org/10.1007/BF02455926
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DOI: https://doi.org/10.1007/BF02455926