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superconducting quantum interference device (SQUID)

SQUID is the abbreviation for Superconducting Quantum Interference

Device. These units are based on quantum interference, which occurs in superconductivity. SQUID is a highly sensitive magnetic field sensor

that can measure magnetic flux densities in the range of quadrillionths of aTesla

(T), equivalent to 10exp-15. Thesensitivity of SQUID sensors is several orders of magnitude higher than that of AMR or GMR sensors

. SQUID sensors are used in medicine to measure brain waves and in magnetic resonance imaging.

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Englisch: superconducting quantum interference device - SQUID
Updated at: 27.07.2015
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