SQUID detector with flux feedback coil sized and located to prod

Details SQUID detector with flux feedback coil sized and located to prod SQUID detector with flux feedback coil sized and located to prod

1994-09-15

1997-06-03

O'Shea, Sandra L.

Electricity: measuring and testing

Magnetic

Magnetometers

505846, 327527, G01R 33035

Patent

active

056358342

ABSTRACT:
A high temperature T.sub.c SQUID chip magnetometer has a flux-locked loop circuit including an independent feedback coil having an internal diameter greater than the maximum SQUID chip dimension. The feedback coil is mounted in close co-axial proximity to the SQUID chip to produce a substantially uniform feedback field over the entire area of the SQUID chip to cancel applied fields which penetrate the superconducting material.

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