Method and apparatus for field drift compensation of a...

Details Method and apparatus for field drift compensation of a... Method and apparatus for field drift compensation of a...

2006-06-20

2006-06-20

Shrivastav, Brij B. (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

C324S318000

Reexamination Certificate

active

07064550

ABSTRACT:
A method and apparatus for magnetic field drift compensation for a superconducting magnet system includes electrically coupling a micro-flux injection system to a secondary B0superconducting coil in a secondary compensation circuit; magnetically coupling the secondary compensation circuit to the superconducting magnet via the secondary B0superconducting coil; switching the micro-flux injection system on and off either thermally or magnetically to induce a first current from a flux coil of the secondary compensation circuit into the secondary B0superconducting coil producing a secondary field to compensate magnet field drift of the superconducting magnet.

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Jeong et al., “Superconducting Micro Flux Pump Using a Crytron-Like Switch;” IEEE Transactions of Applied Superconductiivity, vol. 13, No. 2, Jun. 2002, pp. 1558-1562.

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