Magnetic Resonance Imaging (MRI)

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Superconductors in NMR Imaging :
Superconducting magnets find application in magnetic resonance imaging (MRI) of the human body. Besides requiring strong magnetic fields on the order of a Tesla, magnetic resonance imaging requires extremely uniform fields across the subject and extreme stability over time. Maintaining the magnet coils in the superconducting state helps to achieve parts-per-million spacial uniformity over a space large enough to hold a person, and ppm/hour stability with time.

http://hyperphysics.phy-astr.gsu.edu/hbase/solids/scmag.html

 

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