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  • Title: A compact permanent magnet array with a remote homogeneous field.
    Author: Marble AE, Mastikhin IV, Colpitts BG, Balcom BJ.
    Journal: J Magn Reson; 2007 May; 186(1):100-4. PubMed ID: 17317247.
    Abstract:
    We present the design and construction of a single sided magnet array generating a homogeneous field in a remote volume. The compact array measures 11.5 cm by 10 cm by 6 cm and weights approximately 5 kg. It produces a B(0) field with a 'sweet spot' at a point 1cm above its surface, where its first and second spatial derivatives are approximately zero. Unlike other sweet spot magnets of this general type, our array has B(0) oriented parallel to its surface. This allows an ordinary surface coil to be used for unilateral measurements, giving the potential for dramatic SNR improvement.
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