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METHOD FOR ADJUSTING STATIC MAGNETIC FIELD HOMOGENEITY, STATIC MAGNETIC FIELD GENERATION DEVICE FOR MAGNETIC RESONANCE IMAGING, MAGNETIC FIELD ADJUSTMENT SYSTEM, AND PROGRAM

  • US 20140009152A1
  • Filed: 03/15/2012
  • Published: 01/09/2014
  • Est. Priority Date: 03/25/2011
  • Status: Active Grant
First Claim
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1. A method for adjusting the homogeneity of a static magnetic field generated by static magnetic field generation unit in a measurement space by placing magnetic field correction unit that generates a corrected magnetic field, including:

  • measuring a static magnetic field generated by the static magnetic field generation unit;

    expanding the spatial distribution of the measured static magnetic field in a series;

    first magnetic field adjustment for correcting the irregular magnetic field components of high-order terms from among the irregular magnetic field components that are expended in a series; and

    second magnetic field adjustment for adjusting the irregular magnetic field components of low orders, to be executed after the first magnetic field adjustment.

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