Method and apparatus for stabilizing uniformity of static magnetic field in magnetic resonance imaging apparatus
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United States of America Patent
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Oct 13, 1992
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N/A
app pub date -
Feb 5, 1991
filing date -
Feb 9, 1990
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Abstract
Method and apparatus of stabilizing uniformity of a static magnetic field in a magnetic resonance imaging apparatus, wherein before adjustment of uniformity of the static magnetic field and before each actual imaging operation, pulse-like gradient magnetic fields are applied to a static magnetic field generating magnetic circuit at a maximum output level of power supplies for generation of gradient magnetic fields so as to magnetize the static magnetic field generating magnetic circuit to constant magnetization intensity.
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