Gradient coil for MRI apparatus using shielding coil disposed in a high winding density zone
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United States of America Patent
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-
Mar 26, 2002
Grant Date -
N/A
app pub date -
Apr 10, 2000
filing date -
Jun 18, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In order to reduce the electric current loss and the heat release in a shielding coil, partially shielding coils 1Zts and 1Zbs are employed having their windings positioned corresponding only to a high winding density zone 1Zp, rather than corresponding to the entire winding area, of main gradient coils 1Zt and 1Zb.
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