Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Reexamination Certificate
2007-03-26
2008-08-19
Shrivastav, Brij B (Department: 2831)
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
C324S309000
Reexamination Certificate
active
07414401
ABSTRACT:
A system for providing shielded dynamic shimming in a magnet assembly of a magnetic resonance imaging (MRI) scanner includes a main shim coil set located at a first radius in a gradient coil assembly of the magnet assembly. The system also includes a dynamic shim insert located at a second radius in the magnet assembly. The second radius is less than the first radius and is less than a radius of an RF coil in the magnet assembly. The main shim coil set may be operated as a shielding shim coil set for the dynamic shim insert.
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General Electric Company
Shrivastav Brij B
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