Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1991-07-15
1993-02-23
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
G01R 3320
Patent
active
051893720
ABSTRACT:
A silencer for a plurality of magnetic field gradient coils in a magnetic resonance imaging apparatus, comprising a magnet for generating a stationary magnetic field, a bobbin which holds the plurality of inclined magnetic field gradient coils disposed within the magnet for generating in the stationary magnetic field gradients to impart positional information to a magnetic resonance signal, and a silencer provided between an internal space between the magnet and the bobbin and a space outside the magnet for reducing the diffusion of noise occurring due to an electric current flowing through the plurality of magnetic field gradient coils to the external space through the internal space.
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Igarashi Yoshiki
Miyajima Goh
Hitachi , Ltd.
Tokar Michael J.
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