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GMW Associates, Inc. | ||||||
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955 Industrial Road, San Carlos, CA 94070, USA | ||||||||||||
The
Metrolab MFC 3045 Magnetic Field Camera, utilizes
a proton NMR sensor Array to simultaneously measure up
to 32 field points with better than 5ppm absolute accuracy
and 0.1ppm relative accuracy in 0.5 to 2 seconds. Leading
MRI 
Magnet
and System manufactures have adopted the MFC 3045 to provide
a ten times improvement in mapping resolution and a ten
times reduction in aqusition period. For example, by using
a semicircular Array with 32 field points rotated about
the field axis in 32 angular steps, a 1024 point spherical
map can be generated in about two minutes. The very high
resolution and stability of the MFC also enable measurement
of magnet stability and noise effects. 