Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1985-07-05
1987-11-17
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
324322, G01R 3320
Patent
active
047076623
ABSTRACT:
For increasing the sensitivity of an MR apparatus when measuring comparatively high frequencies, the radio frequency excitation measurement coil (10, 30) is divided into two individual symmetrically drivable and readable coil halves (32, 34), respectively. The mutual connection of central connections of the coil halves can be realized by means of a balun (54) but for this purpose any other symmetrical form of coupling, for example using a strip-line transformer (70) or suitably dimensioned coaxial cables (60, 62) may alternatively be used.
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Kalmijn Hilco T.
Kemner Rudolf
Van Heelsbergen Teunis R.
Mayer Robert T.
Oldham Scott M.
Tamoshunas Algy
Tokar Michael J.
U.S. Philips Corporation
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