RF coil for magnetic resonance imaging having three separate non-overlapping coils electrically isolated from each other
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United States of America Patent
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Feb 19, 2002
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N/A
app pub date -
Jan 18, 2000
filing date -
Jan 18, 2000
priority date (Note) -
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Abstract
An RF coil which is a coil array using three pieces or more of coils, including three pieces of coils 1, 2 and 3 or more arrayed proximately to each other, coil intermediary connecting capacitors 4, 5 and 6 respectively interposed in the coils, parallel connection lines 10 through 13 for connecting the coil intermediary connecting capacitors 4, 5 and 6 in parallel and neutralizing capacitors 14 through 17 interposed in the parallel connection lines 10 through 13 with an object of dispensing with mutual interference among the coils without overlapping the adjacent coils, in which by transmitted voltage transmitted from both ends of the coil intermediary connecting capacitor (4) of the one coil (1)to both ends of the coil intermediary connecting capacitors (5, 6)of the other coils (2, 3)via the parallel connection lines (10 through 13)and the neutralizing capacitors (14 through 17), induced voltage generated by the one coil (1) across the both ends of the coil intermediary connecting capacitors (5, 6)of the other coils (2, 3) via mutual inductance, is canceled, an MRI apparatus as well as an NMR signal receiving method using the RF coil.
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