KR20190062491A - 무선 주파수 코일 동조 방법 및 장치 - Google Patents

무선 주파수 코일 동조 방법 및 장치 Download PDF

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Publication number
KR20190062491A
KR20190062491A KR1020197012380A KR20197012380A KR20190062491A KR 20190062491 A KR20190062491 A KR 20190062491A KR 1020197012380 A KR1020197012380 A KR 1020197012380A KR 20197012380 A KR20197012380 A KR 20197012380A KR 20190062491 A KR20190062491 A KR 20190062491A
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South Korea
Prior art keywords
tuning
coil
radio frequency
frequency
frequency coil
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Ceased
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Korean (ko)
Inventor
토드 리릭
제레미 크리스토퍼 조단
그레고리 엘. 샤르밧
매튜 스콧 로젠
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하이퍼파인 리서치, 인크.
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3628—Tuning/matching of the transmit/receive coil
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/445—MR involving a non-standard magnetic field B0, e.g. of low magnitude as in the earth's magnetic field or in nanoTesla spectroscopy, comprising a polarizing magnetic field for pre-polarisation, B0 with a temporal variation of its magnitude or direction such as field cycling of B0 or rotation of the direction of B0, or spatially inhomogeneous B0 like in fringe-field MR or in stray-field imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
    • G01R33/583—Calibration of signal excitation or detection systems, e.g. for optimal RF excitation power or frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
KR1020197012380A 2016-09-29 2017-09-29 무선 주파수 코일 동조 방법 및 장치 Ceased KR20190062491A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662401657P 2016-09-29 2016-09-29
US62/401,657 2016-09-29
PCT/US2017/054316 WO2018064485A1 (en) 2016-09-29 2017-09-29 Radio frequency coil tuning methods and apparatus

Publications (1)

Publication Number Publication Date
KR20190062491A true KR20190062491A (ko) 2019-06-05

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KR1020197012380A Ceased KR20190062491A (ko) 2016-09-29 2017-09-29 무선 주파수 코일 동조 방법 및 장치

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US (4) US10551452B2 (enExample)
EP (2) EP3519840B1 (enExample)
JP (1) JP7016864B2 (enExample)
KR (1) KR20190062491A (enExample)
CN (1) CN109791185B (enExample)
AU (1) AU2017335998A1 (enExample)
BR (1) BR112019001770A2 (enExample)
CA (1) CA3032391C (enExample)
IL (1) IL264312A (enExample)
MX (1) MX2019003613A (enExample)
TW (2) TWI685668B (enExample)
WO (1) WO2018064485A1 (enExample)

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