JPS6031070A - 核磁気共鳴を用いた検査装置 - Google Patents

核磁気共鳴を用いた検査装置

Info

Publication number
JPS6031070A
JPS6031070A JP58139427A JP13942783A JPS6031070A JP S6031070 A JPS6031070 A JP S6031070A JP 58139427 A JP58139427 A JP 58139427A JP 13942783 A JP13942783 A JP 13942783A JP S6031070 A JPS6031070 A JP S6031070A
Authority
JP
Japan
Prior art keywords
magnetic field
coils
coil
inductance
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP58139427A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0454450B2 (enrdf_load_stackoverflow
Inventor
Etsuji Yamamoto
山本　悦治
Masao Kuroda
正夫 黒田
Shigeru Matsui
茂 松井
Hideki Kono
秀樹 河野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP58139427A priority Critical patent/JPS6031070A/ja
Publication of JPS6031070A publication Critical patent/JPS6031070A/ja
Publication of JPH0454450B2 publication Critical patent/JPH0454450B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34069—Saddle coils
    • 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
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56518—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to eddy currents, e.g. caused by switching of the gradient magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP58139427A 1983-08-01 1983-08-01 核磁気共鳴を用いた検査装置 Granted JPS6031070A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58139427A JPS6031070A (ja) 1983-08-01 1983-08-01 核磁気共鳴を用いた検査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58139427A JPS6031070A (ja) 1983-08-01 1983-08-01 核磁気共鳴を用いた検査装置

Publications (2)

Publication Number Publication Date
JPS6031070A true JPS6031070A (ja) 1985-02-16
JPH0454450B2 JPH0454450B2 (enrdf_load_stackoverflow) 1992-08-31

Family

ID=15244939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58139427A Granted JPS6031070A (ja) 1983-08-01 1983-08-01 核磁気共鳴を用いた検査装置

Country Status (1)

Country Link
JP (1) JPS6031070A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60150738A (ja) * 1983-11-14 1985-08-08 ゼネラル・エレクトリツク・カンパニイ Ｎｍｒ用ｒｆコイル
US4707662A (en) * 1984-07-30 1987-11-17 U.S. Philips Corporation MR-apparatus having a transmission-measuring coil for high frequencies
WO2004061468A1 (en) * 2002-12-17 2004-07-22 Varian, Inc. Radio frequency nmr resonator with split axial shields
JP2008020398A (ja) * 2006-07-14 2008-01-31 Hitachi Ltd Ｎｍｒ信号検出装置および核磁気共鳴分析装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838846A (ja) * 1981-08-12 1983-03-07 シ−メンス・アクチエンゲゼルシヤフト 高周波磁場発生磁石系
JPS5839939A (ja) * 1981-08-24 1983-03-08 シ−メンス・アクチエンゲゼルシヤフト 核スピン共鳴装置用の高周波発生又は受信装置
JPS5999239A (ja) * 1982-10-12 1984-06-07 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 核磁気共鳴トモグラフイ−装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838846A (ja) * 1981-08-12 1983-03-07 シ−メンス・アクチエンゲゼルシヤフト 高周波磁場発生磁石系
JPS5839939A (ja) * 1981-08-24 1983-03-08 シ−メンス・アクチエンゲゼルシヤフト 核スピン共鳴装置用の高周波発生又は受信装置
JPS5999239A (ja) * 1982-10-12 1984-06-07 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 核磁気共鳴トモグラフイ−装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60150738A (ja) * 1983-11-14 1985-08-08 ゼネラル・エレクトリツク・カンパニイ Ｎｍｒ用ｒｆコイル
US4707662A (en) * 1984-07-30 1987-11-17 U.S. Philips Corporation MR-apparatus having a transmission-measuring coil for high frequencies
WO2004061468A1 (en) * 2002-12-17 2004-07-22 Varian, Inc. Radio frequency nmr resonator with split axial shields
JP2008020398A (ja) * 2006-07-14 2008-01-31 Hitachi Ltd Ｎｍｒ信号検出装置および核磁気共鳴分析装置

Also Published As

Publication number Publication date
JPH0454450B2 (enrdf_load_stackoverflow) 1992-08-31

Similar Documents

Publication Publication Date Title
CN101315416B (zh) 磁场线圈以及磁共振摄像装置
US7091721B2 (en) Phased array local coil for MRI imaging having non-overlapping regions of sensitivity
CN100539942C (zh) 利用磁共振的检查装置及核磁共振信号接收用线圈
US4680548A (en) Radio frequency field coil for NMR
US20060033497A1 (en) Degenerate birdcage coil and transmit/receive apparatus and method for same
EP0177855B1 (en) Radio frequency field coil for nmr
US20200292643A1 (en) Minimizing coupling in multi-row cylindrical-shaped magnetic resonance imaging (mri) radio frequency (rf) coil
US10859647B2 (en) Magnetic resonance imaging (MRI) transmit (Tx)/ receive (Rx) coil using the same array coil
US10942233B2 (en) Multi-turn magnetic resonance imaging (MRI) array coil with ring decoupling for improved coil isolation
WO2021097940A1 (zh) 多通道射频线圈装置及核磁共振成像系统
US20040021465A1 (en) Non-coupling magnetic sheilding coil
US4767993A (en) Coil system for magnetic resonance imaging
CN211878152U (zh) 多通道射频线圈装置及核磁共振成像系统
JPS6031070A (ja) 核磁気共鳴を用いた検査装置
Claasen‐Vujčič et al. Transverse low‐field RF coils in MRI
JPS62207446A (ja) 核磁気共鳴を用いた検査装置
US11269031B2 (en) Magnetic resonance imaging (MRI) radio frequency (RF) coil tuning, matching, decoupling, and balun circuit
US20050253581A1 (en) Open half volume quadrature transverse electromagnetic coil for high field magnetic resonance imaging
US20080111549A1 (en) Rf coil for mri apparatus, method of using rf coil for mri apparatus, and mri apparatus
JPH05261081A (ja) 核磁気共鳴を用いた検査装置
JP3549633B2 (ja) Ｍｒｉ用クォドラチャコイル
JPS59156332A (ja) 磁気共鳴イメージング装置
JP3504968B2 (ja) 核磁気共鳴イメージング用の局部コイル
JPS59122937A (ja) 磁気共鳴イメージング装置
Borsboom et al. Low-frequency quadrature mode birdcage resonator