JP2008292246A - 核磁気共鳴信号用プローブ - Google Patents
核磁気共鳴信号用プローブ Download PDFInfo
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- JP2008292246A JP2008292246A JP2007136828A JP2007136828A JP2008292246A JP 2008292246 A JP2008292246 A JP 2008292246A JP 2007136828 A JP2007136828 A JP 2007136828A JP 2007136828 A JP2007136828 A JP 2007136828A JP 2008292246 A JP2008292246 A JP 2008292246A
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- coil
- bobbin
- magnetic resonance
- nuclear magnetic
- probe
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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
- G01R33/34—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
-
- 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
- G01R33/34053—Solenoid coils; Toroidal 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
- G01R33/56536—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to magnetic susceptibility variations
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
【解決手段】RFコイルを搭載し、このRFコイルをボビンに巻きつけた核磁気共鳴信号用プローブにおいて、RFコイルが接触していないボビン表面に、RFコイルと同極性の磁化率である物質を配置する。或いは、ボビン表面に溝を形成し、その溝にRFコイルを巻きつけるようにしたものにおいて、前記溝の深さとボビンの体積磁化率との積が、RFコイル巻き線における巻き線厚さと体積磁化率との積に対して、5%以内の誤差に納まるように、ボビンまたはRFコイル巻き線の体積磁化率を調整する。
【選択図】図5
Description
Claims (4)
- 核磁気共鳴信号測定における高周波送信、受信または送受信に用いられるRFコイルが搭載された核磁気共鳴信号用プローブであって、前記RFコイルのコイル巻き線間とコイル巻き線外側に前記RFコイルと同極性の磁化率である物質が配置されていることを特徴とする核磁気共鳴信号用プローブ。
- 前記RFコイルを巻きつけるボビンを有し、前記RFコイルが接していない前記ボビンの表面に前記RFコイルと同極性の磁化率である物質が配置されていることを特徴とする請求項1に記載の核磁気共鳴信号用プローブ。
- 前記RFコイルと同極性の磁化率である物質が絶縁体で作製されていることを特徴とする請求項1又は2に記載の核磁気共鳴信号用プローブ。
- 核磁気共鳴信号測定における高周波送信、受信または送受信に用いられるRFコイルと前記RFコイルが巻きつけられるボビンとを具備し、前記ボビンの表面に前記RFコイルを巻きつけるための溝を有する核磁気共鳴信号用プローブであって、前記ボビンの溝の深さと前記ボビンの体積磁化率との積が、前記RFコイルの巻き線における巻き線厚さと体積磁化率との積に対して5%以内の誤差に納まるように、前記ボビンと前記RFコイルの巻き線の少なくとも一方が体積磁化率の調整された材料で構成されていることを特徴とする核磁気共鳴信号用プローブ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007136828A JP4420938B2 (ja) | 2007-05-23 | 2007-05-23 | 核磁気共鳴信号用プローブ |
US12/125,180 US7804301B2 (en) | 2007-05-23 | 2008-05-22 | NMR probe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007136828A JP4420938B2 (ja) | 2007-05-23 | 2007-05-23 | 核磁気共鳴信号用プローブ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008292246A true JP2008292246A (ja) | 2008-12-04 |
JP4420938B2 JP4420938B2 (ja) | 2010-02-24 |
Family
ID=40167131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007136828A Expired - Fee Related JP4420938B2 (ja) | 2007-05-23 | 2007-05-23 | 核磁気共鳴信号用プローブ |
Country Status (2)
Country | Link |
---|---|
US (1) | US7804301B2 (ja) |
JP (1) | JP4420938B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101381721B1 (ko) | 2012-10-26 | 2014-04-07 | 한국외국어대학교 연구산학협력단 | 세포막 단백질의 구조 분석을 위한 고체상 nmr 프로브 |
KR101491601B1 (ko) | 2013-08-08 | 2015-02-06 | 한국외국어대학교 연구산학협력단 | 리튬 이온 배터리의 구조 분석을 위한 고체상 핵자기공명 프로브 |
JP2020201061A (ja) * | 2019-06-07 | 2020-12-17 | 日本電子株式会社 | Nmr測定プローブ及びその製造方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104747181B (zh) * | 2015-01-26 | 2017-12-12 | 中国海洋石油总公司 | 随钻核磁探测仪的探头敏感区标定检测装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6338150A (ja) | 1986-08-04 | 1988-02-18 | Jeol Ltd | Nmr用サンプルコイル |
US5545994A (en) * | 1995-05-02 | 1996-08-13 | Varian Associates, Inc. | Reduction of ambient susceptibility perturbations of an NMR spectrometer |
US5705014A (en) * | 1996-03-22 | 1998-01-06 | General Electric Company | Carbon fiber magnetic resonance compatible instruments |
US6054855A (en) * | 1997-11-07 | 2000-04-25 | Varian, Inc. | Magnetic susceptibility control of superconducting materials in nuclear magnetic resonance (NMR) probes |
JP2005121455A (ja) | 2003-10-16 | 2005-05-12 | Japan Superconductor Technology Inc | Nmr計測装置 |
US7202667B2 (en) * | 2004-06-07 | 2007-04-10 | California Institute Of Technology | Anisotropic nanoparticle amplification of magnetic resonance signals |
-
2007
- 2007-05-23 JP JP2007136828A patent/JP4420938B2/ja not_active Expired - Fee Related
-
2008
- 2008-05-22 US US12/125,180 patent/US7804301B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101381721B1 (ko) | 2012-10-26 | 2014-04-07 | 한국외국어대학교 연구산학협력단 | 세포막 단백질의 구조 분석을 위한 고체상 nmr 프로브 |
KR101491601B1 (ko) | 2013-08-08 | 2015-02-06 | 한국외국어대학교 연구산학협력단 | 리튬 이온 배터리의 구조 분석을 위한 고체상 핵자기공명 프로브 |
JP2020201061A (ja) * | 2019-06-07 | 2020-12-17 | 日本電子株式会社 | Nmr測定プローブ及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20090174406A1 (en) | 2009-07-09 |
JP4420938B2 (ja) | 2010-02-24 |
US7804301B2 (en) | 2010-09-28 |
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