JPH0261252B2 - - Google Patents
Info
- Publication number
- JPH0261252B2 JPH0261252B2 JP58107444A JP10744483A JPH0261252B2 JP H0261252 B2 JPH0261252 B2 JP H0261252B2 JP 58107444 A JP58107444 A JP 58107444A JP 10744483 A JP10744483 A JP 10744483A JP H0261252 B2 JPH0261252 B2 JP H0261252B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- subject
- magnetic field
- detection
- nmr
- 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.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 27
- 238000003384 imaging method Methods 0.000 claims description 8
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 claims 2
- 230000005311 nuclear magnetism Effects 0.000 claims 1
- 238000005481 NMR spectroscopy Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 8
- 230000005284 excitation Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000003068 static effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- G01R33/3678—Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized RF magnetic field
-
- 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
- G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
- G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58107444A JPS60376A (ja) | 1983-06-15 | 1983-06-15 | 核磁気共鳴イメ−ジング装置におけるrfコイル装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58107444A JPS60376A (ja) | 1983-06-15 | 1983-06-15 | 核磁気共鳴イメ−ジング装置におけるrfコイル装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60376A JPS60376A (ja) | 1985-01-05 |
JPH0261252B2 true JPH0261252B2 (ko) | 1990-12-19 |
Family
ID=14459301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58107444A Granted JPS60376A (ja) | 1983-06-15 | 1983-06-15 | 核磁気共鳴イメ−ジング装置におけるrfコイル装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60376A (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0616758B2 (ja) * | 1984-10-15 | 1994-03-09 | 株式会社東芝 | 磁気共鳴イメ−ジング装置 |
WO1987006712A1 (en) * | 1986-04-21 | 1987-11-05 | The Board Of Trustees Of The Leland Stanford Junio | Reduced noise nmr localization system |
JPS6321049A (ja) * | 1986-07-15 | 1988-01-28 | 工業技術院長 | 核磁気共鳴現象を用いた脳機能計測装置 |
NL8602821A (nl) * | 1986-11-07 | 1988-06-01 | Philips Nv | Werkwijze en inrichting voor het bepalen van gecorrigeerd mri oppervlaktespoelbeeld. |
JPS63203147A (ja) * | 1987-02-20 | 1988-08-23 | 株式会社東芝 | 磁気共鳴イメ−ジング装置 |
JPS6417636A (en) * | 1987-07-14 | 1989-01-20 | Hitachi Medical Corp | Nuclear magnetic resonance imaging apparatus |
JPH01207044A (ja) * | 1988-02-15 | 1989-08-21 | Yokogawa Medical Syst Ltd | 核磁気共鳴画像診断装置の受信装置 |
JPH022911A (ja) * | 1988-06-17 | 1990-01-08 | Otsuka Denshi Kk | 生体組織のnmr測定方法および測定装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5397894A (en) * | 1977-02-08 | 1978-08-26 | Jeol Ltd | High frequency circuit for nuclear magnetism resonance device |
JPS56132551A (en) * | 1980-02-05 | 1981-10-16 | Thomson Csf | Electromagnetic coil system and nmr imaging device using thereof |
-
1983
- 1983-06-15 JP JP58107444A patent/JPS60376A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5397894A (en) * | 1977-02-08 | 1978-08-26 | Jeol Ltd | High frequency circuit for nuclear magnetism resonance device |
JPS56132551A (en) * | 1980-02-05 | 1981-10-16 | Thomson Csf | Electromagnetic coil system and nmr imaging device using thereof |
Also Published As
Publication number | Publication date |
---|---|
JPS60376A (ja) | 1985-01-05 |
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