FI843378A - Tvaergradienta faeltlindningar foer avbildning med kaernmagnetisk resonans. - Google Patents
Tvaergradienta faeltlindningar foer avbildning med kaernmagnetisk resonans. Download PDFInfo
- Publication number
- FI843378A FI843378A FI843378A FI843378A FI843378A FI 843378 A FI843378 A FI 843378A FI 843378 A FI843378 A FI 843378A FI 843378 A FI843378 A FI 843378A FI 843378 A FI843378 A FI 843378A
- Authority
- FI
- Finland
- Prior art keywords
- explosion
- derivatives
- release factor
- factor
- release
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/20—Electromagnets; Actuators including electromagnets without armatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—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
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/041—Printed circuit coils
- H01F41/045—Trimming
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US54804183A | 1983-11-02 | 1983-11-02 | |
US54817483 | 1983-11-02 | ||
US54804183 | 1983-11-02 | ||
US06/548,174 US4646024A (en) | 1983-11-02 | 1983-11-02 | Transverse gradient field coils for nuclear magnetic resonance imaging |
Publications (4)
Publication Number | Publication Date |
---|---|
FI843378A0 FI843378A0 (fi) | 1984-08-27 |
FI843378A true FI843378A (fi) | 1985-05-03 |
FI88079B FI88079B (fi) | 1992-12-15 |
FI88079C FI88079C (fi) | 1993-03-25 |
Family
ID=27068746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI843378A FI88079C (fi) | 1983-11-02 | 1984-08-27 | Tvaer gradientspole, speciellt en spole foer bruk i nukleaera magnetiska resonansavbildningssystem |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0140259B1 (fi) |
JP (1) | JPH0628206B2 (fi) |
KR (1) | KR910001860B1 (fi) |
DE (1) | DE3484976D1 (fi) |
FI (1) | FI88079C (fi) |
IL (1) | IL72931A (fi) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4621236A (en) * | 1985-02-11 | 1986-11-04 | Field Effects, Inc. | Cylindrical electromagnet for an NMR imaging system |
EP0210289B1 (en) * | 1985-07-25 | 1992-03-04 | General Electric Company | Superconducting filter coils for high homogeneity magnetic field |
EP0216590B2 (en) * | 1985-09-20 | 2001-06-06 | Btg International Limited | Magnetic field screens |
US4737716A (en) * | 1986-02-06 | 1988-04-12 | General Electric Company | Self-shielded gradient coils for nuclear magnetic resonance imaging |
FR2597977B1 (fr) * | 1986-04-24 | 1990-09-21 | Commissariat Energie Atomique | Systeme de bobines pour la production de gradients de champs magnetiques de polarisation tres uniformes dans une installation d'imagerie ou de spectroscopie par rmn |
GB8615674D0 (en) * | 1986-06-26 | 1986-07-30 | Mansfield P | Electrical coils |
GB8615854D0 (en) * | 1986-06-28 | 1986-08-06 | Turner R | Magnetic field coils |
NL8603076A (nl) * | 1986-12-03 | 1988-07-01 | Philips Nv | Gradient spoel voor magnetisch kernspin apparaat. |
GB8729037D0 (en) * | 1987-12-11 | 1988-01-27 | Turner R | Improvements in/relating to electrical coils |
EP0372096A1 (de) * | 1988-11-28 | 1990-06-13 | Siemens Aktiengesellschaft | Gradientenspulen-System für einen Kernspintomographen |
US4910462A (en) * | 1989-04-28 | 1990-03-20 | General Electric Company | Etched Z-axis gradient coils for NMR system |
US5424643A (en) * | 1989-06-16 | 1995-06-13 | Picker International, Inc. | Magnetic resonance gradient sheet coils |
US5266913A (en) * | 1991-08-27 | 1993-11-30 | British Technology Group Usa Inc. | Screened electromagnetic coil of restricted length having optimized field and method |
DE4210217C2 (de) * | 1992-03-28 | 1994-03-24 | Bruker Analytische Messtechnik | Verfahren zum Bau einer optimierten Magnetspulenanordnung |
DE4425997C1 (de) * | 1994-07-22 | 1996-01-25 | Bruker Analytische Messtechnik | Teilbares, bewegliches Gradientensystem für NMR-Tomographen |
EP0900398B1 (en) * | 1996-05-09 | 2004-02-18 | President And Fellows Of Harvard College | Fabrication of small-scale coils and bands as photomasks on optical fibers for generation of in-fiber gratings, electromagnets as micro-nmr coils, microtransformers, and intra-vascular stents |
US5951881A (en) * | 1996-07-22 | 1999-09-14 | President And Fellows Of Harvard College | Fabrication of small-scale cylindrical articles |
JP3670452B2 (ja) * | 1996-07-31 | 2005-07-13 | 株式会社東芝 | 磁場発生用コイルユニットおよびコイル巻装方法 |
EP0893700A1 (en) * | 1997-07-25 | 1999-01-27 | Atlas Investments Ltd. | Solenoidal resistive magnet for nuclear magnetic resonance imaging |
GB0204023D0 (en) * | 2002-02-20 | 2002-04-03 | Tesla Engineering Ltd | Gradient coil structure for magnetic resonance imaging |
US7557578B1 (en) * | 2008-08-29 | 2009-07-07 | Varian, Inc. | Low loss NMR sample holder |
FR2978834B1 (fr) * | 2011-08-01 | 2014-05-16 | Commissariat Energie Atomique | Procede et systeme de generation de gradients de champ magnetique pour machine d'imagerie a rmn |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3515979A (en) * | 1957-11-04 | 1970-06-02 | Perkin Elmer Corp | Magnetic field control apparatus |
US3376138A (en) * | 1963-12-09 | 1968-04-02 | Gilano Michael Nicholas | Photosensitive prepolymer composition and method |
US3622869A (en) * | 1967-06-28 | 1971-11-23 | Marcel J E Golay | Homogenizing coils for nmr apparatus |
US3736543A (en) * | 1972-03-31 | 1973-05-29 | Bendix Corp | Photoetched induction coil assembly |
JPS4978159A (fi) * | 1972-12-05 | 1974-07-27 | ||
DE2520934C3 (de) * | 1975-05-10 | 1982-07-08 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Gedruckte Spule |
JPS5945204B2 (ja) * | 1978-03-16 | 1984-11-05 | 古河電気工業株式会社 | 双極コイル |
JPS566498A (en) * | 1979-06-26 | 1981-01-23 | Hitachi Chemical Co Ltd | Method of manufacturing flexible printed circuit board |
KR890004585B1 (ko) * | 1980-09-11 | 1989-11-16 | 아사히가세이고교가부시키가이샤 | 마이크로코일(microcoil) |
DE3133873A1 (de) * | 1981-08-27 | 1983-03-17 | Siemens AG, 1000 Berlin und 8000 München | Gradientenspulen-system fuer eine einrichtung der kernspinresonanz-technik |
DE3148192A1 (de) * | 1981-12-05 | 1983-06-09 | Robert Bosch Gmbh, 7000 Stuttgart | Elektrische spule aus leiterbahnen |
US4456881A (en) * | 1982-01-18 | 1984-06-26 | Technicare Corporation | Gradient-coil apparatus for a magnetic resonance system |
JPS58190244A (ja) * | 1982-04-30 | 1983-11-07 | 北海道大学長 | 電力無線送受用空中線 |
-
1984
- 1984-08-27 FI FI843378A patent/FI88079C/fi not_active IP Right Cessation
- 1984-09-13 IL IL8472931A patent/IL72931A/xx not_active IP Right Cessation
- 1984-10-13 DE DE8484112346T patent/DE3484976D1/de not_active Expired - Fee Related
- 1984-10-13 EP EP84112346A patent/EP0140259B1/en not_active Expired - Lifetime
- 1984-11-02 JP JP59230482A patent/JPH0628206B2/ja not_active Expired - Fee Related
- 1984-11-02 KR KR1019840006931A patent/KR910001860B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR850003681A (ko) | 1985-06-26 |
DE3484976D1 (de) | 1991-10-02 |
IL72931A (en) | 1988-12-30 |
FI843378A0 (fi) | 1984-08-27 |
FI88079C (fi) | 1993-03-25 |
EP0140259A3 (en) | 1985-11-06 |
KR910001860B1 (ko) | 1991-03-28 |
EP0140259A2 (en) | 1985-05-08 |
EP0140259B1 (en) | 1991-08-28 |
FI88079B (fi) | 1992-12-15 |
JPS60132303A (ja) | 1985-07-15 |
JPH0628206B2 (ja) | 1994-04-13 |
IL72931A0 (en) | 1984-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: GENERAL ELECTRIC COMPANY |