Engineering Design of a Special Purpose Functional Magnetic Resonance Scanner Magnet
A 2 T open magnetic resonance imaging scanner for functional magnetic resonance imaging investigations of subjects maintaining a natural stance and free access to the environment is presented. The self-shielded multicoil magnet is composed of solenoids optimized in positions and cross-sectional shap...
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| Veröffentlicht in: | IEEE transactions on applied superconductivity 2013-06, Vol.23 (3), p.4400205-4400205 |
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| container_end_page | 4400205 |
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| container_issue | 3 |
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| container_title | IEEE transactions on applied superconductivity |
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| creator | Borceto, A. Damiani, D. Viale, A. Bertora, F. Marabotto, R. |
| description | A 2 T open magnetic resonance imaging scanner for functional magnetic resonance imaging investigations of subjects maintaining a natural stance and free access to the environment is presented. The self-shielded multicoil magnet is composed of solenoids optimized in positions and cross-sectional shape. It provides a room temperature gap of 800 mm at the subject shoulders, tapering down to 600 mm at its narrowest point. The system consists of symmetrical magnetic poles, five NbTi superconducting coils each, maintained at 4.2 K in a liquid helium cryostat with a re-condenser. Windings, coil formers, mechanical structure, cryostat, vacuum chamber, thermal shield, mechanical supports, and cryogenics have been modeled in detail using Catia CAD software, accounting for the interactions among components and the constraints posed by winding and assembly methods. The cable characteristics have been chosen based on simulations of thermodynamic stability in operating conditions; self-protection against quench has been provided by inductance subdivision with bypass diodes. |
| doi_str_mv | 10.1109/TASC.2012.2234811 |
| format | Article |
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The self-shielded multicoil magnet is composed of solenoids optimized in positions and cross-sectional shape. It provides a room temperature gap of 800 mm at the subject shoulders, tapering down to 600 mm at its narrowest point. The system consists of symmetrical magnetic poles, five NbTi superconducting coils each, maintained at 4.2 K in a liquid helium cryostat with a re-condenser. Windings, coil formers, mechanical structure, cryostat, vacuum chamber, thermal shield, mechanical supports, and cryogenics have been modeled in detail using Catia CAD software, accounting for the interactions among components and the constraints posed by winding and assembly methods. The cable characteristics have been chosen based on simulations of thermodynamic stability in operating conditions; self-protection against quench has been provided by inductance subdivision with bypass diodes.</description><identifier>ISSN: 1051-8223</identifier><identifier>EISSN: 1558-2515</identifier><identifier>DOI: 10.1109/TASC.2012.2234811</identifier><identifier>CODEN: ITASE9</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Brain ; Coils ; Coils (windings) ; Conductors ; Cryostats ; Diodes ; Electrical engineering. Electrical power engineering ; Electromagnets ; Electronics ; Exact sciences and technology ; Field homogeneity ; Harmonic analysis ; Imaging devices ; Magnetic noise ; Magnetic resonance imaging ; magnets ; MRI ; NMR ; Nuclear magnetic resonance ; Scanners ; Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices ; Subdivisions ; Superconducting magnets ; Superconductivity ; Tapering ; Various equipment and components ; Windings</subject><ispartof>IEEE transactions on applied superconductivity, 2013-06, Vol.23 (3), p.4400205-4400205</ispartof><rights>2014 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Jun 2013</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-50f51b8119ff8b51f7280236de690a762b25d940d1e0b62af9fe9aedbea40a5f3</citedby><cites>FETCH-LOGICAL-c356t-50f51b8119ff8b51f7280236de690a762b25d940d1e0b62af9fe9aedbea40a5f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6387271$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,796,23930,23931,25140,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6387271$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27529428$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Borceto, A.</creatorcontrib><creatorcontrib>Damiani, D.</creatorcontrib><creatorcontrib>Viale, A.</creatorcontrib><creatorcontrib>Bertora, F.</creatorcontrib><creatorcontrib>Marabotto, R.</creatorcontrib><title>Engineering Design of a Special Purpose Functional Magnetic Resonance Scanner Magnet</title><title>IEEE transactions on applied superconductivity</title><addtitle>TASC</addtitle><description>A 2 T open magnetic resonance imaging scanner for functional magnetic resonance imaging investigations of subjects maintaining a natural stance and free access to the environment is presented. The self-shielded multicoil magnet is composed of solenoids optimized in positions and cross-sectional shape. It provides a room temperature gap of 800 mm at the subject shoulders, tapering down to 600 mm at its narrowest point. The system consists of symmetrical magnetic poles, five NbTi superconducting coils each, maintained at 4.2 K in a liquid helium cryostat with a re-condenser. Windings, coil formers, mechanical structure, cryostat, vacuum chamber, thermal shield, mechanical supports, and cryogenics have been modeled in detail using Catia CAD software, accounting for the interactions among components and the constraints posed by winding and assembly methods. The cable characteristics have been chosen based on simulations of thermodynamic stability in operating conditions; self-protection against quench has been provided by inductance subdivision with bypass diodes.</description><subject>Applied sciences</subject><subject>Brain</subject><subject>Coils</subject><subject>Coils (windings)</subject><subject>Conductors</subject><subject>Cryostats</subject><subject>Diodes</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electromagnets</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Field homogeneity</subject><subject>Harmonic analysis</subject><subject>Imaging devices</subject><subject>Magnetic noise</subject><subject>Magnetic resonance imaging</subject><subject>magnets</subject><subject>MRI</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Scanners</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</subject><subject>Subdivisions</subject><subject>Superconducting magnets</subject><subject>Superconductivity</subject><subject>Tapering</subject><subject>Various equipment and components</subject><subject>Windings</subject><issn>1051-8223</issn><issn>1558-2515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkE9LMzEQhxdR8O8HEC8LInjZvpnZJJscpVrfF3xRbD0v2XRSImu2Jt2D396UFg-eZpjfM0PyFMUlsAkA038Wd_PpBBngBLHmCuCgOAEhVIUCxGHumYBK5ey4OE3pnTHgiouTYvEQVj4QRR9W5T0lvwrl4EpTztdkvenLlzGuh0TlbAx244eQR__NKtDG2_KVUh4ES-XcmhAo7qPz4siZPtHFvp4Vb7OHxfRv9fT8-G9691TZWshNJZgT0OW3audUJ8A1qBjWcklSM9NI7FAsNWdLINZJNE470oaWHRnOjHD1WXG7u7uOw-dIadN--GSp702gYUwt1FzzmguFGb3-hb4PY8y_yRQ2KKUUGjIFO8rGIaVIrl1H_2HiVwus3Xput57bred27znv3Owvm2RN72IW4tPPIjYCNUeVuasd54noJ5a1arCB-hsm2YUt</recordid><startdate>20130601</startdate><enddate>20130601</enddate><creator>Borceto, A.</creator><creator>Damiani, D.</creator><creator>Viale, A.</creator><creator>Bertora, F.</creator><creator>Marabotto, R.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Electrical power engineering</topic><topic>Electromagnets</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Field homogeneity</topic><topic>Harmonic analysis</topic><topic>Imaging devices</topic><topic>Magnetic noise</topic><topic>Magnetic resonance imaging</topic><topic>magnets</topic><topic>MRI</topic><topic>NMR</topic><topic>Nuclear magnetic resonance</topic><topic>Scanners</topic><topic>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</topic><topic>Subdivisions</topic><topic>Superconducting magnets</topic><topic>Superconductivity</topic><topic>Tapering</topic><topic>Various equipment and components</topic><topic>Windings</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Borceto, A.</creatorcontrib><creatorcontrib>Damiani, D.</creatorcontrib><creatorcontrib>Viale, A.</creatorcontrib><creatorcontrib>Bertora, F.</creatorcontrib><creatorcontrib>Marabotto, R.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on applied superconductivity</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Borceto, A.</au><au>Damiani, D.</au><au>Viale, A.</au><au>Bertora, F.</au><au>Marabotto, R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Engineering Design of a Special Purpose Functional Magnetic Resonance Scanner Magnet</atitle><jtitle>IEEE transactions on applied superconductivity</jtitle><stitle>TASC</stitle><date>2013-06-01</date><risdate>2013</risdate><volume>23</volume><issue>3</issue><spage>4400205</spage><epage>4400205</epage><pages>4400205-4400205</pages><issn>1051-8223</issn><eissn>1558-2515</eissn><coden>ITASE9</coden><abstract>A 2 T open magnetic resonance imaging scanner for functional magnetic resonance imaging investigations of subjects maintaining a natural stance and free access to the environment is presented. The self-shielded multicoil magnet is composed of solenoids optimized in positions and cross-sectional shape. It provides a room temperature gap of 800 mm at the subject shoulders, tapering down to 600 mm at its narrowest point. The system consists of symmetrical magnetic poles, five NbTi superconducting coils each, maintained at 4.2 K in a liquid helium cryostat with a re-condenser. Windings, coil formers, mechanical structure, cryostat, vacuum chamber, thermal shield, mechanical supports, and cryogenics have been modeled in detail using Catia CAD software, accounting for the interactions among components and the constraints posed by winding and assembly methods. The cable characteristics have been chosen based on simulations of thermodynamic stability in operating conditions; self-protection against quench has been provided by inductance subdivision with bypass diodes.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TASC.2012.2234811</doi><tpages>1</tpages></addata></record> |
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| ispartof | IEEE transactions on applied superconductivity, 2013-06, Vol.23 (3), p.4400205-4400205 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Brain Coils Coils (windings) Conductors Cryostats Diodes Electrical engineering. Electrical power engineering Electromagnets Electronics Exact sciences and technology Field homogeneity Harmonic analysis Imaging devices Magnetic noise Magnetic resonance imaging magnets MRI NMR Nuclear magnetic resonance Scanners Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Subdivisions Superconducting magnets Superconductivity Tapering Various equipment and components Windings |
| title | Engineering Design of a Special Purpose Functional Magnetic Resonance Scanner Magnet |
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