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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Sangkwon Jeong Sehwan In Seokho Kim |
| Copyright Year | 2002 |
| Abstract | This paper describes a novel /spl mu/-flux (micro flux) pump using a cryotron-like switch that may be coupled to a high-temperature superconductor (HTS) insert coil of a high-field nuclear magnetic resonance (NMR) magnet. The flux pump is essentially comprised of a single superconducting cryotron-like switch loop that is intermittently open and closed by magnetic field. There is inherently only small energy dissipation in the switching action because the triggering action of the switch is made magnetically not thermally. The micro flux pump can supply precisely a small amount of current into a superconducting load magnet. The switching is stable and fast because the thermal inertia and the temperature sensitivity of the flux pump are not relevant to the operation. The /spl mu/-flux pump can be designed to generate minimum total heat input to liquid helium bath of HTS insert coil of NMR magnet. |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 1558 |
| Ending Page | 1561 |
| Page Count | 4 |
| File Size | 320145 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 13 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-06-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Switches Superconducting magnets High temperature superconductors Superconducting coils Magnetic switching Magnetic flux Nuclear magnetic resonance Magnetic resonance Couplings Magnetic fields |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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