| Presentation | 2014-01-23 Operation of Liquid Helium Recycling System for MEG Jun-ichi FUJIHIRA, Jun KAWAI, Masanori HIGUCHI, Daisuke OYAMA, Hisanao OGATA, Gen UEHARA, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We have developed a small liquid helium recycling system for MEG used in a laboratory environment. The system has a separable supplying structure using a liquid helium container in order to avoid the noise increase and to simplify the installation. We conducted an unloaded test of the system using a calorimeter, and found that the stand-alone re-condensation rate was 9.7 L/day. And we also conducted a performance test loaded with 100 L liquid helium container, and found that the re-condensation rate was 7.9 L/day. To evaluate the system in operation with MEG, we measured a noise in MEG, ECD position displacement using an MEG phantom and auditory evoked magnetic fields (AEF). As results, the noise increase in MEG was not observed, the ECD position displacement was not found, and AEF was not influenced by vibrating sound of the system. From these evaluation results, we found that the recycling system with separable liquid helium supplying structure was useful for MEG operation. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | SQUID / Magnetoencephalograph (MEG) / Helium Recycling System / Cryocooler |
| Paper # | SCE2013-45 |
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| Conference Information | |
| Committee | SCE |
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| Conference Date | 2014/1/16(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Vice Chair | |
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| Paper Information | |
| Registration To | Superconductive Electronics (SCE) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Operation of Liquid Helium Recycling System for MEG |
| Sub Title (in English) | |
| Keyword(1) | SQUID |
| Keyword(2) | Magnetoencephalograph (MEG) |
| Keyword(3) | Helium Recycling System |
| Keyword(4) | Cryocooler |
| 1st Author's Name | Jun-ichi FUJIHIRA |
| 1st Author's Affiliation | FEDLIC Co., Ltd.() |
| 2nd Author's Name | Jun KAWAI |
| 2nd Author's Affiliation | Applied Electronics Laboratory, Kanazawa Institute of Technology |
| 3rd Author's Name | Masanori HIGUCHI |
| 3rd Author's Affiliation | Applied Electronics Laboratory, Kanazawa Institute of Technology |
| 4th Author's Name | Daisuke OYAMA |
| 4th Author's Affiliation | Applied Electronics Laboratory, Kanazawa Institute of Technology |
| 5th Author's Name | Hisanao OGATA |
| 5th Author's Affiliation | Applied Electronics Laboratory, Kanazawa Institute of Technology |
| 6th Author's Name | Gen UEHARA |
| 6th Author's Affiliation | Applied Electronics Laboratory, Kanazawa Institute of Technology |
| Date | 2014-01-23 |
| Paper # | SCE2013-45 |
| Volume (vol) | vol.113 |
| Number (no) | 401 |
| Page | pp.pp.- |
| #Pages | 5 |
| Date of Issue | |