| Presentation | 2006-07-06 Multi-channel HTS MCG System Using Small and Simplified Magnetically Shielded Cylinder Daisuke Suzuki, Akira Tsukamoto, Tsuyoshi Miyashita, Akihiko Kandori, Kuniomi Ogata, Koichi Yokosawa, Kenji Tsukada, Shigeyuki Watanabe, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We developed multi-channel compact High-Tc Superconducting (HTS) SQUID Magnetocardiograph (MCG). This MCG is using an open type transversal magnetically shielded cylinder. The dimensions of this cylinder are 1.6m length, 1.0m width and 1.6m height. The shield factor of this cylinder for perpendicular to cylinder axis is about 30dB. Directly coupled SQUID magnetometers [1] made of YBa_2Cu_3 on 15×15mm^2 bicrystal SrTiO_3 substrate were used in this MCG. The typical white noise of the magnetometer was 50-100 fT√Hz. This MCG system has 36 magnetometer site for MCG signals measurement and 5 reference site to remove environmental magnetic noises. Magnetometers for MCG signals were arranged in 175mm×175mm area (6×6 matrix). One site of reference sensors consists of three magnetometers to measure the vector noise component. This HTS MCG system could take the current-arrow map which has similar feature from Low-Tc one. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | MCG / SQUID / magnetometer / YBCO |
| Paper # | SCE2006-24 |
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| Conference Information | |
| Committee | SCE |
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| Conference Date | 2006/6/29(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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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) | Multi-channel HTS MCG System Using Small and Simplified Magnetically Shielded Cylinder |
| Sub Title (in English) | |
| Keyword(1) | MCG |
| Keyword(2) | SQUID |
| Keyword(3) | magnetometer |
| Keyword(4) | YBCO |
| 1st Author's Name | Daisuke Suzuki |
| 1st Author's Affiliation | Hitachi, Ltd., Advanced Research Laboratory() |
| 2nd Author's Name | Akira Tsukamoto |
| 2nd Author's Affiliation | Hitachi, Ltd., Advanced Research Laboratory |
| 3rd Author's Name | Tsuyoshi Miyashita |
| 3rd Author's Affiliation | Hitachi, Ltd., Advanced Research Laboratory |
| 4th Author's Name | Akihiko Kandori |
| 4th Author's Affiliation | Hitachi, Ltd., Advanced Research Laboratory |
| 5th Author's Name | Kuniomi Ogata |
| 5th Author's Affiliation | Hitachi, Ltd., Advanced Research Laboratory |
| 6th Author's Name | Koichi Yokosawa |
| 6th Author's Affiliation | Hitachi, Ltd., Advanced Research Laboratory |
| 7th Author's Name | Kenji Tsukada |
| 7th Author's Affiliation | Department of Electrical and Electronic Engineering Okayama University |
| 8th Author's Name | Shigeyuki Watanabe |
| 8th Author's Affiliation | Cardiovascular Division, Department of Internal Medicine Institute of Clinical Medicine, University of Tsukuba |
| Date | 2006-07-06 |
| Paper # | SCE2006-24 |
| Volume (vol) | vol.106 |
| Number (no) | 139 |
| Page | pp.pp.- |
| #Pages | 6 |
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