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Presentation 2006-07-06 16:00
[Invited Talk] Multi-channel HTS MCG System Using Small and Simplified Magnetically Shielded Cylinder
Daisuke Suzuki, Akira Tsukamoto, Tsuyoshi Miyashita, Akihiko Kandori, , Koichi Yokosawa (Hitachi), Keiji Tsukada (Okayama Univ.), Shigeyuki Watanabe (Univ. of Tsukuba) Link to ES Tech. Rep. Archives: SCE2006-24
Abstract (in Japanese) (See Japanese page) 
(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 1.6 m length, 1.0 m width and 1.6 m height. The shield factor of this cylinder for perpendicular to cylinder axis is about 30 dB. Directly coupled SQUID magnetometers made of YBa2Cu3 on 15x15 mm2 bicrystal SrTiO3 substrate were used in this MCG. The typical white noise of the magnetometer was $50-100 fT\sqrt{Hz}$ . 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 175 mm x 175 mm area (6x6 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) 
(in English) MCG / SQUID / YBCO / magnetometer / / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 139, SCE2006-24, pp. 61-66, July 2006.
Paper # SCE2006-24 
Date of Issue 2006-06-29 (SCE) 
ISSN Print edition: ISSN 0913-5685
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Download PDF Link to ES Tech. Rep. Archives: SCE2006-24

Conference Information
Committee SCE  
Conference Date 2006-07-06 - 2006-07-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) SQUID, etc. 
Paper Information
Registration To SCE 
Conference Code 2006-07-SCE 
Language Japanese 
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) YBCO  
Keyword(4) magnetometer  
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1st Author's Name Daisuke Suzuki  
1st Author's Affiliation Hitachi, Ltd., Advanced Research Laboratory (Hitachi)
2nd Author's Name Akira Tsukamoto  
2nd Author's Affiliation Hitachi, Ltd., Advanced Research Laboratory (Hitachi)
3rd Author's Name Tsuyoshi Miyashita  
3rd Author's Affiliation Hitachi, Ltd., Advanced Research Laboratory (Hitachi)
4th Author's Name Akihiko Kandori  
4th Author's Affiliation Hitachi, Ltd., Advanced Research Laboratory (Hitachi)
5th Author's Name *  
5th Author's Affiliation Hitachi, Ltd., Advanced Research Laboratory (Hitachi)
6th Author's Name Koichi Yokosawa  
6th Author's Affiliation Hitachi, Ltd., Advanced Research Laboratory (Hitachi)
7th Author's Name Keiji Tsukada  
7th Author's Affiliation Okayama University (Okayama Univ.)
8th Author's Name Shigeyuki Watanabe  
8th Author's Affiliation University of Tsukuba (Univ. of Tsukuba)
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Speaker Author-1 
Date Time 2006-07-06 16:00:00 
Presentation Time 50 minutes 
Registration for SCE 
Paper # SCE2006-24 
Volume (vol) vol.106 
Number (no) no.139 
Page pp.61-66 
#Pages
Date of Issue 2006-06-29 (SCE) 


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