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Paper Abstract and Keywords
Presentation 2009-01-29 16:35
Fabrication of HTS-SQUIDs with multilayer structures and application for evaluation to YBCO coated conductors
Seiji Adachi, Hironori Wakana, Kiyoshi Hata, Yasuo Oshikubo, Tsunehiro Hato, Yoshinobu Tarutani, Keiichi Tanabe (Superconductivity Research Laboratory) SCE2008-39
Abstract (in Japanese) (See Japanese page) 
(in English) We successfully fabricated SQUIDs with multilayer structures using high-Tc superconductors (HTS). Use of ramp-edge Josephson junctions enables us to make SQUIDs at desired positions in a chip. Employing multilayer structures, the devices can be arranged in a rather limited area. We fabricated a garadiometer array in a chip and investigated its feasibility for non-destructive evaluation of YBCO coated-conductors striated to achieve low AC-losses. A test piece comprising an upper Cu-tape and a lower YBCO thin film was prepared. When the piece was examined at ambient temperature, SQUID signals from defects in the Cu-tape were detected. On the other hand, signals from defects in YBCO were clearly observed when the piece was cooled at 77 K. This indicated that defects in a Ag-stabilizing layer and a superconducting one can be detected separately by controlling the sample temperature.
Keyword (in Japanese) (See Japanese page) 
(in English) Ramp-edge / Josephson junction / SQUID / Multilayer / YBCO coated conductor / Non-Destructive Evaluation / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 420, SCE2008-39, pp. 35-39, Jan. 2009.
Paper # SCE2008-39 
Date of Issue 2009-01-22 (SCE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SCE  
Conference Date 2009-01-29 - 2009-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Analog application, etc 
Paper Information
Registration To SCE 
Conference Code 2009-01-SCE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fabrication of HTS-SQUIDs with multilayer structures and application for evaluation to YBCO coated conductors 
Sub Title (in English)  
Keyword(1) Ramp-edge  
Keyword(2) Josephson junction  
Keyword(3) SQUID  
Keyword(4) Multilayer  
Keyword(5) YBCO coated conductor  
Keyword(6) Non-Destructive Evaluation  
Keyword(7)  
Keyword(8)  
1st Author's Name Seiji Adachi  
1st Author's Affiliation Superconductivity Research Laboratory (Superconductivity Research Laboratory)
2nd Author's Name Hironori Wakana  
2nd Author's Affiliation Superconductivity Research Laboratory (Superconductivity Research Laboratory)
3rd Author's Name Kiyoshi Hata  
3rd Author's Affiliation Superconductivity Research Laboratory (Superconductivity Research Laboratory)
4th Author's Name Yasuo Oshikubo  
4th Author's Affiliation Superconductivity Research Laboratory (Superconductivity Research Laboratory)
5th Author's Name Tsunehiro Hato  
5th Author's Affiliation Superconductivity Research Laboratory (Superconductivity Research Laboratory)
6th Author's Name Yoshinobu Tarutani  
6th Author's Affiliation Superconductivity Research Laboratory (Superconductivity Research Laboratory)
7th Author's Name Keiichi Tanabe  
7th Author's Affiliation Superconductivity Research Laboratory (Superconductivity Research Laboratory)
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Speaker Author-1 
Date Time 2009-01-29 16:35:00 
Presentation Time 25 minutes 
Registration for SCE 
Paper # SCE2008-39 
Volume (vol) vol.108 
Number (no) no.420 
Page pp.35-39 
#Pages 5 
Date of Issue 2009-01-22 (SCE) 

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