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Paper Abstract and Keywords
Presentation 2017-11-10 14:40
Comprehensive evaluation of several spiral resonators with electric field confinement
Tatsuya Hiraiwa, Toshio Ishizaki (Ryukoku Univ), Ikuo Awai (Ryutech) MW2017-141 Link to ES Tech. Rep. Archives: MW2017-141
Abstract (in Japanese) (See Japanese page) 
(in English) The working principle, fabrication method, electric field confinement capability, unloaded Q property and susceptibility to the surrounding materials of the 4 kinds of our spiral resonators are comprehensively and comparatively studied. Simple increase of capacitance may deteriorate the unloaded Q and coupling coefficient to the adjacent resonator in spite of the quick confinement of the electric energy, and hence, these means are valuable to improve the resonator. Since spiral resonators are of long transfer distance and high unloaded Q in the magnetically coupled WPT system, it is meaningful for the better system behavior to extract the useless electric field from the coupling space.
Keyword (in Japanese) (See Japanese page) 
(in English) WPT / Confinement of electric field / Spiral coil / Unloaded Q / Frequency shift, / Leakage E-field, / EMC /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 291, MW2017-141, pp. 161-166, Nov. 2017.
Paper # MW2017-141 
Date of Issue 2017-11-02 (MW) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
Download PDF MW2017-141 Link to ES Tech. Rep. Archives: MW2017-141

Conference Information
Committee MW  
Conference Date 2017-11-09 - 2017-11-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyakojima Marin Terminal Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2017-11-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Comprehensive evaluation of several spiral resonators with electric field confinement 
Sub Title (in English)  
Keyword(1) WPT  
Keyword(2) Confinement of electric field  
Keyword(3) Spiral coil  
Keyword(4) Unloaded Q  
Keyword(5) Frequency shift,  
Keyword(6) Leakage E-field,  
Keyword(7) EMC  
1st Author's Name Tatsuya Hiraiwa  
1st Author's Affiliation Ryukoku University (Ryukoku Univ)
2nd Author's Name Toshio Ishizaki  
2nd Author's Affiliation Ryukoku University (Ryukoku Univ)
3rd Author's Name Ikuo Awai  
3rd Author's Affiliation Ryutech Corporation (Ryutech)
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Date Time 2017-11-10 14:40:00 
Presentation Time 15 
Registration for MW 
Paper # IEICE-MW2017-141 
Volume (vol) IEICE-117 
Number (no) no.291 
Page pp.161-166 
#Pages IEICE-6 
Date of Issue IEICE-MW-2017-11-02 

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