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Paper Abstract and Keywords
Presentation 2021-05-14 15:25
Investigation of Noise Suppression Mechanism Using Continuous Conductor Model of Metal-Coated Non-Woven Fabric
Sho Muroga, Motoshi Tanaka (Akita Univ.), Chie Okamura, Junichi Kusakabe (Asahikasei) EMCJ2021-9
Abstract (in Japanese) (See Japanese page) 
(in English) A thin, lightweight and flexible noise suppression sheet (NSS) made of high resistance non-magnetic metal-coated non-woven fabric has been proposed as a countermeasure against undesired electromagnetic noise resulting from printed circuit boards and cables. In this study, the proposed NSS was modeled as a continuous conductor and its shielding and conductive noise suppression mechanism were investigated through the quantitative estimation. The continuous conductor model was assumed to be a uniform conductor with the same thickness and in-plane-anisotropic sheet resistance of the NSS. The shielding effectiveness was evaluated using square waveguides with the NSS inserted. The conductive noise suppression was evaluated using a single microstrip line (MSL) with the NSS. The estimated values were approximately agreed with the experimental values. The result indicates that the shielding effectiveness and conduction noise suppression of the NSS are due to the eddy currents generated by the average conductivity of the NSS, which can be quantitatively estimated by considering the sheet resistance of NSS considering its in-plane anisotropy.
Keyword (in Japanese) (See Japanese page) 
(in English) Noise Suppression Sheet / Non-Woven Fabric / Shielding Effectiveness / Conductive Noise Suppression / Sheet Resistance / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 19, EMCJ2021-9, pp. 12-16, May 2021.
Paper # EMCJ2021-9 
Date of Issue 2021-05-07 (EMCJ) 
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)
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Conference Information
Committee EMCJ  
Conference Date 2021-05-14 - 2021-05-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) EMC 
Paper Information
Registration To EMCJ 
Conference Code 2021-05-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation of Noise Suppression Mechanism Using Continuous Conductor Model of Metal-Coated Non-Woven Fabric 
Sub Title (in English)  
Keyword(1) Noise Suppression Sheet  
Keyword(2) Non-Woven Fabric  
Keyword(3) Shielding Effectiveness  
Keyword(4) Conductive Noise Suppression  
Keyword(5) Sheet Resistance  
1st Author's Name Sho Muroga  
1st Author's Affiliation Akita University (Akita Univ.)
2nd Author's Name Motoshi Tanaka  
2nd Author's Affiliation Akita University (Akita Univ.)
3rd Author's Name Chie Okamura  
3rd Author's Affiliation Asahikasei Corporation (Asahikasei)
4th Author's Name Junichi Kusakabe  
4th Author's Affiliation Asahikasei Corporation (Asahikasei)
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Date Time 2021-05-14 15:25:00 
Presentation Time 25 
Registration for EMCJ 
Paper # IEICE-EMCJ2021-9 
Volume (vol) IEICE-121 
Number (no) no.19 
Page pp.12-16 
#Pages IEICE-5 
Date of Issue IEICE-EMCJ-2021-05-07 

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