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Paper Abstract and Keywords
Presentation 2010-05-21 14:25
Study on Suppression Effect and Invasiveness for Near Electromagnetic Field Noise by Suppression material
Yuta Ohkubo, Atsushi Nakajiri, Yuki Matsumoto, Hidetoshi Nakayama, Takashi Kasuga (NNCT) EMD2010-3
Abstract (in Japanese) (See Japanese page) 
(in English) The purpose of this study is to make clear the suppression effect and invasiveness for the near electromagnetic field by the conductor or the magnetic material put on the PCB. The FDTD analysis implemented in the complex relative permeability is executed to analyze the suppression effect of the magnetic sheet. The analytical result of the magnetic field distribution is good agreement with the measurement result.
When the electrical conductivity is varied, the values of the conductivity, as the electric and magnetic field are suppressed, are different. When the permeability is varied, the magnetic field is decreased as permeability is the large. On the other hand, the electric field is not varied with the variation of the permeability.
As the suppression effect by the different permeability and thickness of the sheet are measured, the magnetic sheet with large permeability and the thick sheet can suppress the near magnetic field.
Combining the conductive and magnetic sheets, the invasiveness to the near electromagnetic field can be controlled.
Keyword (in Japanese) (See Japanese page) 
(in English) PCB / EM suppression material / Near electromagnetic field / Suppression effect / Invasiveness / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 51, EMD2010-3, pp. 13-18, May 2010.
Paper # EMD2010-3 
Date of Issue 2010-05-14 (EMD) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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 EMD  
Conference Date 2010-05-21 - 2010-05-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Akita Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMD 
Conference Code 2010-05-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Suppression Effect and Invasiveness for Near Electromagnetic Field Noise by Suppression material 
Sub Title (in English)  
Keyword(1) PCB  
Keyword(2) EM suppression material  
Keyword(3) Near electromagnetic field  
Keyword(4) Suppression effect  
Keyword(5) Invasiveness  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yuta Ohkubo  
1st Author's Affiliation Nagano National College of Technology (NNCT)
2nd Author's Name Atsushi Nakajiri  
2nd Author's Affiliation Nagano National College of Technology (NNCT)
3rd Author's Name Yuki Matsumoto  
3rd Author's Affiliation Nagano National College of Technology (NNCT)
4th Author's Name Hidetoshi Nakayama  
4th Author's Affiliation Nagano National College of Technology (NNCT)
5th Author's Name Takashi Kasuga  
5th Author's Affiliation Nagano National College of Technology (NNCT)
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Speaker Author-5 
Date Time 2010-05-21 14:25:00 
Presentation Time 25 minutes 
Registration for EMD 
Paper # EMD2010-3 
Volume (vol) vol.110 
Number (no) no.51 
Page pp.13-18 
#Pages 6 
Date of Issue 2010-05-14 (EMD) 

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