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| Presentation | 2016-12-15 16:40 Study on Evaluation of Composite Electromagnetic Wave Absorbers with Two-layers Structure made of Sendust Partcle Dispersed in Polystyrene Resin Seiki Umemoto, Takumi Kubota, Takahiko Yoshida, Yuki Satou, Shinzo Yoshikado (doshisha Univ)  MW2016-150 Link to ES Tech. Rep. Archives: MW2016-150 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It has been reported that the composite made of sendust (Fe-Si-Al) particles dispersed in polystyrene resin can be used as an broadband electromagnetic absorber in the frequency range above several GHz. In order to broaden the absorption frequency bandwidth, it is important that the non- reflective condition is satisfied in the desired frequency range in designing an absorber. The maximum normalized −20 dB absorption bandwidth for the composite containing the spherical sendust particles with average particle size of 3.5 μm was approximately 29 % for the volume ratio of sendust particle of ≈ 20 vol%, which was much larger than that of commercially available absorbers (less than approximately 10 %). In order to commercialize the composites absorbers made of sendust particle dispersed in polystyrene resin, it is necessary to improved absorption bandwidth furthermore. In this study, in order to improve the absorption frequency bandwidth, the double-layered electromagnetic wave absorbers,which operate in the frequency range between 2.5‒18 GHz. The frequency dependence of return loss was calculated using the values of the complex relative permeability and the complex relative permittivity. Measured values of return loss agreed with the calculated value. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Double Layered Electromagnetic Wave Absorbers / Wide band Absorption / Sendust Particles / polystyrene resin / Return Loss / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 363, MW2016-150, pp. 101-106, Dec. 2016. | |
| Paper # | MW2016-150 | |
| Date of Issue | 2016-12-08 (MW) | |
| 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) | |
| Download PDF | MW2016-150 Link to ES Tech. Rep. Archives: MW2016-150 |
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| Conference Information | |
| Committee | MW |
| Conference Date | 2016-12-15 - 2016-12-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | National Defense Academy |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Students Session / Microwave Technologies |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2016-12-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on Evaluation of Composite Electromagnetic Wave Absorbers with Two-layers Structure made of Sendust Partcle Dispersed in Polystyrene Resin |
| Sub Title (in English) | |
| Keyword(1) | Double Layered Electromagnetic Wave Absorbers |
| Keyword(2) | Wide band Absorption |
| Keyword(3) | Sendust Particles |
| Keyword(4) | polystyrene resin |
| Keyword(5) | Return Loss |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Seiki Umemoto |
| 1st Author's Affiliation | Doshisha University (doshisha Univ) |
| 2nd Author's Name | Takumi Kubota |
| 2nd Author's Affiliation | Doshisha University (doshisha Univ) |
| 3rd Author's Name | Takahiko Yoshida |
| 3rd Author's Affiliation | Doshisha University (doshisha Univ) |
| 4th Author's Name | Yuki Satou |
| 4th Author's Affiliation | Doshisha University (doshisha Univ) |
| 5th Author's Name | Shinzo Yoshikado |
| 5th Author's Affiliation | Doshisha University (doshisha Univ) |
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| Speaker | Author-1 |
| Date Time | 2016-12-15 16:40:00 |
| Presentation Time | 20 minutes |
| Registration for | MW |
| Paper # | MW2016-150 |
| Volume (vol) | vol.116 |
| Number (no) | no.363 |
| Page | pp.101-106 |
| #Pages | 6 |
| Date of Issue | 2016-12-08 (MW) |
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