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| Presentation | 2011-04-22 13:30 Evaluation of Pyramidal Absorbers Produced by Roof-tile Smoking Process at Microwave and Millimeter regions Shinichiro Yamamoto, Norihito Yamashita, Tatsuya Nakamura, Kenichi Hatakeyama (Univ. of Hyogo), Mika Hirose (Matsuoka Roofing Inc.), Satoshi Yoshiuchi (Touhoku Chemical Industries)  EMCJ2011-2 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, the absorption properties of pyramidal shaped EM-wave absorber produced by roof-tile smoking process are discussed. In the smoking process, the carbon-coated layer having good electrical conductivity is formed on a dry-shaping pyramid surface made of roof tile clay. It has a superior long-term stability similar to that of roof tile and thermal stability against radiation heating. In this study, the absorption characteristics of the smoked roof-tile pyramidal EM absorbers were measured at microwave and millimeter-wave regions. Absorption characteristics depend on the surface resistance of pyramidal absorber. The relationship between EM-wave absorption and surface conductivity at millimeter-wave region are discussed. Next, absorption characteristics are calculated by FDTD (Finite Difference Time Domain) method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Roof-tile Smoking Process / Pyramidal Shaped EM-wave Absorber / Surface Resistance / Reflection Coefficient / Microwave / Millimeter-wave / FDTD Method / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 18, EMCJ2011-2, pp. 7-12, April 2011. | |
| Paper # | EMCJ2011-2 | |
| Date of Issue | 2011-04-15 (EMCJ) | |
| 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 | EMCJ2011-2 |
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| Conference Information | |
| Committee | EMCJ |
| Conference Date | 2011-04-22 - 2011-04-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | University of Hyogo |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Countermeasure, EMC, etc. |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2011-04-EMCJ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Evaluation of Pyramidal Absorbers Produced by Roof-tile Smoking Process at Microwave and Millimeter regions |
| Sub Title (in English) | |
| Keyword(1) | Roof-tile Smoking Process |
| Keyword(2) | Pyramidal Shaped EM-wave Absorber |
| Keyword(3) | Surface Resistance |
| Keyword(4) | Reflection Coefficient |
| Keyword(5) | Microwave |
| Keyword(6) | Millimeter-wave |
| Keyword(7) | FDTD Method |
| Keyword(8) | |
| 1st Author's Name | Shinichiro Yamamoto |
| 1st Author's Affiliation | University of Hyogo (Univ. of Hyogo) |
| 2nd Author's Name | Norihito Yamashita |
| 2nd Author's Affiliation | University of Hyogo (Univ. of Hyogo) |
| 3rd Author's Name | Tatsuya Nakamura |
| 3rd Author's Affiliation | University of Hyogo (Univ. of Hyogo) |
| 4th Author's Name | Kenichi Hatakeyama |
| 4th Author's Affiliation | University of Hyogo (Univ. of Hyogo) |
| 5th Author's Name | Mika Hirose |
| 5th Author's Affiliation | Matsuoka Roofing Inc. (Matsuoka Roofing Inc.) |
| 6th Author's Name | Satoshi Yoshiuchi |
| 6th Author's Affiliation | Touhoku Chemical Industries, Ltd (Touhoku Chemical Industries) |
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| Speaker | Author-1 |
| Date Time | 2011-04-22 13:30:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2011-2 |
| Volume (vol) | vol.111 |
| Number (no) | no.18 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2011-04-15 (EMCJ) |
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