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Paper Abstract and Keywords
Presentation 2018-05-25 14:00
Study on Complex Permitting of Printed Circuit Board Material and Transmission Characteristics at GHz Band
Ren Kitahara, Taiki Yamagiwa (NIT,Nagano College), Masahiro Tomioka (Akita Univ.), Atsushi Nakamura (UTI), Hideki Takeuchi (Nagano Pref. General Industrial Tech Center), Takashi Kasuga (NIT,Nagano College) EMCJ2018-7
Abstract (in Japanese) (See Japanese page) 
(in English) Due to the frequency dispersion of the dielectric constant of the printed circuit board in the GHz band, it is a factor of signal attenuation and mismatch. In this report, the complex permittivity of five kinds of FR-4 dielectric substrates is measured by the balanced disk resonator method, and the transmission characteristic Sdd21 is calculated from the complex permittivity obtained from the dielectric constant measurement. By comparing with the transmission characteristic Sdd21 measured by a Vector Network Analyzer (VNA), the relationship between the complex permittivity and the transmission characteristics was studied. In the complex permittivity measurement by the balanced disk resonator method, it was possible to measure with less error even with 10 GHz or more by the measurement method using a standard copper plate. The transmission characteristic Sdd21 calculated from the dielectric constant measurement coincided with the measurement result by VNA within 1 dB. The difference of Sdd21 between substrates was 1dB or less in terms of line length of 100 mm, and it was found that the difference between manufacturer and thickness was small. In addition, it became clear that the difference in dielectric loss affects the transmission characteristics.
Keyword (in Japanese) (See Japanese page) 
(in English) GHz band / Printed circuit board material / Complex permittivity / Transmission characteristics / Balanced disk resonator method / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 66, EMCJ2018-7, pp. 7-12, May 2018.
Paper # EMCJ2018-7 
Date of Issue 2018-05-18 (EMCJ) 
ISSN 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 IEE-EMC  
Conference Date 2018-05-25 - 2018-05-25 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) EMC 
Paper Information
Registration To EMCJ 
Conference Code 2018-05-EMCJ-EMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Complex Permitting of Printed Circuit Board Material and Transmission Characteristics at GHz Band 
Sub Title (in English)  
Keyword(1) GHz band  
Keyword(2) Printed circuit board material  
Keyword(3) Complex permittivity  
Keyword(4) Transmission characteristics  
Keyword(5) Balanced disk resonator method  
1st Author's Name Ren Kitahara  
1st Author's Affiliation National Institute of Technology, Nagano College (NIT,Nagano College)
2nd Author's Name Taiki Yamagiwa  
2nd Author's Affiliation National Institute of Technology, Nagano College (NIT,Nagano College)
3rd Author's Name Masahiro Tomioka  
3rd Author's Affiliation Akita University (Akita Univ.)
4th Author's Name Atsushi Nakamura  
4th Author's Affiliation Ultimate Technologies Incorporated (UTI)
5th Author's Name Hideki Takeuchi  
5th Author's Affiliation Nagano Prefecture General Industrial Technology Center (Nagano Pref. General Industrial Tech Center)
6th Author's Name Takashi Kasuga  
6th Author's Affiliation National Institute of Technology, Nagano College (NIT,Nagano College)
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Speaker Author-1 
Date Time 2018-05-25 14:00:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2018-7 
Volume (vol) vol.118 
Number (no) no.66 
Page pp.7-12 
Date of Issue 2018-05-18 (EMCJ) 

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