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Paper Abstract and Keywords
Presentation 2025-07-10 10:00
Microwave Characterization CPW Lines Using Copper Ink
Shin Yokomura, Daisuke Yasunobu, Kenjiro Nishikawa (Kagoshima Univ.), Sakaki Hiroto (Mitsubishi Electric) EMT2025-22 MW2025-35 OPE2025-25 EST2025-21 MWPTHz2025-35
Abstract (in Japanese) (See Japanese page) 
(in English) This paper evaluates coplanar waveguides (CPWs) on polyimide substrates fabricated using production-level printed electronics (PE) technology with copper powders. Printed electronics technology involves printing metal powders onto substrates and forming metal patterns on the substrate, enabling the low-cost mass production of electronic circuits. However, there are few reported demonstrations of microwave circuits using printed electronics substrates. Therefore, in this study, measurements and evaluations of CPW were conducted up to 20 GHz. As a result, the transmission loss per millimeter at 20 GHz was found to be comparable to that of CPW lines formed on conventional substrates, such as Alumina, and those formed using inkjet-based manufacturing processes with silver particles.
Keyword (in Japanese) (See Japanese page) 
(in English) Microwave / Coplanar Waveguide / Printed Electronics Technology / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 109, MW2025-35, pp. 68-71, July 2025.
Paper # MW2025-35 
Date of Issue 2025-07-03 (EMT, MW, OPE, EST, MWPTHz) 
ISSN 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 EMT2025-22 MW2025-35 OPE2025-25 EST2025-21 MWPTHz2025-35

Conference Information
Committee EMT OPE EST MWPTHz MW IEE-EMT  
Conference Date 2025-07-10 - 2025-07-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Okhotsk JA Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Workshop on Optical and Microwave technologies 
Paper Information
Registration To MW 
Conference Code 2025-07-EMT-OPE-EST-MWPTHz-MW-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Microwave Characterization CPW Lines Using Copper Ink 
Sub Title (in English)  
Keyword(1) Microwave  
Keyword(2) Coplanar Waveguide  
Keyword(3) Printed Electronics Technology  
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1st Author's Name Shin Yokomura  
1st Author's Affiliation Kagoshima University (Kagoshima Univ.)
2nd Author's Name Daisuke Yasunobu  
2nd Author's Affiliation Kagoshima University (Kagoshima Univ.)
3rd Author's Name Kenjiro Nishikawa  
3rd Author's Affiliation Kagoshima University (Kagoshima Univ.)
4th Author's Name Sakaki Hiroto  
4th Author's Affiliation Information Technology R&D Center, Mitsubishi Electric (Mitsubishi Electric)
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Speaker Author-1 
Date Time 2025-07-10 10:00:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # EMT2025-22, MW2025-35, OPE2025-25, EST2025-21, MWPTHz2025-35 
Volume (vol) vol.125 
Number (no) no.108(EMT), no.109(MW), no.110(OPE), no.111(EST), no.112(MWPTHz) 
Page pp.68-71 
#Pages 4 
Date of Issue 2025-07-03 (EMT, MW, OPE, EST, MWPTHz) 

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