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Paper Abstract and Keywords
Presentation 2007-01-18 13:00
*
Futoshi Kuroki, Kazuya Miyamoto, Ryo-ta Masumoto, Ryo-ji Tamaru (Kure Nat'l Coll of Tech) Link to ES Tech. Rep. Archives: ED2006-217 MW2006-170
Abstract (in Japanese) (See Japanese page) 
(in English) Since surfaces of dielectric substrates for printed boards are usually roughened to make tight copper-coating, it was found out that an effective conductivity of a surface of the copper foil, attaching on the dielectric substrate, more degraded than that of an opposite surface of the copper foil, facing an air region, at frequency range beyond centimeter waves. To overcome such difficulty, a technique to reduce transmission losses was devised for printed transmission lines at millimeter-wave frequencies. By symmetrically-loading metal patterns on both sides of the dielectric substrate and by biasing equi-voltage to both metal patterns, the current density on the under surface of the metal pattern decreases, and thus the transmission loss is relatively unaffected by the roughness of the dielectric surfaces. Based on this consideration, a bilaterally metal-loaded tri-plate strip transmission line was fabricated and its unloaded Q factor was measured at 60 GHz, compared with that of a unilaterally metal-loaded tri-plate transmission line. The Q factor of the bilaterally metal-loaded tri-plate transmission line was measured to be 700, while that of the unilaterally metal loaded tri-plate strip transmission line was 200. From the theoretical and experimental investigation, effectiveness of the proposed technique was confirmed.
Keyword (in Japanese) (See Japanese page) 
(in English) printed transmission line / low-loss / tri-plate strip transmission line / microwaves / millimater-waves / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 460, MW2006-170, pp. 95-98, Jan. 2007.
Paper # MW2006-170 
Date of Issue 2007-01-10 (ED, MW) 
ISSN Print edition: ISSN 0913-5685
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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 Link to ES Tech. Rep. Archives: ED2006-217 MW2006-170

Conference Information
Committee MW ED  
Conference Date 2007-01-17 - 2007-01-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MW 
Conference Code 2007-01-MW-ED 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English)
Sub Title (in English)  
Keyword(1) printed transmission line  
Keyword(2) low-loss  
Keyword(3) tri-plate strip transmission line  
Keyword(4) microwaves  
Keyword(5) millimater-waves  
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1st Author's Name Futoshi Kuroki  
1st Author's Affiliation Kure National College of Technology (Kure Nat'l Coll of Tech)
2nd Author's Name Kazuya Miyamoto  
2nd Author's Affiliation Kure National College of Technology (Kure Nat'l Coll of Tech)
3rd Author's Name Ryo-ta Masumoto  
3rd Author's Affiliation Kure National College of Technology (Kure Nat'l Coll of Tech)
4th Author's Name Ryo-ji Tamaru  
4th Author's Affiliation Kure National College of Technology (Kure Nat'l Coll of Tech)
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Speaker Author-2 
Date Time 2007-01-18 13:00:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # ED2006-217, MW2006-170 
Volume (vol) vol.106 
Number (no) no.459(ED), no.460(MW) 
Page pp.95-98 
#Pages
Date of Issue 2007-01-10 (ED, MW) 


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