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Paper Abstract and Keywords
Presentation 2018-03-01 15:05
[Poster Presentation] Relationship of Structure and Characteristics of On-Chip Multi-Layered Inductors
Akira Tsuchiya (Univ. Shiga Prefecture) MW2017-183 ICD2017-107
Abstract (in Japanese) (See Japanese page) 
(in English) This paper illustrates characteristics exploration of on-chip multi-layered inductors. Multi-layered inductor uses
not only thick top metal but also thin lower metal layers. The parasitic resistance in the lower metal layers make the Q-factor
smaller, but the footprint becomes small. Thus multi-layered inductors are useful for inductive peaking because the area is
important rather than the Q-factor. Multi-layered inductor needs extra design parameters in addition to that of spiral inductors.
We have to decide the number of turns in each layer and the number of layers as well as the radius, wire width and the total
number of turns. This makes it difficult to predict the characteristics. Therefore there is a barrier to employ multi-layered
inductors although it has a big advantage in the area. We investigate the characteristics of about 5,000 patterns of the inductor
structure by a 3D field-solver. To reduce the calculation cost, we use static electromagnetic simulation and ignore the effect of
conductive substrate. The results might have some error with real devices on silicon, however the data provides guideline for
designers to decide the structure of multi-layered inductors.
Keyword (in Japanese) (See Japanese page) 
(in English) on-chip inductor / multi-layered inductor / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 463, ICD2017-107, pp. 51-51, March 2018.
Paper # ICD2017-107 
Date of Issue 2018-02-22 (MW, ICD) 
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 MW2017-183 ICD2017-107

Conference Information
Committee ICD MW  
Conference Date 2018-03-01 - 2018-03-02 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Shiga Prefecture 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave Integrated Circuit/Microwave Technologies 
Paper Information
Registration To ICD 
Conference Code 2018-03-ICD-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Relationship of Structure and Characteristics of On-Chip Multi-Layered Inductors 
Sub Title (in English)  
Keyword(1) on-chip inductor  
Keyword(2) multi-layered inductor  
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1st Author's Name Akira Tsuchiya  
1st Author's Affiliation The University of Shiga Prefecture (Univ. Shiga Prefecture)
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Speaker Author-1 
Date Time 2018-03-01 15:05:00 
Presentation Time 5 minutes 
Registration for ICD 
Paper # MW2017-183, ICD2017-107 
Volume (vol) vol.117 
Number (no) no.462(MW), no.463(ICD) 
Page p.51 
#Pages 1 
Date of Issue 2018-02-22 (MW, ICD) 

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