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Paper Abstract and Keywords
Presentation 2026-01-27 12:55
[Invited Talk] Using 3D printers and CNC milling machines for the development of liquid crystal millimeter-wave devices
Masaki Tanaka (NIT, Akita College) SR2025-75
Abstract (in Japanese) (See Japanese page) 
(in English) The importance of millimeter-wave technology in the fields of communications and sensing is increasing, and there is a demand for devices with higher performance, lower power consumption, smaller size, and lower cost. Liquid crystals used as display materials exhibit relatively large dielectric anisotropy, refractive index anisotropy, and electro-optic effects in the millimeter-wave and microwave regions. Applications of liquid crystals to control devices in these regions have been attempted. Artificial structures with subwavelength-scale microstructures are known to exhibit unique properties for specific electromagnetic frequencies. Since millimeter waves have wavelengths of several millimeters, the basic elements composing these artificial structures are approximately several hundred micrometers in size, making them possible to fabricate using typical machining processes. This presentation introduces the use of conductive polymers, 3D printers, and milling machines for the development of millimeter-wave control devices utilizing liquid crystals.
Keyword (in Japanese) (See Japanese page) 
(in English) Liquid crystal / Millimeter wave / Conductive polymer / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 336, SR2025-75, pp. 60-60, Jan. 2026.
Paper # SR2025-75 
Date of Issue 2026-01-19 (SR) 
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 SR2025-75

Conference Information
Committee SR  
Conference Date 2026-01-26 - 2026-01-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Yamagata Terrsa 
Topics (in Japanese) (See Japanese page) 
Topics (in English) AI/machine learning, IoT, Distributed networking, general topics 
Paper Information
Registration To SR 
Conference Code 2026-01-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Using 3D printers and CNC milling machines for the development of liquid crystal millimeter-wave devices 
Sub Title (in English)  
Keyword(1) Liquid crystal  
Keyword(2) Millimeter wave  
Keyword(3) Conductive polymer  
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1st Author's Name Masaki Tanaka  
1st Author's Affiliation National Institute of Technology, Akita College (NIT, Akita College)
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Speaker Author-1 
Date Time 2026-01-27 12:55:00 
Presentation Time 50 minutes 
Registration for SR 
Paper # SR2025-75 
Volume (vol) vol.125 
Number (no) no.336 
Page p.60 
#Pages 1 
Date of Issue 2026-01-19 (SR) 

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