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Paper Abstract and Keywords
Presentation 2022-12-22 16:50
[Poster Presentation] A method for evaluating acoustic Bragg reflector by GHz pulse echo technique with SiO2 delay line
Keita Kondo, Naoki Ishii, Motoshi Suzuki (Waseda Univ.), Takahiko Yanagitani (Waseda Univ. /JST) US2022-65
Abstract (in Japanese) (See Japanese page) 
(in English) Experimental data of the sole Bragg reflector is difficult to be measured. This is because the property of a piezoelectric layer on Bragg reflector and that of the sole Bragg reflector is measured simultaneously in the standard impedance measurement. In this study, the method to evaluate the acoustic transmission loss for longitudinal wave and shear wave of the sole Bragg reflector by using pulse echo technique with SiO2 delay line is proposed.
Keyword (in Japanese) (See Japanese page) 
(in English) SMR / Bragg reflector / pulse echo technique / c-Axis tilted ScAlN film / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 323, US2022-65, pp. 80-85, Dec. 2022.
Paper # US2022-65 
Date of Issue 2022-12-15 (US) 
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)
Download PDF US2022-65

Conference Information
Committee EA US  
Conference Date 2022-12-22 - 2022-12-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Satellite Campus Hiroshima 
Topics (in Japanese) (See Japanese page) 
Topics (in English) [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonics, etc. 
Paper Information
Registration To US 
Conference Code 2022-12-EA-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A method for evaluating acoustic Bragg reflector by GHz pulse echo technique with SiO2 delay line 
Sub Title (in English)  
Keyword(1) SMR  
Keyword(2) Bragg reflector  
Keyword(3) pulse echo technique  
Keyword(4) c-Axis tilted ScAlN film  
1st Author's Name Keita Kondo  
1st Author's Affiliation Waseda University/ZAIKEN (Waseda Univ.)
2nd Author's Name Naoki Ishii  
2nd Author's Affiliation Waseda University/ZAIKEN (Waseda Univ.)
3rd Author's Name Motoshi Suzuki  
3rd Author's Affiliation Waseda University/ZAIKEN (Waseda Univ.)
4th Author's Name Takahiko Yanagitani  
4th Author's Affiliation Waseda University/ZAIKEN/JST-CREST/JST-FOREST (Waseda Univ. /JST)
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Speaker Author-1 
Date Time 2022-12-22 16:50:00 
Presentation Time 120 minutes 
Registration for US 
Paper # US2022-65 
Volume (vol) vol.122 
Number (no) no.323 
Page pp.80-85 
Date of Issue 2022-12-15 (US) 

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