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Paper Abstract and Keywords
Presentation 2025-05-14 11:00
A Fundamental Study on the Development of a Wideband Ultrasonic Sound Source Utilizing a Multilayer Piezoelectric Actuator
Haruki Takahashi, Hikaru Miura, Takuya Asami (Nihon Univ.) US2025-1
Abstract (in Japanese) (See Japanese page) 
(in English) Aerial ultrasonic testing is a non-destructive inspection method using ultrasonic waves. However, this method has a problem of low defect detectability due to the large reflection of ultrasonic waves on the object surface and low transmission into the interior. The authors have developed a broadband ultrasonic source that can be chirped driven in the frequency range of 20 kHz to 40 kHz and use signal processing to improve the above problems. In this paper, the aluminum film and ultrasonic actuator used in the broadband ultrasonic source are examined, and the ultrasonic source is driven at 40 kHz. The results showed that the vibration was amplified by the aluminum film.
Keyword (in Japanese) (See Japanese page) 
(in English) Airborne ultrasonic sound source / Multilayer piezoelectric actuator / Wideband / Chirp waves / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 19, US2025-1, pp. 1-4, May 2025.
Paper # US2025-1 
Date of Issue 2025-05-07 (US) 
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 US2025-1

Conference Information
Committee US  
Conference Date 2025-05-14 - 2025-05-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Surugadai Campus, Nihon University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Nonlinear acoustics, Ultrasonics, etc. 
Paper Information
Registration To US 
Conference Code 2025-05-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Fundamental Study on the Development of a Wideband Ultrasonic Sound Source Utilizing a Multilayer Piezoelectric Actuator 
Sub Title (in English)  
Keyword(1) Airborne ultrasonic sound source  
Keyword(2) Multilayer piezoelectric actuator  
Keyword(3) Wideband  
Keyword(4) Chirp waves  
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1st Author's Name Haruki Takahashi  
1st Author's Affiliation Nihon University (Nihon Univ.)
2nd Author's Name Hikaru Miura  
2nd Author's Affiliation Nihon University (Nihon Univ.)
3rd Author's Name Takuya Asami  
3rd Author's Affiliation Nihon University (Nihon Univ.)
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Speaker Author-1 
Date Time 2025-05-14 11:00:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2025-1 
Volume (vol) vol.125 
Number (no) no.19 
Page pp.1-4 
#Pages 4 
Date of Issue 2025-05-07 (US) 

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