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| Presentation | 2010-06-24 15:40 Development of Ultrasonic Diagnostic System Using Multiple Resonance Transducer Natsuki Yoshizumi, Iwaki Akiyama (Shonan Inst. of Tech.), Shigemi Saito (Tokai Univ.), Yuji Wada, Daisuke Koyama, Kentaro Nakamura (Tokyo Inst. of Tech.)  US2010-27 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We developed the multiple resonance transducer (MRT) formed by different thickness piezo elements, matching layer and backing layer. In this report, the MRT consisted of thin piezo elements with resonance frequencies of 2 MHz and thick piezo element with resonance frequency of 6 MHz. The MRT was excited by negative impulse waveform, and radiated ultrasonic waveform was measured by hydrophone at focal point. Its frequency characteristics had peaks at 1.5 MHz, 3.0 MHz, 4.6 MHz, 5.2 MHz, 5.9 MHz, 6.2 MHz, 7.9 MHz and 9.1 MHz. Peak at 6.2 MHz has maximum value. The MRT had band from 1.3 MHz to 9.1 MHz. To examine the advantage of the MRT, imaging of ultrasonic phantoms were performed by using many frequency components. From the results, speckle noise was effectively reduced from the ultrasonic images. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wideband / Transducer / Frequency compound / Laminated structure / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 91, US2010-27, pp. 77-82, June 2010. | |
| Paper # | US2010-27 | |
| Date of Issue | 2010-06-17 (US) | |
| 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 | US2010-27 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2010-06-24 - 2010-06-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | US |
| Conference Code | 2010-06-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Development of Ultrasonic Diagnostic System Using Multiple Resonance Transducer |
| Sub Title (in English) | |
| Keyword(1) | Wideband |
| Keyword(2) | Transducer |
| Keyword(3) | Frequency compound |
| Keyword(4) | Laminated structure |
| Keyword(5) | |
| Keyword(6) | |
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| 1st Author's Name | Natsuki Yoshizumi |
| 1st Author's Affiliation | Shonan Institute of Technology (Shonan Inst. of Tech.) |
| 2nd Author's Name | Iwaki Akiyama |
| 2nd Author's Affiliation | Shonan Institute of Technology (Shonan Inst. of Tech.) |
| 3rd Author's Name | Shigemi Saito |
| 3rd Author's Affiliation | Tokai University (Tokai Univ.) |
| 4th Author's Name | Yuji Wada |
| 4th Author's Affiliation | Tokyo Insutitute of Technology (Tokyo Inst. of Tech.) |
| 5th Author's Name | Daisuke Koyama |
| 5th Author's Affiliation | Tokyo Insutitute of Technology (Tokyo Inst. of Tech.) |
| 6th Author's Name | Kentaro Nakamura |
| 6th Author's Affiliation | Tokyo Insutitute of Technology (Tokyo Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2010-06-24 15:40:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2010-27 |
| Volume (vol) | vol.110 |
| Number (no) | no.91 |
| Page | pp.77-82 |
| #Pages | 6 |
| Date of Issue | 2010-06-17 (US) |
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