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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| US | 2022-07-29 13:30 |
Fukuoka | Kyushu Univ. (Chikushi Campus) | Thin ultrasound touchless sensor using flexural vibration Natsumi Nakaoka, Eimei Yamamoto, Daisuke Koyama (Doshisha Univ.)  US2022-22 |
This paper investigates a method to detect the position of an object in front of an ultrasonic vibrator using changes in... [more] | US2022-22 pp.12-16 |
| US | 2022-05-19 14:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Transfer matrix simulation of Langevin type transducer driving including the nonlinear effect Kota Yokoyama (The Univ. of Tokyo/NGK Spark Plug), Takashi Kamashima (NGK Spark Plug), Susumu Miyake, Takeshi Morita (The Univ. of Tokyo) US2022-7 |
Bolt-clamped Langevin transducer are widely used for high-power applications; however, saturation of vibration velocity ... [more] | US2022-7 pp.26-31 |
| CPM | 2022-03-01 13:45 |
Online | Online | Characteristics of K0.48Na0.52NbO3 - Bi0.5Na0.5(Zr,Sn)O3 ceramics Reika Ogoshi, Noriko Bamba (Shinshu Univ) CPM2021-74 |
In this study, 0.9625K0.48Na0.52NbO3-xBi0.5Na0.5SnO3-(0.0375-x)Bi0.5Na0.5ZrO3(x=0~0.025) were fabricated in order to obt... [more] | CPM2021-74 pp.11-12 |
| EE | 2022-01-27 10:30 |
Online | Online | Design and Experimental Verification of Biomedical Ultrasound WPT System Using Impedance Matching Transformer-less Multi-resonant Tank Sho Yokoi, Tomokazu Mishima (Kobe Univ.) EE2021-32 |
A ultrasound wireless power transfer (UWPT) system for implantable medical devices has been originally developing by the... [more] | EE2021-32 pp.6-11 |
| EST | 2022-01-27 10:40 |
Online | Online | Technology for understanding road conditions using IoT sensors Keisuke Kako, Akihiro Tsuno, Hideaki Kimura (Chubu Univ) EST2021-59 |
In the past, both in disaster and normal time, road conditions have been assessed by on-site technologies in which engin... [more] | EST2021-59 pp.15-18 |
| US | 2022-01-25 11:25 |
Online | Online | Transversal type BAW filter based on c-axis zig-zag polarization inverted ScAlN multilayers Kota Izumi, Takahiko Yanagitani (Waseda Univ.) US2021-59 |
Surface acoustic wave (SAW) transversal type filter is attractive because of their independent control of amplitude and ... [more] | US2021-59 pp.5-10 |
| CPM | 2021-10-27 16:00 |
Online | Online | Characteristics of K0.45Na0.55NbO3 ceramics fabricated from a mixed powder of K0.4Na0.6NbO3 and K0.5Na0.5NbO3 Tomoki Saikyo, Ryo Kobayashi, Noriko Bamba (Shinshu Univ.) CPM2021-33 |
In order to improve the piezoelectric constant, d33, of K0.45Na0.55NbO3 ceramics, which is a typical base material compo... [more] | CPM2021-33 pp.51-56 |
| HPB (2nd) |
2021-09-28 15:50 |
Online | Online | Fundamental Study on Measurement of Electric field Around Electric wires with Piezoelectric film Shunkichi Takamatsu (NITTC), Takaya Yoshitake (UEC), Shinichiro Mito (NITTC) |
An inexpensive non-metal-contact voltage measurement has been attracting much attention, since voltage of a commercial p... [more] | |
| ED, IEE-BMS, IEE-MSS | 2021-08-06 15:50 |
Online | Online | AC Poling and Spurious Vibrations in Pb(Mg1/3Nb2/3)O3-PbTiO3 Piezoelectric Single Crystals Tomoaki Karaki, Yiqin Sun, Yohachi Yamashita (Toyama. Pref. Univ.) ED2021-14 |
It has been reported that compared with DC poling (DCP), the AC poling (ACP) could significantly improve the dielectric ... [more] | ED2021-14 pp.13-16 |
| ED, SDM, CPM | 2021-05-27 15:00 |
Online | Online | Electromotive force characteristic of piezoelectric/thermoelectric-combined power generator Naoki Kawamura, Kotomu Naito, Yasuhiro Hayakawa, Kenji Murakami, Masaru Shimomura, Hiroya Ikeda (Shizuoka Univ.) ED2021-5 CPM2021-5 SDM2021-16 |
We have investigated the electromotive force (EMF) of a composite sample consisting of a π-type thermoelectric power gen... [more] | ED2021-5 CPM2021-5 SDM2021-16 pp.19-22 |
| EA, US, SP, SIP, IPSJ-SLP [detail] | 2021-03-03 09:00 |
Online | Online | Transmission characteristics of low profile airborne ultrasonic transducer Kohei Shida, Yuji Wada, Kentaro Nakamura (Tokyo Tech) US2020-77 |
Application area of airborne ultrasound has been extending from sensing to non-contact manipulation of small objects and... [more] | US2020-77 pp.1-6 |
| US | 2021-01-29 14:15 |
Online | Online | Attempt of simple Brillouin scattering measurement using excited phonons Shuhei Nishikawa, Shuto Inamoto, Shoya Ueno, Mami Matsukawa (Doshisha Univ) US2020-59 |
By observing Brillouin light scattering, the longitudinal and transverse wave velocities in the GHz range can be measure... [more] | US2020-59 pp.9-14 |
| EE | 2021-01-25 15:20 |
Online | Online (Zoom) | A Study on Design of High Frequency Inverter in Medical Non-contact Power Transmission System Using Ultrasonic Vibration Sho Yokoi, Tomokazu Mishima (Kobe Univ.) EE2020-35 |
In recent years, a Wireless Power Transmission System (WPT) has been attracting much attention and is required to be dev... [more] | EE2020-35 pp.63-68 |
| US | 2020-12-14 15:15 |
Online | Online | Non-contact bolt loosening detection by remotely exciting a piezoelectric element bonded to a bolt Kazuhiko Hasebe, Yuji Wada, Kentaro Nakamura (Tokyo Tech) US2020-53 |
Regular inspection of bolts is important for maintaining structures, and a simple inspection method is required. A non-c... [more] | US2020-53 pp.18-23 |
| US | 2020-11-05 13:00 |
Aichi | Effect of negative ion bombardment increased in low-pressure sputtering deposition on crystallinity and piezoelectric property of ScAlN thin film Takumi Tominaga, Shinji Takayanagi (Doshisha Univ.), Takahiko Yanagitani (Waseda Univ.) US2020-43 |
Since the ScAlN film has much higher piezoelectric response than the AlN film, it is expected to be applied to BAW devic... [more] | US2020-43 pp.1-6 |
|
| SDM | 2020-10-22 15:20 |
Online | Online | Lattice Matching and X-ray Structural Analysis of Ferroelectric Thin Film BiFeO3 Fuminobu Imaizumi, Rikuto Nakada (NIT, Oyama College) SDM2020-20 |
With the increasing use of Internet of Things in various domains, which has led to an increase in the number of sensors ... [more] | SDM2020-20 pp.30-33 |
| US | 2020-09-28 14:25 |
Online | Online | c-Axis tilted ScAlN film piezoelectric transformer in the UHF range Sarina Kinoshita (Waseda Univ./ZAIKEN), Takahiko Yanagitani (Waseda Univ./ZAIKEN/JST CREST) US2020-35 |
Battery-less sensors require energy harvesting from the ambient environment. RF-DC conversion with a rectifying antenna ... [more] | US2020-35 pp.45-50 |
| US | 2020-09-28 14:50 |
Online | Online | Effect of negative ions generated from ScAl sputtering targets on kt2 and crystal orientation of ScAlN thin films Rui Kihara (Waseda Univ.), Shinji Takayanagi (Doshisha Univ.), Takahiko Yanagitani (Waseda Univ.) US2020-36 |
ScAlN thin films with large electromechanical coupling coefficient have been attracting attention for the application to... [more] | US2020-36 pp.51-56 |
| EA, US (Joint) |
2020-01-22 10:30 |
Kyoto | Doshisha Univ. | [Poster Presentation]
Development of evaluation system for cerebral artery occlusion using pulse wave at carotid artery Natsuko Itai, Hiroto Shimizu, Takuma Shimada, Mami Matsukawa (Doshisha Univ.), Yasuyo Kobayashi (Nara Medical Univ.), Kozue Saito (Nara Medical Univ./NCVC), Hiroshi Yamagami (Osaka National Hospital/NCVC) US2019-71 EA2019-84 |
The purpose of this study is the development of system to evaluate cerebral artery occlusion easily. Ischemic cerebrovas... [more] | US2019-71 EA2019-84 pp.7-11 |
| EA, US (Joint) |
2020-01-22 10:30 |
Kyoto | Doshisha Univ. | [Poster Presentation]
Evaluation of particle distribution using resonance flexural vibration modes of a circular disc Daiko Sakata, Masaya Saeki, Takashi Misaki, Daisuke Koyama, Mami Matsukawa (Doshisha Univ.) US2019-80 EA2019-93 |
Sand and small stones moving on riverbeds cause topographical changes such as local lowing and scouring. Measurement of ... [more] | US2019-80 EA2019-93 pp.57-62 |
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