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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SIS, ITE-BCT | 2022-10-13 14:15 |
Aomori | Hachinohe Institute of Technology (Primary: On-site, Secondary: Online) |
Toward Improving Speech Naturalness Introducing a Capsule Structure for Speech Enhancement Networks Reito Kasuga, Tetsuya Shimamura, Yosuke Sugiura, Nozomiko Yasui (Saitama Univ.)  SIS2022-12 |
Although the field of speech enhancement has been extensively studied around the world, phase tends to be neglected comp... [more] | SIS2022-12 pp.7-12 |
| 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 |
| US | 2021-11-26 14:15 |
Online | Online | 0.3 mm 10 MHz ScAlN thin plate ultrasonic transducer fabricated by sputtering growth Naoya Iwata, Takahiko Yanaigtani (Waseda Univ.) US2021-43 |
PZT (Pb(Zr,Ti)O3) ceramics and PMN-PT (Pb(Mg1/3Nb2/3)O3-PbTiO3) single crystals with large electromechanical coupling c... [more] |
US2021-43 pp.19-24 |
| MBE, NC (Joint) |
2020-12-18 15:40 |
Online | Online | Time-delayed LSTM for historical time series Prediction Rin Adachi, Jun Rokui (Univ of Shizuoka) NC2020-30 |
The research which applies machine learning to the social time series prediction is actively carried out. Among them, ma... [more] | NC2020-30 pp.13-18 |
| LQE, CPM, ED | 2020-11-27 15:20 |
Online | Online | MOVPE Growth on Low-dislocation-density AlN Templates with Nano-Striped Patterns and Crystalline-Quality Evaluations Yukino Iba, Kanako Shojiki, Shigeyuki Kuboya, Kenjiro Uesugi, Shiyu Xiao, Hideto Miyake (Mie Univ.) ED2020-24 CPM2020-45 LQE2020-75 |
We conducted metalorganic vapor phase epitaxial (MOVPE) growth of AlN films on face-to-face annealed sputtered AlN templ... [more] | ED2020-24 CPM2020-45 LQE2020-75 pp.91-94 |
| 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 |
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| US | 2020-11-05 15:45 |
Aichi | Resonant frequency shift and lattice strain of AlN and ScAlN SMR during DC bias voltage application caused by nonlinear effect Takumi Saotome, Takahiko Yanagitani (Waseda Univ.) US2020-49 |
Mobile communication device requires high power operation. Nonlinear signals such as second harmonic (H2) generation (SH... [more] | US2020-49 pp.34-39 |
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| 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 |
| US | 2020-09-28 15:15 |
Online | Online | Extraction of kt2 of HBAR by new conversion loss without acoustic losses in the substrate Ryota Tatsumi, Yanagitani Takahiko (Waseda Univ.) US2020-37 |
According to the IEEE standard, the resonance-antiresonance method for a self-standing film structure is recommended to ... [more] | US2020-37 pp.57-60 |
| CPM, LQE, ED | 2019-11-22 12:45 |
Shizuoka | Shizuoka Univ. (Hamamatsu) | Progress of UVC-LEDs using DC sputter AlN templates Yosuke Mogami (RIKEN/Saitama Univ.), Atsushi Osawa, Kazuto Ozaki, Yukitake Tanioka, Atsushi Maeoka (SCREEN), Yuri Itokazu, Syunsuke Kuwaba (RIKEN/Saitama Univ.), Masafumi Jo, Noritoshi Maeda (RIKEN), Hiroyuki Yaguchi (Saitama Univ.), Hideki Hirayama (RIKEN) ED2019-53 CPM2019-72 LQE2019-96 |
A high-quality AlN substrate or template is required to realize AlGaN-based UVC-LEDs which has a wide range of applicati... [more] | ED2019-53 CPM2019-72 LQE2019-96 pp.85-88 |
| CPM, LQE, ED | 2019-11-22 13:05 |
Shizuoka | Shizuoka Univ. (Hamamatsu) | Fabrication and optical characterization of ultrathin GaN quantum wells on AlN vicinal (0001) planes Mitsuru Funato, Hirotsugu Kobayashi, Yoichi Kawakami (Kyoto Univ.) ED2019-54 CPM2019-73 LQE2019-97 |
Ultra-thin GaN/AlN quantum wells at a mono-molecular layer (ML) level are fabricated on vicinal AlN (0001) substrates wi... [more] | ED2019-54 CPM2019-73 LQE2019-97 pp.89-92 |
| US | 2019-07-29 14:20 |
Hokkaido | Liquid viscoelasticity characterization by the complex reflection coefficient using quasi-shear mode c-axis tilted ScAlN thin film transducers Ryosuke Amano, Yui Yamakawa (Waseda Univ./ZAIKEN), Takahiko Yanagitani (Waseda Univ./ZAIKEN/JST-PREST) US2019-31 |
In the complex reflection measurement of liquid/solid interface, the low angle incidence of shear horizontal (SH) wave t... [more] | US2019-31 pp.19-23 |
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| US | 2018-10-04 12:40 |
Miyagi | Evaluation of fluid viscosity in the ultrahigh frequency range using quasi-shear mode c-axis tilted ScAlN thin film resonators Yui Yamakawa, Takumi Soutome, Rei Karasawa, Takahiko Yanagitani (Waseda Univ.) US2018-53 |
In the fluid viscosity evaluation based on the QCM (Quartz Crystal Microbalance), the quartz crystal plate is required t... [more] | US2018-53 pp.25-29 |
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| US | 2018-10-04 13:05 |
Miyagi | c-Axis tilted ScAlN film shear mode resonators for detection of biomolecular interactions in liquid Hana Yazaki, Takumi Soutome, Rei Karasawa (Waseda Univ.), Shinji Takayanagi (Nagoya Inst. Tech.), Kenji Yoshida (Chiba Univ.), TakahikoYanagitani (Waseda Univ.) US2018-54 |
Miniature and highly sensitive biosensors are required. c-Axis tilted ScAlN film resonator is suitable for sensing biomo... [more] | US2018-54 pp.31-35 |
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| ED, SDM | 2018-02-28 15:50 |
Hokkaido | Centennial Hall, Hokkaido Univ. | Construction of simulation for analyzing thermal conduction in nanostructures Naomi Yamashita, Yuya Ota, Ryo Nanao, Hiroshi Inokawa, Masaru Shimomura, Kenji Murakami, Hiroya Ikeda (Shizuoka Univ.) ED2017-112 SDM2017-112 |
With the aim of characterizing the thermal conductivity for nanometer-scale thermoelectric materials, we have constructe... [more] | ED2017-112 SDM2017-112 pp.35-38 |
| LQE | 2017-12-15 14:10 |
Tokyo | [Invited Talk]
Recent progress of AlGaN deep-UV LEDs Hideki Hirayama, Masafumi Jo, Noritoshi Maeda (RIKEN), Yukio Kashima (Marubun) LQE2017-91 |
AlGaN deep ultraviolet light-emitting diodes (DUV-LEDs) are attracting a great deal of attention, since they have the po... [more] | LQE2017-91 pp.21-26 |
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| LQE, CPM, ED | 2017-12-01 14:45 |
Aichi | Nagoya Inst. tech. | Homoepitaxial growth on sputtered AlN templates by MOVPE Ryo Yoshizawa, Yusuke Hayashi, Hideto Miyake, Kazumasa Hiramatsu (Mie Univ.) ED2017-66 CPM2017-109 LQE2017-79 |
AlN is a wide band gap semiconductor and has attracted attention as a material for deep UV light device because its ther... [more] | ED2017-66 CPM2017-109 LQE2017-79 pp.83-86 |
| CCS | 2017-08-11 09:30 |
Hokkaido | Bibai Onsen Yu-rinkan | Throughput Analysis of WLANs of the EDCA in Heterogeneous Condition Shintaro Ikuma, Hiroo Sekiya (Chiba Univ.) CCS2017-13 |
Vehicle-to-vehicle and road-to-vehicle communications adopt the EDCA(Enhanced Distributed Channel Access) protocol to ac... [more] | CCS2017-13 pp.19-24 |
| US | 2017-07-27 15:40 |
Okayama | Simultaneous viscosity evaluation in the MHz to GHz range by using shear mode HBAR consisting of ScAlN thin film/low TCF substrate Yui Yamakawa, Ko-hei Sano, Rei Karasawa (Waseda Univ.), Takahiko Yanagitani (Waseda Univ./JST) US2017-42 |
In order to study relaxation characteristics of viscoelasticity of the liquid, a wide frequency sweep in the range of MH... [more] | US2017-42 pp.61-66 |
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