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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| ED, CPM, LQE | 2021-11-25 15:25 |
Online | Online | Optical characterization of c-plane Al0.83In0.17N/GaN lattice-matched heterostructures Liyang Li, Kohei Shima (Tohoku Univ.), Mizuki Yamanaka (Nagoya Inst. Tech.), Kazunobu Kojima (Tohoku Univ.), Takashi Egawa (Nagoya Inst. Tech.), Akira Uedono (Univ. of Tsukuba), Ishibashi Shoji (AIST), Tetsuya Takeuchi (Meijo Univ.), Makoto Miyoshi (Nagoya Inst. Tech.), Shigefusa Chichibu (Tohoku Univ.)  ED2021-24 CPM2021-58 LQE2021-36 |
Room-temperature (RT) time-resolved photoluminescence (PL) and spatially resolved cathodoluminescence (CL) measurements ... [more] | ED2021-24 CPM2021-58 LQE2021-36 pp.45-50 |
| LQE, CPM, ED | 2020-11-27 15:40 |
Online | Online | High-efficiency light emissions by plasmonic nano-cavities and applications to quantum devices Koichi Okamoto, Seiya Kaito, Kohei Shimanoe, Fumiya Murao, Tetsuya Matsuyama, Kenji Wada (Osaka Pref. Univ.), Mitsuru Funato, Yoichi Kawakami (Kyoto Univ.) ED2020-25 CPM2020-46 LQE2020-76 |
Resonance with excitons in light-emitting materials and plasmon nano-cavities brings enhancements of the spontaneous emi... [more] | ED2020-25 CPM2020-46 LQE2020-76 pp.95-98 |
| MW, WPT | 2018-04-27 13:30 |
Tokyo | Kikai-Shinko-Kaikan Building | Wireless Power Transfer Using 28GHz Rectennas For Drone Of Fixed Positions Satoru Suganuma (Univ. Tsukuba), Duc Hung Nguyen (Univ. Nagoya), Kohei Shimamura (Univ. Tsukuba), Koichi Mori (Univ. Nagoya), Shigeru Yokota (Univ. Tsukuba) WPT2018-2 MW2018-2 |
We make the program of indoor flight and the rectenna systems to realize drones without battery. First, we make the 28GH... [more] | WPT2018-2 MW2018-2 pp.5-7 |
| WPT | 2018-03-02 15:50 |
Kyoto | Kyoto Univ. Uji Campus | Experiment 303 GHz rectenna using gyrotron Shunsuke Minakawa, Sei Mizojiri, Kohei Shimamura, Shigeru Yokota (Univ. Tsukuba), Teruo Saito, Yoshinori Tatematsu, Yusuke Yamaguchi, Masafumi Fukunari (Univ. Fukui) WPT2017-76 |
We designed A rectenna of 303 GHz. MSL type, input power 342 mW, load resistance 130 Ω, maximum rectification efficienc... [more] | WPT2017-76 pp.45-49 |
| WPT (2nd) |
2017-12-09 - 2017-12-11 |
Overseas | National University of Singapore(AWPT2017) | High Power and Long Distance Microwave WPT using 300kW Gyrotron at 28GHz Masatoshi Suzuki, Maho Matsukura, Kohei Shimamura, Shigeru Yokota, Tsuyoshi kariya, Ryutaro Minami, Shunsuke Minakawa, Satoru Suganuma, Sei Mizojiri (Tsukuba Univ.) |
A Gyrotron, as high power millimeter wave oscillator, is used in various fields such as CVD, medical application, and s... [more] | |
| WPT, EMCJ (Joint) |
2017-11-21 16:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | 28GHz wireless power transfer demonstration using a 300 kW Gyrotron Maho Matsukura, Masatoshi Suzuki, Kohei Shimamura, Ryutaro Minami, Tsuyoshi Kariya, Shigeru Yokota (Univ. of Tsukuba) WPT2017-52 |
A gyrotron that generates high-power millimeter-wave is used mainly in nuclear fusion research, these days used in vario... [more] | WPT2017-52 pp.45-48 |
| WPT, MW | 2017-04-28 13:35 |
Tokyo | Kikai-Shinko Kaikan, B2-1 | Development of millimeter wave rectifier by MEMS technology Shunsuke Minakawa (Tsukuba Univ.), Kosumo Matsui (Tokyo Univ.), Masatoshi Suzuki, Kohei Shimamura (Tsukuba Univ.), Kimiya Komurasaki (Tokyo Univ.) WPT2017-1 MW2017-1 |
We developed a rectifier circuit of 94GHz by MEMS, and got 38±8% of rectification efficiency at the time of 104 mW, load... [more] | WPT2017-1 MW2017-1 pp.1-4 |
| MW, WPT | 2016-04-21 13:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Wireless Power Transfer using Magnetic Resonance with Multiple Switching Receivers Naoki Kuwabara, Kohei Shimamura, Shigeru Yokota (Univ. of Tsukuba) WPT2016-5 MW2016-5 |
[more] | WPT2016-5 MW2016-5 pp.23-25 |
| WPT, MW | 2015-04-17 09:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Wireless power transmission into the metal tube with axial slit Kohei Shimamura (Univ. Tsukuba), Kimiya Komurasaki (UT) WPT2015-8 MW2015-8 |
Wireless power transfer using a metallic tube with axially slit was attempted to demonstrate WPT using magnetic resonanc... [more] | WPT2015-8 MW2015-8 pp.39-44 |
| SDM | 2015-03-02 15:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg | [Invited Talk]
Sub-nanoscale Structure and Barrier Performance of CVD-Cu(Mn)/ALD-Co(W) Interconnect System Proved Using 3D Atom Probe Kohei Shima (The Univ. of Tokyo), Yuan Tu, Bin Han, Hisashi Takamizawa (Tohoku Univ.), Hideharu Shimizu (The Univ. of Tokyo), Yasuo Shimizu (Tohoku Univ.), Takeshi Momose (The Univ. of Tokyo), Koji Inoue, Yasuyoshi Nagai (Tohoku Univ.), Yukihiro Shimogaki (The Univ. of Tokyo) SDM2014-169 |
We propose new materials system of a single layered Co(W) barrier/liner layer coupled with a Cu(Mn) alloy seed layer for... [more] | SDM2014-169 pp.39-44 |
| WPT | 2014-06-06 16:10 |
Tokyo | Univ. of Tokyo | Wireless power transmission to a small helicopter by magnetic resonance coupling Kohei Shimamura (Univ. of Tsukuba), Masato Yamakawa, Kimiya Komurasaki, Hiroyuki Koizumi (Univ. of Tokyo) WPT2014-30 |
[more] | WPT2014-30 pp.35-38 |
| SDM | 2012-03-05 13:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Single-layered barrier/liner Co(W) by ALD/CVD for next generation ULSI-Cu interconnect Hideharu Shimizu (Taiyo Nippon Sanso/Tokyo Univ.), Kohei Shima, Takeshi Momose (Tokyo Univ.), Yoshihiko Kobayashi (Taiyo Nippon Sanso), Yukihiro Shimogaki (Tokyo Univ.) SDM2011-180 |
The effective resistivity of interconnects are predicted to be increased by ULSI shrinking. Barrier/liner layer formed o... [more] | SDM2011-180 pp.25-29 |
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