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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| US | 2010-09-30 11:40 |
Miyagi | Tohoku Univ. | Fabrication of Film Bulk Acoustic Resonator Using Structure of Ta2O5 Thin Film/Si Substrate Akinori Tsuchiya, Shoji Kakio (Yamanashi Univ.), Yasuhiko Nakagawa (Prof. Emeritus, Yamanashi Univ.)  US2010-64 |
Highly X-axis-oriented tantalum pentoxide (Ta2O5) piezoelectric thin films were deposited using an RF-magnetron sputteri... [more] | US2010-64 pp.87-92 |
| SCE, MW | 2010-04-23 09:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Study of HTS transmit filters using stripline structure Naoto Sekiya, Nozomu Imai, Keisuke Yamamoto, Yasuhiko Nakagawa (Yamanashi Univ.), Atsushi Saito, Shigetoshi Ohshima (Yamagata Univ.) SCE2010-1 MW2010-1 |
A high-temperature superconducting transmit filter with a stripline (SL) structure has been designed. The filter was des... [more] | SCE2010-1 MW2010-1 pp.1-5 |
| SCE, MW | 2010-04-23 14:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Experimental study of bandwidth tunable filters using Π-shaped waveguides Naoto Sekiya, Hiroyuki Harada, Yasuhiko Nakagawa (Yamanashi Univ.), Shigetoshi Ohshima (Yamagata Univ.) SCE2010-7 MW2010-7 |
We have developed a method for tuning the bandwidth of microstrip filter. Several -shaped waveguides are placed ... [more] | SCE2010-7 MW2010-7 pp.33-37 |
| US | 2010-02-24 13:40 |
Tokyo | TOKYO KEIKI INC. | [Invited Talk]
Road to Lamb Wave Research from Surface Acoustic Wave Research. Yasuhiko Nakagawa (Univ. of Yamanashi.) US2009-117 |
The author was engaged in the research on a nonlinear phenomenon of the surface acoustic wave, and clarified ten kinds o... [more] | US2009-117 pp.31-36 |
| MW, SCE | 2009-04-23 14:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Study of bandwidth tunable HTS filters using H-shaped waveguides Naoto Sekiya, Yusuke Koike, Hiroyuki Harada, Shoji Kakio, Yasuhiko Nakagawa (Yamanashi Univ.), Shigetoshi Ohshima (Yamagata Univ.) SCE2009-6 MW2009-6 |
We have developed a bandwidth tuning method for use in high-temperature superconducting (HTS) microstrip filters. Severa... [more] | SCE2009-6 MW2009-6 pp.29-34 |
| US | 2008-09-26 10:20 |
Miyagi | Fabrication of Highly Oriented Ta2O5 Piezoelectric Thin Films by RF-Magnetron Sputtering Takeshi Mitsui, Akinori Tsuchiya, Shoji Kakio, Yasuhiko Nakagawa (Univ. of Yamanashi) US2008-41 |
[more] | US2008-41 pp.53-56 |
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| US | 2008-05-30 14:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Propagation characteristics of Leaky Surface Acoustic Wave on Reverse-Proton-Exchanged LiNbO3 Shoji Kakio, Hidenori Shimizu, Yasuhiko Nakagawa (Univ. Yamanashi) US2008-11 |
A proton-exchanged layer with an elastically soft property can be buried into a substrate by a reverse proton exchange (... [more] | US2008-11 pp.5-10 |
| SCE, MW | 2008-04-22 11:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Experimental study on tunable high temperature superconducting filter using novel trimming technique Naoto Sekiya, Syamsul Bahari, Shoji Kakio, Yasuhiko Nakagawa (Yamanashi Univ.), Shigetoshi Ohshima (Yamagata Univ.) SCE2008-7 MW2008-7 |
In this paper, experimental study on novel trimming technique for high temperature superconducting filter is described. ... [more] | SCE2008-7 MW2008-7 pp.37-42 |
| US | 2007-09-28 09:30 |
Miyagi | Tohoku Univ. | The Optimal design of the T-type NULL Circuit with a Quartz Crystal Resonator Koichi Hirama (Univ. Yananashi), Takehiko Adachi (Yokohama Nat. Univ.), Yasuhiko Nakagawa (Univ. Yananashi), Takeshi Yanagisawa (Tokyo Inst. Tech.) US2007-43 |
We searched in an open-loop state for two conditions that give the optimal setup of circuit constants in a T-type null c... [more] | US2007-43 pp.1-6 |
| US | 2007-09-28 10:30 |
Miyagi | Tohoku Univ. | The basic examination of the gas sensor using a good point of the Lamb wave Naoki Yamamoto, Yasuhiko Nakagawa, Shoji Kakio (Univ. of Yamanashi) US2007-45 |
When the thickness of the substrate is equal or thereunder with a wavelength, the Lamb wave excited efficiently. The Lam... [more] | US2007-45 pp.13-18 |
| OCS | 2005-06-17 10:55 |
Yamanashi | Univ. of Yamanashi | Diffraction Properties and Beam-Propagation Analysis of Waveguide-Type Acoustooptic Modulator Driven by Surface Acoustic Wave Shoji Kakio, Shinji Uotani, Yasuhiko Nakagawa (Univ. of Yamanashi), Takefumi Hara, Hiromasa Ito (RIEC, Tohoku Univ.), Tetsuya Kobayashi, Masayuki Watanabe (Optoquest) |
[more] | OCS2005-29 pp.17-22 |
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