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pro vyhledávání: '"M. Kosaki"'
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Akademický článek
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Autor:
H. Miwa, Tatsuo Nakayama, Takashi Inoue, Koji Hirata, M. Kosaki, Yuji Ando, T. Uemura, Hironobu Miyamoto
Publikováno v:
IEEE Transactions on Electron Devices. 55:483-488
To improve the pinched-off characteristics of an AlGaN/GaN heterojunction field effect transistor (HJFET), the conduction band potential of an incorporated ALxGa1-xN buffer is designed to be upwardly convex in a band diagram. This approach utilizes t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d95fb2b76dce4939af531d0be004510a
https://doi.org/10.1109/ted.2007.912367
https://doi.org/10.1109/ted.2007.912367
Autor:
Hiroyuki Sazawa, M. Kosaki, Tomohisa Kato, K. Furuta, M. Kinoshita, Takeshi Mitani, Kazutoshi Kojima, Hajime Okumura, Shin-ichi Nakashima, Koji Hirata
Publikováno v:
Materials Science Forum. :1043-1046
AlGaN/GaN HFETs were fabricated around micropipes and on a domain boundary in a semi-insulating silicon carbide (SI-SiC) substrate and the DC characteristics of the fabricated devices were measured. Devices around micropipe showed no pinch-off or lar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f978ee3d55e21763aa2a0e7a53079f44
https://doi.org/10.4028/www.scientific.net/msf.556-557.1043
https://doi.org/10.4028/www.scientific.net/msf.556-557.1043
Autor:
Tatsuo Nakayama, M. Kosaki, Masanobu Senda, Hironobu Miyamoto, Yasuhiro Okamoto, Masaaki Kuzuhara, K. Hataya, Koji Hirata, N. Shibata, Yuji Ando, Takashi Inoue
Publikováno v:
IEEE Transactions on Electron Devices. 51:2217-2222
Recessed-gate AlGaN-GaN heterojunction field-effect transistors (FETs) with a field-modulating plate (FP) have been successfully fabricated for high-voltage and high-power microwave applications. The developed recessed-gate FP-FET with a gate length
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9623a230736668365c27e15be56edae
https://doi.org/10.1109/ted.2004.838453
https://doi.org/10.1109/ted.2004.838453
Autor:
H. Mitsui, F. Krahenbuhl, J. Smit, T. Tanaka, J. Densley, M. Nagao, K. Kadotani, M. Kahle, B. Bernstein, M. Kosaki, Michael G. Danikas
Publikováno v:
IEEE Electrical Insulation Magazine. 10:10-22
Many insulating materials and systems for superconducting electrical equipment have been developed in response to the severe demands of safe usage, such as in cryogenic temperature, high mechanical stresses, high radiation, etc. They have been design
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff8f544930a5a81a0c2e94fc450813c0
https://doi.org/10.1109/57.298084
https://doi.org/10.1109/57.298084
Autor:
M. Kuzuhara, Yuji Ando, Hironobu Miyamoto, Yasuhiro Okamoto, N. Shibata, K. Hirata, M. Senda, K. Hataya, Tatsuo Nakayama, M. Kosaki, Takashi Inoue
Publikováno v:
International Meeting for Future of Electron Devices, 2004..
Gallium nitride (GaN) is attracting considerable attention for microwave high-power transistor material as presented in W. L. Pribble et al. (2002), K. Joshin et al. (2003), Y. Okamoto et al. (2004), Y.-F. Wu et al. (2003) and M. Kuzuhara (2003). Thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f316ef3eb14075bf2413e57cfade202
https://doi.org/10.1109/imfedk.2004.1566402
https://doi.org/10.1109/imfedk.2004.1566402
Publikováno v:
CEIDP '05. 2005 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, 2005..
Dielectric measurement and image analysis are used to evaluate the hydrophobic condition of silicone rubber surface. Hydrophobicity of silicone rubber surface was studied by using image data analysis of sprayed water droplets on the sample surface. H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdd69af178927c9741dd918c42ef1013
https://doi.org/10.1109/ceidp.2005.1560676
https://doi.org/10.1109/ceidp.2005.1560676
Autor:
Kazuyuki Tohyama, Masayuki Nagao, S. Masuda, Shingo Tsuboi, A. Fujita, M. Kosaki, Tetsuro Tokoro
Publikováno v:
CEIDP '05. 2005 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, 2005..
Polyethylene is widely used as the insulator for power cable. By using dissipation current waveform observation system, which is developed by authors, frequency dependences of dissipation current waveform for LDPE film has been investigated and repor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b51a10afc3364c2c66e53e5f0d0df07
https://doi.org/10.1109/ceidp.2005.1560778
https://doi.org/10.1109/ceidp.2005.1560778
Autor:
M. Kosaki, Masayuki Nagao, S. Masuda, Shingo Tsuboi, Kazuyuki Tohyama, A. Fujita, Tetsuro Tokoro, Yoshinao Murata
Publikováno v:
CEIDP '05. 2005 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, 2005..
Dissipation current waveform observation method, which has been developed by authors, is very powerful technique to detect high field nonlinear dielectric property and by using this method, not only the various kinds of numerical processing but also
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a76969bd959cb03ff0bf351f16d547c3
https://doi.org/10.1109/ceidp.2005.1560779
https://doi.org/10.1109/ceidp.2005.1560779