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Suppression of Short-Channel Effects in Normally-off GaN MOSFETs with Deep Recessed-Gate Structure

Autor: D. Kato, Y. Kajiwara, A. Mukai, H. Ono, A. Shindome, J. Tajima, T. Hikosaka, M. Kuraguchi, S. Nunoue

Publikováno v: Extended Abstracts of the 2019 International Conference on Solid State Devices and Materials.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::258e1f52005d2d2f21daf34c896aceca
https://doi.org/10.7567/ssdm.2019.k-1-03

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Akademický článek

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Optimisation of spiral forging process design for ensuring uniform quality of forged round billet by three-dimensional rigid–plastic finite element analysis

Autor: M. Akiyama, K. Tamura, J. Tajima

Publikováno v: Ironmaking & Steelmaking. 32:265-272

Focusing on the spiral forging stage of the hot open die forging process, which is the final stage of finishing round billets from ingots, the influence of operational conditions on the distribution of equivalent plastic strain has been numerically a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::77e443102000c901e1c2a62cc694a49a
https://doi.org/10.1179/174328105x28784

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Optimization of anvil design for ensuring dimensional precision of forged round billet without forging defects by three-dimensional rigid-plastic finite element analysis

Autor: M Akiyama, K. Tamura, J Tajima

Publikováno v: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. 219:461-475

Focusing upon finding an optimum anvil design of the spiral forging stage for manufacturing a round billet to good dimensional precision directly from an octagonal work-piece without forging defects, three-dimensional rigid-plastic finite element ana

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a5fb981b595219c418deee5fe64c72de
https://doi.org/10.1243/095440605x16974

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Optimization of open-die forging process design to ensure homogeneous grain size refinement of cast structures by three-dimensional rigid-plastic finite element analysis

Autor: J Tajima, K Tamura

Publikováno v: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. 218:931-946

Focusing on the rough-forging stage of the hot open-die forging process, the influence of pass schedule on the equivalent plastic strain distribution at the surface of a forged billet has been numerically analysed using a three-dimensional rigid-plas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::54a9259652a7796ace0d1e7d11a02d9b
https://doi.org/10.1243/0954406041991305

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Optimisation of open die forging condition and tool design for ensuring both internal quality and dimensional precision by three-dimensional rigid–plastic finite element analysis

Autor: K. Tamura, J. Tajima

Publikováno v: Ironmaking & Steelmaking. 30:405-411

Focusing on the rough forging stage of the hot open die forging process, the influences of anvil design and pass schedule on the internal quality of forged billet have been numerically analysed using a three dimensional rigid-plastic finite element m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::57a368bf94684229c8ed2e04ec0305a9
https://doi.org/10.1179/030192303225001801

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Optimisation of spiral forging process design for ensuring dimensional precision of forged round billets by three-dimensional rigid–plastic finite element analysis

Autor: Y. Fukutome, J. Tajima, K. Tamura

Publikováno v: Ironmaking & Steelmaking. 30:240-248

Focusing on the spiral forging stage of the hot free forging process, which is the final stage to finish round billets from ingots, the optimisation of the operational conditions for ensuring dimensional precision of the final round billet has been c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f57f858ccc976c7f04d7a66cd7cee6ef
https://doi.org/10.1179/030192303225003863

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Medium energy ion-nanoprobe with TOF-RBS for semiconductor process analysis

Autor: Hirosuke Takayama, K. Iwasaki, J. Tajima, F. Pászti, Mikio Takai

Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 190:296-300

100–200 keV Be and Si ion beams from an ion-nanoprobe have been used to provide good lateral resolution and enhanced scattering cross section in Rutherford backscattering spectroscopy. A time-of-flight detecting system combining 1–2 ns beam pulse

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0d7b05c4c096560c54a28ebebffba136
https://doi.org/10.1016/s0168-583x(01)01319-2

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Development of enhanced depth-resolution technique for shallow dopant profiles

Autor: Mikio Takai, Heiner Ryssel, Satoshi Abo, J. Tajima, Lothar Frey, M. Fujita, A. Kinomura, R. Schork, T. Nakagawa, F. Pászti

Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 190:26-33

A rapid shrinkage in the minimum feature size of integrated circuits requires analysis of dopants in their shallow source–drain and their extensions with an enhanced depth resolution. Rutherford backscattering spectroscopy (RBS) combining a medium-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98e21fd1995a9a7741985be56c952992
https://doi.org/10.1016/s0168-583x(01)01248-4

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