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h Ninomiya,T. Imai,T. Fujii,T. Suzuki,T. Fujita,T. Yamamoto,Y. Uesugi,Y. Kamada,Y. Takase,Y. Kudo,Y. Miura,Y. Ikeda,Y. M. Miura,A. Shimizu,A. Kimura,A. Morioka,A. Nishimura,A. Sagara,G. Kurita,H. Kubo 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.49 No.III
The NCT Program, in which the present JT-60U is being modified into a superconducting coil machine, is discussed under nationwide collaboration in Japan. Its mission is to establish high-beta steady-state operation for DEMO and to contribute to ITER. NCT is designed to have potential to investigate such research.
Measurement of High Energy Neutron Induced Cross Sections for Chromium
S. Sekimoto,T. Utsunomiya,H. Yashima,H. Joto,S. Shibata,K. Ninomiya,D. Satoh,Y. Iwamoto,T. Omoto,R. Nakagaki,N. Takahashi,A. Shinohara,T. Shima,M. Hagiwara,H. Matsumura,K. Nishiizumi,Y. Matsushi,H. Ma 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
Reaction cross sections for Cr induced by neutrons at 287 MeV were measured by using ^7Li(p,n) reaction at N0 beam line in the Research Center for Nuclear Physics (RCNP), Osaka University. To estimate quasi-monoenergetic neutron-induced cross sections, the Cr sample was irradiated on the two angles of 0° and 30° for the axis of the primary proton beam. Proton-induced reaction cross sections for Cr at 300 MeV were also measured. The measured cross section data in the ^(nat)Cr(n,x) and ^(nat)Cr(p,x) reactions are compared with the literature values and the JENDL high-energy file. Furthermore, those in the ^(nat)Cr(n,x) reactions are also compared with those in the ^(nat)Cr(p,x) reaction.
A Primary Role for Nucleus Accumbens and Related Limbic Network in Vocal Tics
McCairn, Kevin W.,Nagai, Y.,Hori, Y.,Ninomiya, T.,Kikuchi, E.,Lee, J.Y.,Suhara, T.,Iriki, A.,Minamimoto, T.,Takada, M.,Isoda, M.,Matsumoto, M. Cell Press 2016 Neuron Vol.89 No.2
<P>Inappropriate vocal expressions, e.g., vocal tics in Tourette syndrome, severely impact quality of life. Neural mechanisms underlying vocal tics remain unexplored because no established animal model representing the condition exists. We report that unilateral disinhibition of the nucleus accumbens (NAc) generates vocal tics in monkeys. Whole-brain PET imaging identified prominent, bilateral limbic cortico-subcortical activation. Local field potentials (LFPs) developed abnormal spikes in the NAc and the anterior cingulate cortex (ACC). Vocalization could occur without obvious LFP spikes, however, when phase-phase coupling of alpha oscillations were accentuated between the NAc, ACC, and the primary motor cortex. These findings contrasted with myoclonic motor tics induced by disinhibition of the dorsolateral putamen, where PET activity was confined to the ipsilateral sensorimotor system and LFP spikes always preceded motor tics. We propose that vocal tics emerge as a consequence of dysrhythmic alpha coupling between critical nodes in the limbic and motor networks.</P>
High Efficiency Hybrid-Parallel Single Stage PFC Converter
C.F.JIN,T.Ninomiya,S.Nakagawa 전력전자학회 2004 ICPE(ISPE)논문집 Vol.- No.-
This paper proposes an improved type of the Hybrid-Parallel Power-Factor-Correction (HP-PFC) converter. It has the advantage of a higher efficiency and improved input current waveform. This advantage achieved through changing new charging path of the bulk capacitor and balancing the power flow from the two transformers to the output. This new circuit has been analyzed using MATLAB/Simulink and confirmed with experiment. As a conclusion, it is confirmed that this improved HP-PFC converter complies with the sever regulation of IEC61000- 3-2 Class D. Moreover, a high efficiency of 90% is achieved for 15V/6A output power under the worldwide line voltage conditions.
Oh, J.H.,Kwon, G.,Mun, D.Y.,Kim, D.J.,Han, I.K.,Yoo, H.W.,Jo, J.C.,Ominami, Y.,Ninomiya, T.,Nozoe, M. The Institute of Electronics and Information Engin 2012 Journal of semiconductor technology and science Vol.12 No.1
We have developed a highly sensitive inspection technique based on an electron beam inspection for detecting the contact failure of a poly-Si plugged layer. It was difficult to distinguish the contact failure from normal landing plugs with high impedance. Normally, the thermal annealing method has been used to decrease the impedance of poly-Si plugs and this method increases the difference of charged characteristics and voltage contrast. However, the additional process made the loss of time and broke down the device characteristics. Here, the interval scanning method without thermal annealing was effectively applied to enhance the difference of surface voltage between well-contacted poly-Si plugs and incomplete contact plugs. It is extremely useful to detect the contact failures of non-annealed plug contacts with high impedance.
J. H. Oh,G. Kwon,D. Y. Mun,D. J. Kim,I. K. Han,H. W. Yoo,J. C. Jo,Y. Ominami,T. Ninomiya,M. Nozoe 대한전자공학회 2012 Journal of semiconductor technology and science Vol.12 No.1
We have developed a highly sensitive inspection technique based on an electron beam inspection for detecting the contact failure of a poly-Si plugged layer. It was difficult to distinguish the contact failure from normal landing plugs with high impedance. Normally, the thermal annealing method has been used to decrease the impedance of poly-Si plugs and this method increases the difference of charged characteristics and voltage contrast. However, the additional process made the loss of time and broke down the device characteristics. Here, the interval scanning method without thermal annealing was effectively applied to enhance the difference of surface voltage between well-contacted poly-Si plugs and incomplete contact plugs. It is extremely useful to detect the contact failures of non-annealed plug contacts with high impedance.