Search Results 1-20 of 108

  • Ferroelectric Gate Field-Effect Transistors with 10nm Thick Nondoped HfO<sub>2</sub> Utilizing Pt Gate Electrodes

    KIM Min Gee , KATAOKA Masakazu , MAILIG Rengie Mark D. , OHMI Shun-ichiro

    … deposited by RF magnetron sputtering utilizing Hf target. … The fabricated MFSFETs showed the memory window of 1.7V when the voltage sweep range was from -3 to 3V.</p> …

    IEICE Transactions on Electronics E103.C(6), 280-285, 2020

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  • A Design Window for Device Parameters of Rectifying Diodes in 2.4 GHz Micro-watt RF Energy Harvesting

    Yamazaki Yutaro , Tsuchiaki Masakatsu , Tanzawa Toru

    Conference Location : SingaporeDate of Conference : 10-13 Dec. 2019

    2019 IEEE Asia-Pacific Microwave Conference (APMC) (2019), 135-137, 2019-12-10

    IR 

  • The Effect of PMA with TiN Gate Electrode on the Formation of Ferroelectric Undoped HfO<sub>2</sub> Directly Deposited on Si(100)

    KIM Min Gee , OHMI Shun-ichiro

    … directly deposited on p-Si(100) by RF magnetron sputtering. … By post-deposition annealing (PDA) process at 600<sup>°</sup>C/30 s in N<sub>2</sub>, the memory window (MW) in the C-V characteristics was observed in the Al/HfO<sub>2</sub>/p-Si(100) diodes with 15 to 24-nm-thick HfO<sub>2</sub>. …

    IEICE Transactions on Electronics E102.C(6), 435-440, 2019

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  • A study of waveguide reactance element designs for introductory microwave experiments

    Kusama Yusuke , Johnston Robert Weston , Hashimoto Osamu

    … As part of the RF engineers training education program, an advanced experiments program has been developed in which students can experience successive trial and error procedures including design, circuit fabrication, simulation, and measurement. … In this paper, the design theory and production evaluation process are focused on waveguide inductive and capacitive window.</p> …

    IEICE Electronics Express 14(7), 20160916-20160916, 2017

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  • An AWF Digital Spectrometer for a Radio Telescope  [in Japanese]

    NAKAHARA Hiroki , NAKANISHI Hiroyuki , IWAI Kazumasa

    … A radio telescope analyzes radio frequency (RF) received from celestial objects. … In the spectrometer, first, it multiples the window coefficient to the received signal. …

    IEICE technical report 114(428), 67-72, 2015-01-29

  • An AWF Digital Spectrometer for a Radio Telescope  [in Japanese]

    NAKAHARA Hiroki , NAKANISHI Hiroyuki , IWAI Kazumasa

    … A radio telescope analyzes radio frequency (RF) received from celestial objects. … In the spectrometer, first, it multiples the window coefficient to the received signal. …

    IEICE technical report. Computer systems 114(427), 67-72, 2015-01-29

  • An AWF Digital Spectrometer for a Radio Telescope  [in Japanese]

    NAKAHARA Hiroki , NAKANISHI Hiroyuki , IWAI Kazumasa

    … A radio telescope analyzes radio frequency (RF) received from celestial objects. … In the spectrometer, first, it multiples the window coefficient to the received signal. …

    Technical report of IEICE. VLD 114(426), 67-72, 2015-01-29

  • An AWF Digital Spectrometer for a Radio Telescope  [in Japanese]

    中原 啓貴 , 中西 裕之 , 岩井 一正

    … A radio telescope analyzes radio frequency (RF) received from celestial objects. … In the spectrometer, first, it multiples the window coefficient to the received signal. …

    情報処理学会研究報告. SLDM, [システムLSI設計技術] 2015-SLDM-169(13), 1-6, 2015-01-22

  • Evaluation of fourth-generation measurement of HIV antigen antibody with Lumipulse <i>f</i>  [in Japanese]

    ISHIGAKI Takuya , HATTORI Kanako , YAMANAKA Motoko , HOTTA Taeko , KANG Dongchong

    We evaluated a new fourth-generation HIV test, Lumipulse HIV Ag/Ab assay, for the measurement of the HIV antigen and antibody. Good results were obtained for the within-run precision, between-day prec …

    Japanese Journal of Medical Technology 64(3), 343-349, 2015

    J-STAGE  Ichushi Web 

  • RF/Microwave Discharge Plasma for Mercury-Free Lighting

    Dagang Ahmad Nazri , Motomura Hideki , Jinno Masafumi

    … This research focused on the development of a mercury-free light source through the use of radio frequency (RF) and microwave discharges. … RF at 13.56 MHz and microwave at 2.45 GHz were applied to generate the plasma. … In this research, RF energy at 13.56 MHz was induced to the cylindrical discharge tube in order to investigate the characteristics of the xenon RF-inductively coupled plasma discharge as a light source. …

    Journal of Light & Visual Environment 38(0), 22-28, 2014

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  • Scaling Strategy for Low Power RF Applications with Multi Gate Oxide Dual Work Function (DWF) MOSFETs Utilizing Self-Aligned Integration Scheme  [in Japanese]

    MIYATA Toshitaka , KAWANAKA Shigeru , HOKAZONO Akira , OHGURO Tatsuya , TOYOSHIMA Yoshiaki

    … Here, we obtained not only the improved transconductance (GM) and drain conductance (GD), but also the enlarged operation voltage window employing multi gate oxide structure combined with DWF-MOSFET gate stack. … Also, the discriminative features of DWF-MOSFET operation were revealed by TCAD analysis indicating the potential ability of reduced power consumption for RF applications. …

    Technical report of IEICE. ICD 113(173), 13-18, 2013-08-01

  • Scaling Strategy for Low Power RF Applications with Multi Gate Oxide Dual Work Function (DWF) MOSFETs Utilizing Self-Aligned Integration Scheme  [in Japanese]

    MIYATA Toshitaka , KAWANAKA Shigeru , HOKAZONO Akira , OHGURO Tatsuya , TOYOSHIMA Yoshiaki

    … Here, we obtained not only the improved transconductance (GM) and drain conductance (GD), but also the enlarged operation voltage window employing multi gate oxide structure combined with DWF-MOSFET gate stack. … Also, the discriminative features of DWF-MOSFET operation were revealed by TCAD analysis indicating the potential ability of reduced power consumption for RF applications. …

    Technical report of IEICE. SDM 113(172), 13-18, 2013-08-01

  • A Practical Antenna Selection Technique in Multiuser Massive MIMO Networks

    BAN Tae-Won , JUNG Bang Chul

    … antennas (<i>S</i>≤<i>N</i>) are selected for transmission based on the knowledge of channel coefficients of each MS for reducing the number of RF chains which mainly induce cost increase in terms of size, hardware, and power. … consecutive antennas is called a <i>window</i>. … The BS selects the window resulting in the highest sum-rate. …

    IEICE Transactions on Communications E96.B(11), 2901-2905, 2013

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  • A Case Report of Masked Mahaim Fiber that has Similar Decremental Conductivity Compared with the Atrioventricular Node  [in Japanese]

    Sugimura Sousuke , Nakagawa Yoshihisa , Kaitani Kazuaki , Yoshitani Kazuyasu , Takahashi Sayaka , Shibata Masayoshi , Hashimoto Takemasa , Yoshida Hideto , Hanazawa Kouji , Izumi Chisato

    … The patient was a 45-year-old male who had Ebstein’s anomaly relapsed LBBB-form tachycardia that was terminated with Adenosine triphosphate (ATP) injection after the initial radiofrequency (RF) ablation for multiple Kent fibers of type B WPW syndrome. … However, at the shorter coupling interval window of less than 370msec of aPES, the LBBB-form tachycardia was induced repeatedly accompanied with the disappearance of His potential. …

    Japanese Journal of Electrocardiology 32(1), 11-18, 2012

    J-STAGE  Ichushi Web 

  • ECW/EBW Heating and Current Drive Experiment Results and Prospects for CW Operation in QUEST

    IDEI Hiroshi , KARIYA Tsuyoshi , IMAI Tsuyoshi , MINAMI Ryutaro , YOSHIDA Naoaki , SAKAMOTO Mizuki , WATANABE Hideo , TOKUNAGA Kazutoshi , EJIRI Akira , SAKAGUCHI Masatsugu , ISHIGURO Masaki , ZUSHI Hideki , TASHIMA Saya , FUKUYAMA Atsushi , IGAMI Hiroe , KUBO Shin , ISOBE Mitsutaka , NAGAOKA Kenichi , NAKANISHI Hideya , NISHINO Nobuhiro , KAWASAKI Shoji , NAKASHIMA Hisatoshi , HANADA Kazuaki , HIGASHIJIMA Aki , TAKASE Yuichi , MAEKAWA Takashi , MITARAI Osamu , KIKUCHI Mitsuru , TOI Kazuo , KALINNIKOVA Evgeniya , NAKAMURA Kazuo , FUJISAWA Akihide , NAGASHIMA Yoshihiko , HASEGAWA Makoto , MATSUOKA Keisuke

    … Long pulse discharges with a plasma current of 10 kA and 15 kA were non-inductively attained for 37 s and 20 s, respectively, with only radio frequency (RF) power. … Divertor configurations were also obtained in the RF-sustained plasmas. … A new operational window for sustained plasma current was observed in the high-density plasma with a higher RF incident power. …

    Plasma and Fusion Research 7(0), 2402112-2402112, 2012

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  • Paradoxical Aging Changes of the Atrioventricular Nodal Properties in Patients With Atrioventricular Nodal Re-Entrant Tachycardia

    TSENG Tzu-Wei , HU Yu-Feng , TSAI Chin-Feng , TSAO Hsuan-Ming , TAI Ching-Tai , LIN Yenn-Jiang , CHANG Shih-Lin , LO Li-Wei , LEE Pi-Chang , LI Cheng-Hung , CHAO Tze-Fan , SUENARI Kazuyoshi , LIN Yung-Kuo , CHIANG Chern-En , CHEN Shih-Ann

    … The 2,111 patients who underwent an electrophysiological study and radiofrequency (RF) catheter ablation of AVNRT were enrolled. … The fast pathway ERP was significantly longer in group 2 than in other groups, and was associated with the largest tachycardia window. … However, the number of RF impulses was higher in group 2 compared with other groups (7.6±9.3, P=0.04), which might imply a differing complexity during the ablation. …

    Circulation Journal 75(7), 1581-1584, 2011-06-25

    J-STAGE  Ichushi Web  References (24) Cited by (4)

  • The Characteristics of the Electrograms at the Site of AF Termination by Ganglionated Plexi Ablation

    Sakamoto Yuichiro , Yamashiro Kohei , Takami Mitsuru , Satoh Koyo , Suzuki Takahiko

    … The bipolar electrograms were recorded in a 4.5-s window before the RF delivery. …

    Journal of Arrhythmia 27(Supplement), OP42_1-OP42_1, 2011

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  • EndoEpicardial Ablation of Recurrent Ventricular Tachycardia Using Remote Magnetic Navigation System (Stereotaxis)

    Malik Amit Kumar , Teo Wee Siong , Ching Chi Keong , Liew Reginald , Tan Boon Yew , Chong Daniel

    RF ablation at earliest endocardial activation and low voltage areas unable to terminate VT. … Epicardial approach was attempted via pericardial window. … Earliest activation and presystolic potentials noted in mid posterior septal LV, RF ablation at this site terminated the VT. … RF ablations in mid posterior LV from lateral LV to near the septum terminated VT. …

    Journal of Arrhythmia 27(Supplement), OP66_5-OP66_5, 2011

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  • Cranial ultrasonography of newborns and infants  [in Japanese]

    ICHIHASHI Ko

    … We use a sector probe because the narrow anterior fontanella serves as the echo window. … Although, histologic diagnosis using ultrasonography remains difficult, RF signal analysis may make it possible. …

    Choonpa Igaku 37(3), 309-316, 2010

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  • Time Domain Fluorescence Lifetime Image Sensor Using Two-Stage Charge Transfer Pixels with Pinned Diode

    LI Zhuo , YOON Hyung-June , ITOH Shinya , KAWAHITO Shoji

    … The fluorescent decaying image and lifetime are successfully measured with a 250ps step time window. …

    ITE Technical Report 33.39(0), 29-34, 2009

    J-STAGE  References (7) Cited by (1)

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