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2017-0223-07
Manufacturing Technology
posted:2017/02/23

Healing of Fatigue Crack in the Metallic Materials by Heat Treatment

HOSOI, Atsushi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
collaborative researchers:藤田 耕平 , KAWADA, Hiroyuki Professor
● Implementation of fatigue crack healing of 90%● Implementation of static tensile strength of 75%● Fatigue crack healing due to elimination of oxide film by vacuum heating, plasticity-induced crack closure and atomic diffusion.
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2017-0223-06
Manufacturing Technology
posted:2017/02/23

Direct Bonding of Dissimilar Materials Having 3D Nanostructured Interfaces

HOSOI, Atsushi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
collaborative researchers:阿部 暉 , KAWADA, Hiroyuki Professor
● Fabrication of nanospike structure (NSS) on aluminum surfaces● Direct joining of CFRTP and Al by hotpress● Improvement of adhesive strength by silane-coupling treatment
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2017-0223-04
Nanotechnology / Materials
posted:2017/02/23

Operation of 3-D MEMS Micro Mirror by Single Superposed Driving Signal

IWASE, Eiji Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
● By single driving apparatus, MEMS micro mirror is actuated in  three resonant modes● MEMS micro mirror is operated in 3-D by single superposed signal with the three resonant frequencies  
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1827
Nanotechnology / Materials
posted:2016/07/05
第6773956号

曲げ変形および伸縮変形可能な電子デバイス

IWASE, Eiji Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
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1828
Nanotechnology / Materials
posted:2016/07/05
第6749630号

視覚的質感提示デバイスおよび視覚的質感提示方法

IWASE, Eiji Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
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1782
Nanotechnology / Materials
posted:2016/04/08
第6712735

電力素子

KAWARADA, Hiroshi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
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1569
Social Infrastructure
posted:2016/03/18
特開2016-24637

創造的人工脳

NAITOH, Ken Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
従来型コンピュータは将棋チェスをするものや入試問題を解くものも含めてどれも、決められた仕事を早くこなすためのものであった。ヒトのようなアイデアを出せる人工知能を目指す第一歩として、ヒトの脳の神経細胞群の結合様式(空間パターン)を実験的に解明する研究が進められているが不明であっ...
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2016-0203-08
Nanotechnology / Materials
posted:2016/02/03

Boron-doped nanocrystalline diamond as a p-type transparent electrode

KAWARADA, Hiroshi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
collaborative researchers:古閑 三靖
● Production method of the p-type conduction of high Boron-doped NCD with high transmittance and excellent electrical characteristic● Achieving two layers which High Boron-doped NCD was grown on top of undoped transparent NCD with quartz substrate
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2016-0203-07
Nanotechnology / Materials
posted:2016/02/03

Vertically oriented graphite layers on diamond substrate

KAWARADA, Hiroshi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
collaborative researchers:INABA, Masafumi Part-time Lecturer
● Implant ions to diamond (100) surface at high temperature ● Interstitial carbon atoms defuse to the diamond surface during the thermal treatment (1700oC, 2h) after implantation● High density vertically oriented graphite layer was formed on diamond surface
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2016-0203-06
Nanotechnology / Materials
posted:2016/02/03

MOSFET on polycrystalline diamond

KAWARADA, Hiroshi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
collaborative researchers:モフド シャムスル ナシリク ビン サムソル バハリン   , INABA, Masafumi Part-time Lecturer , 北林 祐哉 , 柴田 将暢
● We developed high breakdown voltage MOSFET with polycrystalline black diamond ● The device exhibits perfect modulation and good device characteristic pinch off and saturation region● High voltage breakdown of 1824 V by black polycrystalline diamond
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1736
Manufacturing Technology
posted:2015/11/03
2017-45897

多結晶ダイヤモンド上のパワーMOSFET(ダイヤモンド電界効果トランジスタ及びその製造方法)

KAWARADA, Hiroshi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
◆多結晶ダイヤモンド(黒い)上にMOSFETを作製 ◆顕著な変調・良好なデバイス特性◆逆阻止耐圧1800Vを達成
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2015-0303-06
Nanotechnology / Materials
posted:2015/03/03

Self-healing Metal Wire for Stretchable Devices

IWASE, Eiji Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
collaborative researchers:古志 知也
・High conductivity, and high stretchability for electric wire・Selective healing of a crack on a wire by “self-healing”function
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2011-0908-01
Information Communication
posted:2014/05/21

LSI design technology for integrated systems that realizes ultralow energy

TOGAWA, Nozomu Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
We are implementing a generalized rule that remains consistent throughout higher and lower processes by creating an abstraction model based on new concepts of “strong coupling” and “weak coupling” in regard to the three factors of functional modules, memory, and control that m...
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2011-0908-02
Information Communication
posted:2014/05/21

Elucidating the vulnerability of IC cards and establishing countermeasures

TOGAWA, Nozomu Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
In the scan path design, “scan registers” are incorporated randomly into the LSI, so it was originally secret information that only the designer knew.We demonstrated that it is possible to decipher the cryptographic processing of LSI in IC cards by making use of the regularity...
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2011-0921-02
Information Communication
posted:2014/05/21

Method for speeding up simulations for assessing many-core performance

KIMURA, Keiji Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
In many-core processors, parallelized programs are executed successively, and from the loops subject to sampling, an estimable interation number for the entire execution cycle is specified within the scope of errors expected based on statistical techniques. By carrying out det...
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2011-0921-03
Information Communication
posted:2014/05/21

Parallelization of multimedia applications (MPEG2 encoders and decoders) by using the OSCAR compiler

KIMURA, Keiji Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
By using parallelization on a macroblock level in the MPEG2 encoding process, and by using parallelization on a slice level as well as macroblock parallelization in slice processing, it is possible to decrease power consumption as well as improve speed.
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2011-0928-01
Information Communication
posted:2014/05/21

Highly efficient development technology for highly reliable software systems

WASHIZAKI, Hironori Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
In order to prevent trouble from occurring in advance, it is vital to improve reliability. Software development goes through multiple stages from basic design to installation, and reliability is gradually lost along the process. To counter this are efforts to improve the relia...
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2012-0807-01
Energy Environment
posted:2014/05/21

Innovative Energy-Saving Technology Based on Heat Pumps

SAITO, Kiyoshi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
This technology is characterized by two principles. First, heat moves from hot things to cold things. Secondly, if gas is spewed out all at once from a high-pressure area to a low-pressure area, then the gas is cooled rapidly. This technology is expected to have significant en...
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2014-0122-05
Nanotechnology / Materials
posted:2014/01/23

ダイヤモンド半導体を用いた高信頼性電力素子

KAWARADA, Hiroshi Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering)
・550℃の大気中でも導電性が確保され、絶縁性が向上した保護膜の製造方法・表面を水素化したダイヤモンド基板上に2層の保護膜を形成することで実現
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2230
Information Communication
posted:2021/09/06
特開2021-51172

音声対話システムにおける発話タイミング制御

KOBAYASHI, Tetsunori Professor (Faculty of Science and Engineering School of Fundamental Science and Engineering Department of Computer Science and Engineering)
システム発話タイミング検出手段は、ユーザの発話権維持又は譲渡/放棄かをパターン認識処理により逐次推定し、次発話準備手段は、システム発話タイミング検出手段と非同期、かつ開始タイミング検出前に、システムの次発話の内容データを準備する。そして、システム発話の開始タイミングの検出後に、...
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