Search Results 1-20 of 69

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  • Development of a Sheet-type Magnetic Sensor System Using Flexible Organic Thin-film Transistors  [in Japanese]

    UEMURA Takafumi , SEKITANI Tsuyoshi , KONDO Masaya , SUGIYAMA Masahiro , NAMBA Naoko , INOUE Yumi , AKIYAMA Mihoko , YOSHIMOTO Shusuke , NODA Yuki , ARAKI Teppei

    … <p>In this paper, we introduce the development of a sheet-type magnetic sensor system using flexible organic thin-film transistors. … Flexible transistors that make up the system circuit utilize a newly developed thin-film polymer insulator technology, which enables 2 V operation of transistors with high device yield. … We also demonstrated two-dimensional magnetic field mapping using a developed magnetic sensor system. …

    Vacuum and Surface Science 64(1), 22-27, 2021


  • Unconstrained Measurement of Heart Rate Considering Harmonics of a Respiratory Signal by Flexible Tactile Sensor Sheet  [in Japanese]

    松尾 一矢 , 向井 利春 , 郭 士傑

    電気学会研究会資料. CT 2020(95-108), 21-25, 2020-10-18

  • Synthesis of solvent-free conductive and flexible cellulose-carbon nanohorn sheets and their application as a water vapor sensor

    Paneer Selvam Karthik , Nakagawa Tomohiro , Marui Tatsuki , Inoue Hirotaka , Nishikawa Takeshi , Hayashi Yasuhiko

    … The maximum loading concentration possible to obtain a freestanding CCN sheet is 50 wt%. …

    Materials Research Express 7(5), 056402, 2020-05-04


  • Wireless Powering and Energy Harvesting to Ultra-Thin Flexible Healthcare Devices  [in Japanese]

    Takamiya Makoto

    <p>厚さ1umから10um程度のフィルム上に形成された超薄型で皮膚密着型の多種多様なフレキシブルヘルスケアデバイスが提案されている。これらの超薄型のデバイスに既存の電池を有線接続で取り付けると、皮膚に常時貼り付けても装着の不快感が少ないという超薄型デバイスの本来のメリットが損なわれてしまう。そこで、超薄型デバイスに対するエネルギー供給の課題を解決するために、有機エレクトロニクスを用い …

    Transactions of Japanese Society for Medical and Biological Engineering Annual58(Abstract), 203-203, 2020


  • High mobility sputtered InSb film by blue laser diode annealing

    Koswaththage C.J. , Higashizako T. , Okada T. , Sadoh T. , Furuta M. , Bae B.S. , Noguchi T.

    … New device applications such as magnetic or infrared sensor system with poly Si TFTs are expected not only on glass but also on flexible panel such as on plastic sheet. …

    AIP Advances 9(4), 045009-1-045009-5, 2019-04-10


  • Visually measurable biochemical sensor device using structural color hydrogel microbeads  [in Japanese]

    TSUCHIYA Mio , KURASHINA Yuta , ONOE Hiroaki

    … <p>This paper describes visually measurable biochemical flexible sensor devices using stimuli-responsive structural color hydrogel microbeads. … Then, we integrated these microbeads into the flexible PDMS sheet. …

    The Proceedings of Mechanical Engineering Congress, Japan 2019(0), J02803, 2019


  • Investigation of Measuring Pulse Transit Time Using Tactile Sensors  [in Japanese]

    OGISHI Yudai , MUKAI Toshiharu

    … <p>We investigated a method of obtaining Pulse Transit Time (PTT) from a thin and flexible tactile sensor sheet, where people are only required to lie on the sensor sheet. …

    Transactions of the Society of Instrument and Control Engineers 55(9), 556-558, 2019


  • Development of hybrid three-axis load sensor  [in Japanese]

    渡辺 健太 , 原 和裕 , 外山 滋

    「センサ・マイクロマシンと応用システム」シンポジウム論文集 電気学会センサ・マイクロマシン部門 [編] 35, 5p, 2018-10-30

  • A Method for Improving Recognition of Lying Postures Using a Measured Signal Intensity of Respiration and Heartbeat  [in Japanese]

    松尾 一矢 , 向井 利春 , 加藤 陽 , 郭 士傑

    電気学会研究会資料. CT 2018(47-53), 13-17, 2018-01-20

  • Evaluation of influence being given to cell viability by electrodes composition of flexible electronics.  [in Japanese]

    OHYA Takashi , KIKUCHI Tetsutaro , SASAKI Daisuke , SHIMIZU Tatsuya , MATSUURA Katsuhisa , FUKUDA Kenjiro , SOMEYA Takao , UMEZU Shinjiro

    … In this study, we confirmed the influence of a change in a composition of electrode on flexible electronic sheet on cell viability. … Our electronic sheet is composed of 500 nm parylene film and electrode. … We fabricated two types of electronic sheet, chromium-Au electrode sample and Au electrode sample. …

    The Proceedings of Ibaraki District Conference 2018.26(0), 718, 2018


  • Study of methods for stable measurement of extracellular electric potential using electronic sheet  [in Japanese]

    OHYA Takashi , KIKUCHI Tetsutaro , SASAKI Daisuke , SHIMIZU Tatsuya , FUKUDA Kenjiro , SOMEYA Takao , UMEZU Shinjiro

    … <p>We investigated the method for measuring extracellular electric potential stably by using electronic sheet. … Electronic sheet is composed of parylene film and electrode. … The thickness of electronic sheet we fabricated in this study is only 500 nm. … Therefore, it is really flexible. … we focused on the configuration of electrode on electronic sheet. …

    The Proceedings of Mechanical Engineering Congress, Japan 2018(0), J0220204, 2018


  • フレキシブル衝撃力センサの開発  [in Japanese]

    Fujimoto Yukio , Fujimori Keiya , TANAKA Yoshikazu , SHINTAKU Eiji

    … <p>We have developed a flexible impact force sensor using piezoelectric film. … Flexibility of the sensor is achieved by the metal mesh sheet which covers entire surface of the sensor elements. … Piezoelectric films of small dimensions are distributed inside the sensor. … There is no electrical wiring in the sensor. …

    The Proceedings of Mechanical Engineering Congress, Japan 2018(0), G1000705, 2018


  • Development of Durable Tactile Sensor for Snake Robots  [in Japanese]

    SUZUKI Yosuke

    … <p>This paper proposes a structural design of a tough tactile sensor for covering snake robots. … In the design, we consider normal force exceeding the measurement range, tangential force to peel off the sensor, piercing and cutting with the tip of sharp debris, and soiling due to water wetness and dust. … The sensor has a multilayer structure. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2018(0), 2P1-J04, 2018


  • Force sensing model by internal pressure measurement of pneumatic bag  [in Japanese]

    YAMAMOTO Ryuki , Kim Hyejong , KAWAMURA Sadao

    … In this paper, we develop a force sensor made of a plastic sheet air-bag. … Due to the structure and material, this force sensor has lightweight and flexible features. … Therefore, this sensor is suitable for inflatable robotic arms. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2018(0), 1P2-H11, 2018


  • Toward large-scale tactile sensor implementation: array of flexible tactile sensor using spiral inductors and magnetorheological elastomer sheet  [in Japanese]

    KAWASETSU Takumi , HORII Takato , ISHIHARA Hisashi , ASADA Minoru

    … <p>To address issues on conventional tactile sensors, such as low durability, sensitivity, and maintainability, we have proposed a flexible tactile sensor using a magnetorheological elastomer and a spiral inductor. … To measure contact force distributions with an array sensor using several inductors, we should investigate interferences among inductors because our sensor works based on electromagnetic effect. …

    The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2018(0), 1A1-K15, 2018


  • <b>Observation of Balloon Dilatation Pressure Distribution by using a Flexible Thin Film Sens</b><b>or </b>

    MORIWAKI Takeshi , FUJISAKI Kazuhiro , SASAGAWA Kazuhiko

    … <p>Recently, a film-type sensor was developed for understanding the force between contact interfaces. … This sensor is thin and flexible, and can easily measure force distribution quantitatively. … In this study, we used the film sensor to measure the circumferential pressure distribution between a model tube and balloon catheter. …

    Advanced Experimental Mechanics 3(0), 187-191, 2018


  • A method for improving recognition of lying postures using a measured signal intensity of respiration and heartbeat  [in Japanese]

    MATSUO Kazuya , MUKAI Toshiharu , GUO Shijie

    … We have proposed a measurement method of lying posture, respiration, and heartbeat using a Smart Rubber sensor, a rubber-based flexible tactile sensor sheet developed by us. …

    Transactions of the JSME (in Japanese) 84(867), 18-00175-18-00175, 2018


  • Development of sheet type shear force sensor aimed at application to persons with disabilities  [in Japanese]

    外山 滋

    電気学会研究会資料. CHS = The papers of technical meeting on "chemical sensor", IEE Japan 2017(30-35), 9-14, 2017-11-28

  • Development of Vibration Measurement System for Chest Surface Using Flexible Circuit  [in Japanese]

    SAKAI Takenobu , SHIBAYAMA Masaki , NOGATA Fumio , KAGEYAMA Kensuke

    … Multichannel heart motion sensors using flexible circuits were fabricated for the monitoring the heart motion in the heart diseases. … These sensors were modified with the air gap and the protection sheet, and the sensors with the flattest frequency response were selected. … These selected modified sensors were preliminary used in a 4-channel sensor array in order to check whether the heart sounds were detected, and they precisely detected the motion of S1 and S2. …

    Journal of the Japanese Society for Experimental Mechanics 17(1), 39-44, 2017


  • Development of Fabrication Process of Graphene Nano-ribbon for Flexible Strain Sensor  [in Japanese]

    NAKAGAWA Ryohei , SUZUKI Ken , MIURA Hideo

    … One of the expected technologies is human motion detection using strain sensor. … To detect human motion, a strain sensor must have high sensitivity and high deformability. … Recently, large attention has been focused on graphene as a sensing part for next-generation strain sensor with high sensitivity and large deformability. … Graphene is a two-dimensional carbon sheet composed of π-conjugated network of sp<sup>2</sup> …

    The Proceedings of Mechanical Engineering Congress, Japan 2017(0), J0330204, 2017


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