Faculty Profiles - SOHGAWA Masayuki

MISC - SOHGAWA Masayuki

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Mechanical Characterization of Titanium Microneedles Fabricated by DRIE for Microsurgery

31 1 - 4 2014.10

Non-contact type quartz-crystal sensor for measurement of liquid concentration

31 1 - 4 2014.10

Label-Free Sensing of Various Proteins Using NiCr Strain Gauge Cantilever with Immobilized Liposome

31 4p 2014.10

Aβラベルフリー検知リポソーム固定NiCr歪ゲージカンチレバーセンサ

ZHANG Z, 寒川雅之, 山下馨, 野田実

応用物理学会秋季学術講演会講演予稿集(CD-ROM) 75th ROMBUNNO.20P-A2-5 2014.9

Research of Difference Between Human Tactile Sense and Artificial MEMS Tactile Sensor

WAKAO Asuka, WATANABE Kosuke, SOGAWA Masayuki, OKUYAMA Masanori, NOMA Haruo

Technical report of IEICE. Multimedia and virtual environment 114 ( 114 ) 41 - 45 2014.7

Language：Japanese Publisher：The Institute of Electronics, Information and Communication Engineers

Humans, using their finger tips, are able to detect fine mechanical stimulus and to recognize differences of texture, e.g. asperity, friction, heat and elasticity. We have developed an artificial MEMS tactile sensor that utilizes a number of leaning micro-cantilevers embedded within PDMS. The sensor detects the perpendicular and the shear forces occur in response to the touch of the fine structure of the object's surface. In this report, we evaluate the tactile discrimination capabilities of our tactile sensor by comparing the sensor's output against the results of humans' tactile perception of surfaces with different textures.

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Research of Difference Between Human Tactile Sense and Artificial MEMS Tactile Sensor

38 ( 25 ) 41 - 45 2014.7

2A2-W06 Development of non-contact type alcohol concentration detection method using a quartz crystal resonator(Fuctional Interface)

SUSA Tsubasa, SOHGAWA Masayuki, ABE Takashi

2014 "2A2 - W06(1)"-"2A2-W06(2)" 2014.5

Language：Japanese Publisher：The Japan Society of Mechanical Engineers

In this paper, we report the development of non-contact type alcohol concentration detection method using a quartz crystal resonator. This detection method was realized by using an interdigital capacitor (IDC) located at a backside of glass substrate for sensing the liquid on the substrate. Multi-point measurement can be done by fabricating multichannel IDC. Frequency changes by a change in the relative permittivity caused by dropping the liquid on the substrate. Since the relative permittivity is dependent on the concentration of the liquid, it is possible to measure the concentration of alcohol. The proposed method is expected to use for non-contact measurements of liquids.

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生体タンパク質識別用リポソーム固定NiCr薄膜ひずみゲージカンチレバーセンサ

寒川雅之, ZHANG Ziyang, 赤井俊夫, 高田佳祐, 山下馨, 野田実

電気学会全国大会講演論文集(CD-ROM) 2014 ROMBUNNO.3-112 2014.3

リポソーム固定NiCr歪ゲージカンチレバーセンサを用いたタンパク質検知

ZHANG Z, 赤井俊夫, 寒川雅之, 高田佳祐, 山下馨, 野田実

応用物理学会春季学術講演会講演予稿集(CD-ROM) 61st ROMBUNNO.19P-E15-13 2014.3

A novel micro-cantilever biosensor with droplet-sealed structure for stable detection of target proteins

Z. Zhang, T. Akai, M. Sohgawa, K. Takada, K. Yamashita, M. Noda

18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014 1975 - 1977 2014.1

Research of Difference Between Human Tactile Sense and Artificial MEMS Tactile Sensor

16 41 - 45 2014

MEMS触覚センサによる物体表面質感の計測法

渡部公介, 金島岳, 奥山雅則, 野間春生, 東輝明, 安部隆, 寒川雅之

電気学会全国大会講演論文集(CD-ROM) 2014 2014

Development of QCM-based thermal desorption spectroscopy for space applications

30 1 - 4 2013.11

Development of a multipoint droplet concentration detector using a single quartz resonator with microflow channel for microreactors

30 4p 2013.11

Fabrication of titanium microstructure using a desktop DRIE equipment

30 1 - 5 2013.11

5PM3-PMN-051 Development of dual quartz sensor for liquid analysis using leakage electric field

Imai Hiroaki, Takeishi Taichi, Sohgawa Masayuki, Abe Takashi

2013 ( 5 ) 97 - 98 2013.11

Language：Japanese Publisher：The Japan Society of Mechanical Engineers

QCM (Quartz crystal microbalance) is used as viscoelastic sensor not only as mass sensor. If it can measure the electric properties, it is expected to use for various applications. In this paper, a dual quartz sensor using a leakage electric field has been developed for analyzing the physicochemical properties of liquids. This sensor can measure the mechanical properties and the electrical properties simultaneously by integrating two types of ACR (Antiparallel coupled resonator) sensors on a same substrate. One is the sensor for measuring the viscoelasticity, another is the sensor for measuring the conductivity and dielectric constant. By changing the electrode portion on the sensing surface of ACR, ACR can evaluate the electrical properties of liquid using a leakage electric field. And this sensor can improve its stability in the air by adjusting the electrode area on the sensing surface.

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6PM3-PMN-050 Optimization of electrode design for a QCM based odor sensor using thermal desorption spectroscopy

Sakai Jumpei, Iida Naoyuki, Sohgawa Masayuki, Abe Takashi

2013 ( 5 ) 225 - 226 2013.11

Language：Japanese Publisher：The Japan Society of Mechanical Engineers

We developed a single microheater combined quartz crystal microbalance array for thermal desorption spectroscopy. In this study, new designs of the microheater were fabricated and frequency stability of fabricated sensor was compared between the new designs of the microheater. In a design of the microheater, the frequency stability (3 σ) calculated from the frequency change for 60 sec was 1.4 Hz when the sensor was heated to a temperature of 140 degrees Celsius. The design was effective to improve the frequency stability under heating. In addition, identification between methanol and ethanol was carried out by using the sensor.

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NiCr薄膜歪ゲージマイクロカンチレバーセンサを用いたリポソーム‐タンパク質間相互作用検出

藤本貴士, 寒川雅之, 高田佳祐, 山下馨, 野田実

応用物理学会春季学術講演会講演予稿集(CD-ROM) 60th ROMBUNNO.28P-G17-12 2013.3

NiCr薄膜歪ゲージマイクロカンチレバー構造によるリポソーム‐蛋白質間相互作用検出

寒川雅之, 藤本貴士, 高田佳祐, 山下馨, 野田実

電気学会全国大会講演論文集 2013 ( 3 ) 165 2013.3

マイクロカンチレバー型触覚センサを用いた多軸力計測システムの構成と評価

横山輔久登, 寒川雅之, 金島岳, 奥山雅則, 東輝明, 野間春生

電気学会全国大会講演論文集 2013 ( 3 ) 2013

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