Search Results - "Otsu, Kenji"

Highly sensitive spintronic strain-gauge sensor based on a MgO magnetic tunnel junction with an amorphous CoFeB sensing layer by Fuji, Yoshihiko, Kaji, Shiori, Hara, Michiko, Higashi, Yoshihiro, Hori, Akio, Okamoto, Kazuaki, Nagata, Tomohiko, Baba, Shotaro, Yuzawa, Akiko, Otsu, Kenji, Masunishi, Kei, Ono, Tomio, Fukuzawa, Hideaki

“…We investigated spintronic strain-gauge sensors (Spin-SGSs) based on magnetic tunnel junctions (MTJs). To enhance the strain sensitivity of Spin-SGSs, which is…”
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Therapeutic Array Transducer Element Using Coresonance between Hemispherical Piezoceramic Shell and Water Sphere: Effect of Load Masses of Support and Electric Contact by Otsu, Kenji, Yoshizawa, Shin, Umemura, Shin-ichiro

“…For therapeutic ultrasound array transducers, it is necessary to reduce the electrical impedance of their elements so that the transducer can produce high…”
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Therapeutic Array Transducer Element Using Coresonance between Hemispherical Piezoceramic Shell and Water Sphere: Effect of Load Masses of Support and Electric Contact by Otsu, Kenji, Yoshizawa, Shin, Umemura, Shin-ichiro

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Breathing-Mode Ceramic Element for Therapeutic Array Transducer by Otsu, Kenji, Yoshizawa, Shin, Umemura, Shin-ichiro

“…A new concept of piezoceramic array transducer element using breathing mode has been proposed for therapeutic application. Finite element numerical simulation…”
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Breathing-Mode Ceramic Element for Therapeutic Array Transducer by Otsu, Kenji, Yoshizawa, Shin, Umemura, Shin-ichiro

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Novel concept of therapeutic array transducer element using coresonance between oscillations of hemispherical piezoceramic shell and water sphere by Otsu, Kenji, Yoshizawa, Shin, Umemura, Shin-ichiro

“…For therapeutic array transducers, it is required to reduce the electrical impedance of their elements so that the transducer can produce high ultrasonic power…”
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Spin-MEMS microphone based on highly sensitive spintronic strain-gauge sensors by Fuji, Yoshihiko, Higashi, Yoshihiro, Kaji, Shiori, Masunishi, Kei, Nagata, Tomohiko, Yuzawa, Akiko, Otsu, Kenji, Okamoto, Kazuaki, Baba, Shotaro, Ono, Tomio, Hara, Michiko

“…We report a novel spintronic MEMS (Spin-MEMS) microphone, which is a new type of resistive microphone. For this microphone, spintronic strain-gauge sensors…”
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An ultrasensitive spintronic strain‐gauge sensor and a spin‐MEMS microphone by Fuji, Yoshihiko, Hara, Michiko, Higashi, Yoshihiro, Kaji, Shiori, Masunishi, Kei, Nagata, Tomohiko, Yuzawa, Akiko, Otsu, Kenji, Okamoto, Kazuaki, Baba, Shotaro, Ono, Tomio, Hori, Akio, Fukuzawa, Hideaki

“…This review provides the spintronic strain‐gauge sensor (Spin‐SGS) based on a magnetic tunnel junction (MTJ) with a high gauge factor in excess of 5000, which…”
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Measurement model for attenuation of leaky surface acoustic waves by the line-focus-beam ultrasonic material characterization system by Kushibiki, J.-i., Arakawa, M., Yoshida, S., Otsu, K.

“…We experimentally and theoretically studied an exact measurement model for attenuation of leaky surface acoustic waves (LSAWs) using the line-focus-beam…”
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Novel concept of array transducer element using combined resonance between oscillations of hemispherical piezoceramic shell and bulk water by Otsu, K., Yoshizawa, S., Umemura, S.

“…For therapeutic ultrasound array transducers, it is required to reduce the electrical impedance of their elements so that the transducer can produce high…”
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Effects of leaky Lamb-like wave propagation in single-element high intensity focused ultrasound transducer by vibration analysis by Otsu, Kenji, Kaneshima, Yasuhiro, Umemura, Shin-ichiro, Komura, Yuji, Yoshizawa, Shin

“…In a spherical piezoceramic transducer for HIFU (High Intensity Focused Ultrasound) treatment, a mode of plate wave propagation within the ceramic were…”
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