Search Results - "Kasashima, Takashi"

An ultrasonic transducer focusing ultrasound into a thin waveguide by two elliptical reflectors by Ieiri, Shoki, Yamada, Kyohei, Sasamura, Tatsuki, Itoh, Shinsuke, Kasashima, Takashi, Morita, Takeshi

“…A high-power ultrasonic transducer for minimally invasive treatments is proposed, capable of treating areas inaccessible by high-intensity focused ultrasound…”
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Selection criteria of piezoelectric materials for double-parabolic-reflectors ultrasonic transducers (DPLUS) for high-power ultrasound by Chen, Kang, Irie, Takasuke, Iijima, Takashi, Kasashima, Takashi, Yokoyama, Kota, Morita, Takeshi

“…To suit double parabolic reflectors wave-guided ultrasonic transducer (DPLUS) for high-power ultrasound applications, we investigated the selection criteria of…”
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Hard-Type Piezoelectric Materials Based Double-Parabolic-Reflectors Ultrasonic Transducer (DPLUS) for High-Power Ultrasound by Chen, Kang, Irie, Takasuke, Iijima, Takashi, Kasashima, Takashi, Yokoyama, Kota, Miyake, Susumu, Morita, Takeshi

“…To achieve wide-frequency (20 kHz-2 MHz) high-power output (10 MPa) of Double Parabolic refLectors wave-guided Ultrasonic tranSducers (DPLUS), this paper…”
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Application of Si–C–O glass-like compounds as negative electrode materials for lithium hybrid capacitors by Konno, Hidetaka, Kasashima, Takashi, Azumi, Kazuhisa

“…The Si–C–O glass-like compound ( a-SiCO) was applied to a negative electrode of a lithium hybrid capacitor (LHC) with activated carbon positive electrodes. The…”
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Si–C–O glass-like compound/exfoliated graphite composites for negative electrode of lithium ion battery by Konno, Hidetaka, Morishita, Takahiro, Wan, Chuanyun, Kasashima, Takashi, Habazaki, Hiroki, Inagaki, Michio

“…Two low molecular weight silicone compounds, a cyclic type having vinyl groups and a chain-type having Si–H bonds, a catalyst for curing, and a catalyst…”
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Rayleigh wave excitation with an elliptical reflector for high-power ultrasound by Yamada, Kyohei, Ieiri, Shoki, Itoh, Shinsuke, Kasashima, Takashi, Morita, Takeshi

“…This study proposes a Rayleigh wave transducer with an elliptical reflector for high-power ultrasound (ELIPS). In contrast to conventional transducers using…”
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Design of (K, Na)NbO3-Based Lead-Free Piezoelectric Sounder by Utilizing Different Material Properties from Pb(Zr, Ti)O3 by Ichihashi, Kentaro, Tsukamura, Kazutoshi, Kimura, Takeshi, Kasashima, Takashi, Yamazaki, Masato

“…By designing a unimorph suitable for the material properties of (K, Na)NbO 3 -based lead-free piezoelectric ceramics (KNN), we have developed a piezoelectric…”
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Design of (K, Na)NbO 3 -Based Lead-Free Piezoelectric Sounder by Utilizing Different Material Properties From Pb(Zr, Ti)O 3 by Ichihashi, Kentaro, Tsukamura, Kazutoshi, Kimura, Takeshi, Kasashima, Takashi, Yamazaki, Masato

“…By designing a unimorph suitable for the material properties of (K, Na)NbO3-based lead-free piezoelectric ceramics (KNN), we have developed a piezoelectric…”
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Control of dispersion frequency of BaTiO3-based ceramics applicable to thin absorber for millimeter electromagnetic wave by ANDOU, Minato, HIGASHIDA, Yutaka, SHIBATA, Noriyoshi, TAKEUCHI, Hiroki, KASASHIMA, Takashi, OHBAYASHI, Kazusige

“…Elements including B, Li and Na were doped in barium titanate in order to control dielectric dispersion. Addition of 3 mol% Li2O lowered the dispersion at a…”
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Compact aerial ultrasonic source integrating the transverse vibration part with the bolt-clamped Langevin transducer by Ohfuchi, Ryota, Kasashima, Takashi, Itoh, Shinsuke, Asami, Takuya, Miura, Hikaru

“…We have previously developed a compact circular vibrating plate aerial ultrasonic source with a grooved uniform rod that can produce a large vibration…”
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Estimation for Direction of Signal Arrival based on Area Density of Estimated Lines for Ultrasonic Sensor Array by MORITA, Eichi, HATANO, Hiroyuki, SANADA, Kosuke, MORI, Kazuo, TSUJII, Asuka, KASASHIMA, Takashi, YAMAZATO, Takaya

“…We consider to estimate target positions in front of a vehicle with multiple ultrasonic sensors to realize comfortable and safely traffic society. In the case…”
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Quantitative evaluation method for nonlinear characteristics of piezoelectric transducers under high stress with complex nonlinear elastic constant by Miyake, Susumu, Kasashima, Takashi, Yamazaki, Masato, Okimura, Yasuyuki, Nagata, Hajime, Hosaka, Hiroshi, Morita, Takeshi

“…The high power properties of piezoelectric transducers were evaluated considering a complex nonlinear elastic constant. The piezoelectric LCR equivalent…”
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Lithium ion insertion/extraction performance of Si/C/O composites formed from polyimides containing silicone by Saito, Shota, Kasashima, Takashi, Fushimi, Koji, Konno, Hidetaka

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Position Estimation of Slowly Moving Obstacles Using Ultrasonic Sensor Array by Tsujii, Asuka, Kasashima, Takashi, Hatano, Hiroyuki, Yamazato, Takaya

“…We developed an obstacle position estimation system using ultrasonic sensors to obtain short-time and wide-range measurements for low-speed driving. We aligned…”
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Si-C-0 glass-like compound/exfoliated graphite composites for negative electrode of lithium ion battery by Konno, Hidetaka, Morishita, Takahiro, Wan, Chuanyun, Kasashima, Takashi, Habazaki, Hiroki, Inagaki, Michio

“…Two low molecular weight silicone compounds, a cyclic type having vinyl groups and a chain-type having Si-H bonds, a catalyst for curing, and a catalyst…”
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Control of dispersion frequency of BaTiO 3-based ceramics applicable to thin absorber for millimeter electromagnetic wave by Andou, Minato, Higashida, Yutaka, Shibata, Noriyoshi, Takeuchi, Hiroki, Kasashima, Takashi, Ohbayashi, Kazusige

“…Elements such as B, Li and Na were doped to barium titanate, BaTiO 3 in order to control dielectric dispersion. Addition of 3 mol% Li 2O lowered the dispersion…”
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