Search Results - "Okada, Nagaya"

Development of anti-cavitation hydrophone using a titanium front plate: Durability test in the high intensity focused ultrasound field by Shiiba, Michihisa, Okada, Nagaya, Takeuchi, Shinichi

“…Our research group has developed new anti-cavitation hydrophones by depositing a hydrothermally synthesized lead zirconate titanate polycrystalline film with…”
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Relationship between acoustic cavitation bubble behavior and output signal from tough hydrophone using high-speed camera in high-frequency and low-frequency acoustic fields by Okada, Nagaya, Shiiba, Michihisa, Yamauchi, Shinobu, Sato, Toshio, Takeuchi, Shinichi

“…In previous works, our developed tough hydrophone was resistant to high-pressure fields (15 MPa). During the experiment, acoustic cavitation bubbles were…”
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Frequency characteristics of receiving sensitivity and waveform of an anti-acoustic cavitation hydrophone by Shiiba, Michihisa, Okada, Nagaya, Uchida, Takeyoshi, Kikuchi, Tsuneo, Kurosawa, Minoru, Takeuchi, Shinichi

“…Novel anti-cavitation hydrophones were fabricated by depositing a hydrothermally synthesized lead zirconate titanate polycrystalline film on the back of a…”
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Output characteristics of piezoelectric lead zirconate titanate detector using high-energy heavy-ion beam by Takechi, Seiji, Sekiguchi, Masahiro, Miyachi, Takashi, Kobayashi, Masanori, Hattori, Maki, Okudaira, Osamu, Shibata, Hiromi, Fujii, Masayuki, Okada, Nagaya, Murakami, Takeshi, Uchihori, Yukio

“…A radiation detector fabricated using piezoelectric lead zirconate titanate (PZT) has been studied by irradiating it with a 400MeV/n xenon (Xe) beam. The beam…”
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Ultrasonic Tissue Characterization of Atherosclerosis by a Speed-of-Sound Microscanning System by Saijo, Y., Filho, E.S., Sasaki, H., Yambe, T., Tanaka, M., Hozumi, N., Kobayashi, K., Okada, N.

“…We have been developing a scanning acoustic microscope (SAM) system for medicine and biology featuring quantitative measurement of ultrasonic parameters of…”
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Influence of a Polyimide Surface Layer on the Piezoelectric Response of Lead--Zirconate--Titanate Cosmic Dust Detector by Hattori, Maki, Kobayashi, Masanori, Miyachi, Takashi, Takechi, Seiji, Okudaira, Osamu, Iwai, Takeo, Okada, Nagaya, Sugita, Seiji

“…The influence of a thermal reflector on the sensitivity of a lead--zirconate--titanate element is studied by bombarding the element with hypervelocity…”
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Radiation detector based on piezoelectric lead zirconate titanate material by Takechi, Seiji, Miyachi, Takashi, Fujii, Masayuki, Hasebe, Nobuyuki, Mori, Kunishiro, Shibata, Hiromi, Murakami, Takeshi, Uchihori, Yukio, Okada, Nagaya

“…The feasibility of using piezoelectric lead zirconate titanate (PZT) elements as a radiation detector was examined. We tried to observe the pressure wave…”
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Effect on High-Intensity Fields of a Tough Hydrophone With Hydrothermal PZT Thick-Film Vibrator and Titanium Front Layer by Okada, Nagaya, Takeuchi, Shinichi

“…A novel tough hydrophone was fabricated by depositing hydrothermally synthesized lead zirconate titanate polycrystalline film on the back-side surface of a…”
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Evaluation of piezoelectric lead–zirconate–titanate multilayered detector by Fourier analysis by Takechi, Seiji, Onishi, Toshiyuki, Minami, Shigeyuki, Miyachi, Takashi, Fujii, Masayuki, Hasebe, Nobuyuki, Mori, Kunishiro, Shibata, Hiromi, Murakami, Takeshi, Uchihori, Yukio, Okada, Nagaya

“…Radiation detectors composed of lead–zirconate–titanate (PZT) were studied by directly irradiating them with a 400 MeV/n xenon beam. Fourier analysis revealed…”
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Response of Lead Zirconate Titanate without Poling to High-Energy Heavy-Ion Beam by Takechi, Seiji, Morinaga, Shin-ya, Kurozumi, Atsuma, Uno, Takefumi, Miyachi, Takashi, Okudaira, Osamu, Fujii, Masayuki, Hasebe, Nobuyuki, Shibata, Hiromi, Murakami, Takeshi, Uchihori, Yukio, Okada, Nagaya

“…A radiation detector based on the piezoelectric effect, which is fabricated using lead zirconate titanate (PZT), has been investigated by irradiating it with a…”
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Dependence of Thickness of Lead Zirconate Titanate Material Used as Radiation Detector by Takechi, Seiji, Morinaga, Shin-ya, Kurozumi, Atsuma, Miyachi, Takashi, Fujii, Masayuki, Hasebe, Nobuyuki, Shibata, Hiromi, Murakami, Takeshi, Uchihori, Yukio, Okada, Nagaya

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Size effect on the phase transition in PbTiO3 fine particles by ISHIKAWA, K, NOMURA, T, OKADA, N, TAKADA, K

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Impact of high-energy electron beam irradiation on piezoelectric properties of lead zirconate titanate by Takechi, Seiji, Maeda, Shoki, Tominaga, Shuhei, Naruse, Ryusei, Takahashi, Ayano, Katayama, Shinya, Miyachi, Takashi, Kobayashi, Masanori, Okudaira, Osamu, Okada, Nagaya, Takahashi, Toshiharu, Abe, Naoya

“…We measured the resonant and anti-resonant frequencies of lead zirconate titanate (PZT) elements at various temperatures and investigated the change in the…”
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Response of piezoelectric lead zirconate titanate to 20 MeV electron beam irradiation by Takechi, Seiji, Morita, Yudai, Niiya, Shingo, Miyachi, Takashi, Kobayashi, Masanori, Okudaira, Osamu, Okada, Nagaya, Takahashi, Toshiharu, Abe, Naoya

“…The response of the lead zirconate titanate (PZT) element to an irradiated 20 MeV electron beam was studied. Both the resonant and antiresonant frequencies of…”
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Effect of ultrasonic cavitation on measurement of sound pressure using hydrophone by Nguyen, Tam Thanh, Asakura, Yoshiyuki, Okada, Nagaya, Koda, Shinobu, Yasuda, Keiji

“…Effect of ultrasonic cavitation on sound pressure at the fundamental, second harmonic, and first ultraharmonic frequencies was investigated from low to high…”
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TWO-DIMENSIONAL Pb(ZrxTi1-x)O3 CERAMICS ARRAYS FOR A HIGH-SPEED THREE-DIMENSIONAL IMAGING SYSTEM USING A CODED WAVEFRONT by Okada, N, Sato, M, Ishihara, C, Ishii, N, Aoki, T, Hisamoto, T, Yanagida, H

“…A 2-D matrix Pb(ZrxTi1-x)O3 (PZT) ceramics array has been developed to evaluate the principle of an imaging system using a coded wavefront. Fabrication of a…”
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Robust hydrophone with hydrothermal PZT thick-film vibrator and titanium front layer for use in high-power ultrasound fields by Okada, Nagaya, Takeuchi, Shinichi

“…Novel robust hydrophones were fabricated by depositing hydrothermally synthesized lead zirconate titanate polycrystalline film on the back-side surface of a…”
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Effect of high-energy heavy-ion irradiation on electromechanical coupling factor of piezoelectric lead zirconate titanate by Takechi, Seiji, Fujita, Shogo, Konishi, Naoki, Miyachi, Takashi, Kobayashi, Masanori, Okudaira, Osamu, Okada, Nagaya, Fujii, Masayuki, Shibata, Hiromi, Murakami, Takeshi, Uchihori, Yukio

“…The variation of the electromechanical coupling factor of lead zirconate titanate (PZT) was studied using a piezoelectric PZT disk exposed to a 400 MeV/n xenon…”
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Observation of Dynamic Structure Using Ultrasound 3D Imaging System with Encoded Wave Front by Ishigami, Satoshi, Yanagida, Hirotaka, Tamura, Yasutaka, Ishihara, Chiaki, Okada, Nagaya

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Acoustic signal production in ethanol by energetic xenon ions by Kobayashi, Masanori, Miyachi, Takashi, Okudaira, Osamu, Takechi, Seiji, Kurozumi, Atsuma, Uno, Takefumi, Nakamura, Maki, Shibata, Hiromi, Okada, Nagaya, Fujii, Masayuki, Murakami, Takeshi, Uchihori, Yukio

“…Acoustic signals produced by irradiating ethanol with 400 MeV/n Xe ions were experimentally studied. The signals were detected by an array of piezoelectric PZT…”
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