Development of a Micro Line-Focus-Beam Ultrasonic Device
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概要
- 論文の詳細を見る
A micro line-focus-beam (LFB) ultrasonic device was developed to improve the spatial resolution of the LFB ultrasonic material characterization (UMC) system. This device was demonstrated at 225 MHz with a wedge-shaped, slightly focused ultrasonic beam from a ZnO-film transducer fabricated on a large cylindro-convex surface with a 13-mm radius, not on the flat surface in a normal LFB ultrasonic device, and achieved over three-times improvement. We confirmed its ability to detect crystal anisotropy and to evaluate elastic inhomogeneity with steep variations using ZnO specimens. This device expands the potential of the LFB-UMC system for materials analyses.
- Japan Society of Applied Physicsの論文
- 2009-08-25
著者
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OHASHI Yuji
Department of Chemistry and Materials Science Tokyo Institute of Technology
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ARAKAWA Mototaka
Department of Electrical Engineering, Tohoku University
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Yoshida Sho
Department Of Metallurg And Marial Science Faculty Of Engineering University Of Tokyo
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Tanaka Tomoya
Department Of Electrical Engineering Tohoku University
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Tanaka Tomoya
Department Of Biological Functions And Engineering Kyushu Institute Of Technology
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Asano Kouji
Department Of Electrical Engineering Tohoku University
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Kushibiki Jun-ichi
Deparment Of Electrical Engineering Faculty Of Engineering Tohoku University
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Arakawa Mototaka
Department Of Electrical Engineering Tohoku University
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Yoshida Sho
Department Of Electrical Engineering Tohoku University
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Kushibiki J
Department Of Electrical Engineering Tohoku University
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Yoshida Sho
Department Of Computer Science Kyushu Institute Of Technology
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