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JAPAN PROBE presented at Technical Committee on Ultrasonics 2021/02/03

At “Technical Committee on Ultrasonics” held online on January 29, 2021 (Friday), JAPAN PROBE made the following presentations.
①:Examination of the generation and amplitude fluctuation of edge waves generated by ultrasonic propagation.
②:Curvature measurement of flexible array probe using sheet type sensor for bending.
You can download PDF files of these presentations from the link at the bottom.
Source : INFORMATION AND COMMUNICATION ENGINEERS, Ultrasonic US2020-61 pp.21-25 copyright(c)2021 IEICE
     ditto pp.15-20 copyright(c)2021 IEICE


Presentation ①:Examination of the generation and amplitude fluctuation of edge waves generated by ultrasonic propagation.
Overview : Investigated amount of edge waves generated during ultrasonic propagation, whether it is once at the time of transmission or continued to be generated during the transmission. By investigating these phenomena by simulation, it was confirmed that the edge wave is constantly generated not only at the time of transmission.

Presentation ②:Curvature measurement of flexible array probe by using a bending-sensing flexible substrate.
Overview : Curvature measurement of flexible array probe was made by using a bending-sensing flexible substrate. As the result of measuring the curvature of the probe and an output voltage of a bending-sensing flexible substrate, it was shown that the smaller the curvature, the higher the output voltage, and the polarities of the output voltage are opposite on the concave and convex surfaces. The curvature of the sensor and the output voltage became inversely proportional. The error at the time of imaging was examined from the error of the radius of curvature.

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Material of presentation①:Examination of the generation and amplitude fluctuation of edge waves generated by ultrasonic propagation.

Material of presentation②:Curvature measurement of flexible array probe by using a bending-sensing flexible substrate.