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Design and Fabrication of a 3-dimensional Diagnostic Ultrasonic Probe  

Eun, Hong (경북대학교 기계공학부)
Lee, Su-Sung (경북대학교 센서공학과)
Roh, Yong-Rae (경북대학교 기계공학부)
Publication Information
The Journal of the Acoustical Society of Korea / v.21, no.8, 2002 , pp. 766-771 More about this Journal
Abstract
In this study, we have developed a 3-dimensional diagnostic ultrasonic sector probe using a convex type ultrasonic probe with 128 active elements. The probe was made to operate at the center frequency of 4.5㎒ with the bandwidth of 66%. The driving part was designed to rotate the axis of the convex probe by means of a step motor equipped with reduction gears and spur gears attached to the motor so that the probe could enable us to acquire a series of 2-dimensional images to construct a 3-dimensional image. Acoustic cover of the probe was made of polymers to have the same radius of rotation as that of the convex probe. The controllability of the rotation angle and the structural stability of the probe were confirmed through experimental 3-dimensional images obtained using the developed 3-dimensional sector probe.
Keywords
3-dimensional images obtained using the developed 3-dimensional sector probe; Step motor; Acoustic cover;
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