3-D synthetic imaging using 128-channel 2-D sparse capacitive micromachined ultrasonic transducer array

초록

A 2-D array is essential for the construction of a 3-D image. Previous researches have demonstrated how a 3-D ultrasonic image can be constructed by mechanically translating and rotating a 1-D array. For non-mechanical imaging, 2-D dense arrays have been investigated; however, they pose a challenge in practical implementation due to a large number of interconnections. To overcome this problem, we theoretically study a 2-D sparse array with a small number of channels located in a component of the array.

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