2-D array design and fabrication with pitch-shifting interposer at frequencies from 4 MHz up to 10 MHz

H Kang, Y Sun, R Wodnicki, Q He… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
High element density and strict constraints of the element's size have significantly limited the
design and fabrication of 2-D ultrasonic arrays, especially fully sampled 2-D arrays …