Patent ID: 8547799
Filing Date: 2013-10-01
Classification: A61B,B06B,Y10T

Abstract:
1. An ultrasonic probe comprising: a rear block having a predetermined thickness; a flexible printed circuit board stacked on the rear block to surround the top face and side of the rear block and having wiring patterns formed thereon; a piezoelectric wafer stacked on the top face of the flexible printed circuit board and having upper and lower electrodes respectively formed on top and bottom faces thereof; a ground electrode plate stacked on the top face of the piezoelectric wafer, bonded to the upper electrode and connected to a ground layer of the flexible printed circuit board; an acoustic matching layer stacked on the top face of the ground electrode plate; and an acoustic lens bonded onto the acoustic matching layer; wherein the piezoelectric wafer has first vertical holes elongated in one horizontal direction, wherein vertical slots are formed in the acoustic matching layer, the ground electrode plate, the piezoelectric wafer and the flexible printed circuit board, and are elongated in another horizontal direction perpendicular to the one horizontal direction, wherein the flexible printed circuit board comprises: wherein the wiring patterns comprises: