Two-dimensional-array ultrasonic probe and ultrasonic...

Details Two-dimensional-array ultrasonic probe and ultrasonic... Two-dimensional-array ultrasonic probe and ultrasonic...

2011-06-28

2011-06-28

Saint Surin, Jacques M (Department: 2856)

Measuring and testing

Vibration

By mechanical waves

C073S626000

Reexamination Certificate

active

07966884

ABSTRACT:
A two-dimensional array ultrasonic probe has an ultrasonic transducer. The transducer has transducer elements that are arranged in a first direction and a second direction, forming a lattice. Acoustic-emission electrodes are provided on the acoustic-emission surfaces of the transducer elements. Back electrodes are provided on the backs of the transducer elements. A transmitting-circuit unit is connected to the acoustic-emission electrodes. A receiving-circuit unit is connected to the back electrodes. Of the acoustic-emission electrodes, two electrodes are short-circuited to the transmitting circuits of the transmitting-circuit unit. The remaining two acoustic-emission electrodes are short-circuited to the receiving circuits of the receiving-circuit unit.

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