System and method of operating microfabricated ultrasonic...

Details System and method of operating microfabricated ultrasonic... System and method of operating microfabricated ultrasonic...

2004-10-04

2009-12-22

Casler, Brian (Department: 3737)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C600S443000, C600S459000, C073S602000, C073S621000, C073S642000, C367S101000, C367S103000, C367S153000

Reexamination Certificate

active

07635332

ABSTRACT:
A capacitive microfabricated ultrasonic transducer (cMUT) is operated to improve its performance during harmonic imaging in non-linear media, such as in contrast agents or in human tissue. The cMUT is operated by inverting the transmit waveform to adjacently spaced azimuth elements, and combining at least two additional firings without adjacent inversion, for each transmit vector, thereby canceling the second harmonic generation of the cMUT; and thus, the performance of harmonic imaging using the cMUTs can achieve improvement.

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