Interdigitated geometry transducer for optimizing the...

Details Interdigitated geometry transducer for optimizing the... Interdigitated geometry transducer for optimizing the...

2005-06-17

2011-10-11

Casler, Brian (Department: 3737)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C600S407000, C600S437000

Reexamination Certificate

active

08033997

ABSTRACT:
The invention relates to an ultrasonic transducer comprising a plurality of micro-cells, arranged in an array having M rows and N columns, and driving electronic means apt to connect in parallel to each other said micro-cells so as to form at least two sub-groups of said micro-cells, the micro-cells of each sub-group being connected in parallel to each other, at least one column of said array comprising micro-cells belonging to at least two different adjacent sub-groups, so that a radiation emitted in a direction perpendicular to the array columns by said at least one column has a phase that is intermediate between the phases of said at least two different adjacent sub-groups.

REFERENCES:
patent: 5576880 (1996-11-01), Chang
patent: 6352510 (2002-03-01), Barabash et al.
Oralkan et al., “Volumetric Ultrasound Imaging Using 2-D CMUT Arrays”, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 50, No. 11, Nov. 2003, pp. 1581-1594.

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