Microfabricated ultrasonic transducer array for 3-D imaging...

Details Microfabricated ultrasonic transducer array for 3-D imaging... Microfabricated ultrasonic transducer array for 3-D imaging...

2004-10-04

2009-11-17

Le, Long V (Department: 3768)

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

C600S472000, C600S437000

Reexamination Certificate

active

07618373

ABSTRACT:
A capacitive microfabricated transducer array used for 3-D imaging, with a relatively large elevation dimension and a bias control of the elevation aperture in space and time, confers the same benefits of mechanical translation, except that image cross-sections are electronically rather than mechanically scanned, and are registered very accurately in space. The 3-D cMUT, when combined with elevation bias control and convex curvature in elevation, increases the volume interrogated by the electronic scanning, thus improving field of view. Further still, the 3-D cMUT can be combined Fresnel focusing of the elevation section to improve the elevation focus.

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ISR PCT/US2004/002740 mailed Jul. 7, 2004.

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