Piezoelectric transducer including a plurality of piezoelectric members
AssigneesKabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
InventorsTakashi Takeuchi, Tomohisa Imamura, Takashi Ogawa
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Abstract
A piezoelectric transducer for an ultrasonic scan is provided. The transducer includes a plurality of piezoelectric members arrayed. The plurality of piezoelectric members have different compositions parts in a slice direction so that an ultrasonic beam is focused in the slice direction.
Claims2
A piezoelectric transducer for an ultrasonic scan, comprising a plurality of piezoelectric members arrayed,
- wherein the plurality of piezoelectric members have different compositions parts in a slice direction so that an ultrasonic beam is focused in the slice direction.
A piezoelectric transducer for an ultrasonic scan, comprising a plurality of piezoelectric members arrayed in contact along a direction perpendicular to a scan plane by the ultrasonic scan, wherein the plurality of piezoelectric members are made of predetermined compositions so as to have predetermined characteristics, and are arrayed based on the predetermined characteristics in accordance with a predetermined set of weighting values.
Dependencies are inferred from the claim text.