Ultrasonic probe and ultrasonic diagnostic apparatus

Provided are an ultrasonic probe and an ultrasonic diagnostic apparatus, which reduce parastic impedances which occurs in upper electrodes and lower electrodes, thereby reducing cross talk. The ultrasonic probe comprises a cMUT chip (20) having a plurality of transducer elements, an acoustic lens (2...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ASAFUSA KATSUNORI, FUKADA MAKOTO
Format:	Patent
Sprache:	eng
Schlagworte:	DIAGNOSIS FOR PERFORMING MECHANICAL WORK IN GENERAL GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY PERFORMING OPERATIONS SURGERY TRANSPORTING
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Beschreibung
Zusammenfassung:	Provided are an ultrasonic probe and an ultrasonic diagnostic apparatus, which reduce parastic impedances which occurs in upper electrodes and lower electrodes, thereby reducing cross talk. The ultrasonic probe comprises a cMUT chip (20) having a plurality of transducer elements, an acoustic lens (26) on the ultrasonic wave irradiation side of the cMUT chip (20), a backing layer (22) on the back of the cMUT chip (20), and wires connected with the cMUT chip (20). This cMUT chip (20) includes a plurality of upper electrodes (46) and a plurality of lower electrodes (48), and these lower electrodes (48) are connected at two or more portions with wires.