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Multi-purpose ultrasonic slotted array transducer



Multi-purpose ultrasonic slotted array transducer



Official Gazette of the United States Patent & Trademark Office Patents 1268(4), Mar 25



An ultrasonic probe is provided for medical applications which can be used both in high resolution imaging and therapy or other high intensity applications. The probe includes a primary ultrasonic transducer array operating at first resonant frequency and formed by a plurality of elements arranged linearly along a coordinate axis, and a secondary ultrasonic transducer array operating at second resonant frequency and comprising a plurality of elements arranged linearly along the coordinate axis and being interdigitated with the elements of the primary ultrasonic transducer array. In one embodiment, separate transducer units are joined to form the probe while in a further embodiment, the two arrays are produced from a common piezoelectric member.

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Accession: 035349460

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