AN ULTRASOUND TRANSDUCER AND A TILED ARRAY OF ULTRASOUND TRANSDUCERS

AN ULTRASOUND TRANSDUCER AND A TILED ARRAY OF ULTRASOUND TRANSDUCERS

An ultrasound transducer has a control circuit with an array of circuit portions which together define a circuit area. cMUT elements are provided over the top of the control circuit. Vias provide a coupling between each cMUT element and a respective one of the circuit portions beneath. The vias are...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HENNEKEN, Vincent Adrianus, KLOOTWIJK, Johan Hendrik, VAN RENS, Antonia Cornelia
Format: Patent
Sprache:eng ; fre ; ger
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:An ultrasound transducer has a control circuit with an array of circuit portions which together define a circuit area. cMUT elements are provided over the top of the control circuit. Vias provide a coupling between each cMUT element and a respective one of the circuit portions beneath. The vias are located at spaces between the cMUT elements and connect to the circuit portion beneath at a position relative to the shape of the circuit portion. The pitch of the array is greater than the pitch of the circuit portions in at least one direction of the array such that in said at least one direction, the cMUT elements extend beyond one or both sides of the circuit area. This makes tiling easier and enables a modular design.