High resolution focused ultrasonic transducer

Details High resolution focused ultrasonic transducer High resolution focused ultrasonic transducer

H - Electricity

01

L

H01L 41/08 (2006.01) B06B 3/04 (2006.01) G01N 29/24 (2006.01) G10K 11/00 (2006.01) G10K 11/30 (2006.01) B06B 1/02 (2006.01)

Patent

CA 2376082

The present invention relates to transducer packages which utilize lenses (204) made of unpoled piezoelectric material or machined metal coupled to an impedance matched backing (212). The new transducer packages have minimal reverberation which allow for nearer standoff measurements, improved bond measurements, the ability to detect of thinner cement layers behind casing, and provide for better estimations of formation surface texture.

L'invention concerne un ensemble transducteur qui utilise des lentilles (204) faites en un matériau piézoélectrique non polarisé ou un métal usiné couplé à un support (212) adapté en impédance. Le nouvel ensemble transducteur de l'invention présente une réverbération minimale permettant des mesures d'entretoise plus fines, des mesures d'adhésivité améliorées, la possibilité de détecter des couches de ciment plus fines derrière le tubage, et offre de meilleures estimations de la formation de texture superficielle.

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