Composite ultrasonic transducer

Details Composite ultrasonic transducer Composite ultrasonic transducer

1998-10-02

1999-11-30

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

367157, 310357, 310358, H04R 1700, H01L 4108

Patent

active

059954531

ABSTRACT:
In a composite ultrasonic transducer, each of a plurality of piezoelectric ceramic columns included in a resin plate has a given circular cross-section and passes through the resin plate in a direction of a thickness of the resin plate, and central axes of the piezoelectric ceramic columns are regularly arranged at positions corresponding to nodes of a regular triangle network.

REFERENCES:
patent: 4412148 (1983-10-01), Klicker et al.
patent: 4628223 (1986-12-01), Takeuchi et al.
patent: 5164920 (1992-11-01), Bast et al.
patent: 5818149 (1998-10-01), Safari et al.
IEEE Trans. Sonics Ultrasonics, vol. SU-32, 1985, pp. 481-497 Article entitled "Piezoelectric Composite Materials for Ultrasonic Transducer Applications. Part I: Resonant Modes of Vibration of PZT Rod-Polymer Composites" by T.R. Gururaja et al.

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