Ultrasound transducer arrangement having an acoustic matching la

Details Ultrasound transducer arrangement having an acoustic matching la Ultrasound transducer arrangement having an acoustic matching la

1993-09-14

1995-05-23

Eldred, J. Woodrow

Communications, electrical: acoustic wave systems and devices

Signal transducers

367152, 310323, 310336, 12866203, H04R 1700

Patent

active

054187591

ABSTRACT:
In an ultrasound transducer arrangement having an electroacoustic transducer part, at least one acoustic matching layer is allocated to the transducer part. The acoustic matching layer is composed of an electrically conductive skeleton having interspaces connected to one another. The skeleton is constructed of particles connected to one another. The size of the particles is smaller than the wavelength of an acoustic wave in a matching layer, as a result of which no significant scattering of the wave occurs in the matching layer. The interspaces are filled with a curable casting compound.

REFERENCES:
patent: 3968055 (1976-07-01), Palmer
patent: 4717851 (1988-01-01), Fenner et al.

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