Patent ID: 11890140
Assignee: FUJIFILM SONOSITE, INC.
Field: Measurement (Instruments)
Classification: CPC A  B  G  H | IPC A  B  G  H

Claim 8:
9. An ultrasound transducer assembly, comprising:
a piezoelectric layer comprising a plurality of piezoelectric transducer elements configured emit ultrasound energy;
a plurality of matching layers overlaying the piezoelectric layer, wherein a Z-axis extends through the plurality of matching layers and the piezoelectric layer; and
a plurality of first kerfs and a plurality of second kerfs extending into at least the plurality of matching layers, wherein the first kerfs have a first depth with respect to the Z-axis, wherein the second kerfs have a second depth with respect to the Z-axis, wherein the second depth is greater than the first depth, and wherein the kerfs are at least partially filled with a composite filler material comprising two or more materials, wherein the piezoelectric layer and the plurality of matching layers have a width extending along an elevation axis, wherein the first depths and the second depths of the composite filler materials in corresponding individual first and second kerfs vary relative to the elevation axis.