CPC A61B 8/4494 (2013.01) [B06B 1/0685 (2013.01); G01S 7/52079 (2013.01); G10K 11/002 (2013.01); A61B 2018/00089 (2013.01); B06B 2201/76 (2013.01)] | 10 Claims |
1. An ultrasound transducer, comprising:
an element for generating ultrasonic waves; and
a backing arranged behind the element, the backing comprising a meta-structure formed from a plurality of stacked, tessellated layers, with each layer defining a tessellation pattern of voids and each layer stacked directly upon another, wherein the tessellation pattern is a repeating geometric shape that covers a plane without presence of interstices between adjacent shapes of the repeating geometric shape, and wherein the voids defined by the meta-structure are filled with a fill material and the meta-structure is configured to diffuse and attenuate acoustic waves.
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