Patent ID: 9502023
Filing Date: 2016-11-22
CPC Classification: B06B,B81B,G01N,G10K,H01L

Claim Text:
1. An ultrasound transducer stack comprising: a transducer layer having an upper surface, wherein the transducer layer includes a micromachined ultrasound transducer, and wherein the upper surface of the transducer layer comprises an upper portion of the ultrasound transducer; a lens layer having a lower surface overlying the upper surface of the transducer layer, wherein the lens layer comprises a lens material; and an intermediate layer having an upper surface and a lower surface, wherein the upper surface of the intermediate layer underlies the lower surface of the lens layer, wherein a lower surface of the intermediate layer overlies the upper surface of the transducer layer, and wherein the intermediate layer comprises a material having a compliance greater than the compliances of the lens material and the upper portion of the ultrasound transducer.