Ultrasound transducer with distributed cantilevers

US12150384B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Seow Yuen Yee · Mountain View, US
• Vladimir Petkov · San Jose, US
• Matthias Boecker · Reutlingen, DE
• Timo Schary · Grötzingen, DE

Key dates

• Filing date: Jul 12, 2021
• Grant date: Nov 19, 2024
• Expiry date: Jul 2, 2043

Classification

• Technology area (CPC G): Physics
• CPC primary: G10K9/13
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

An ultrasound transducer, wherein the ultrasound transducer includes a membrane including a top portion and a bottom portion, wherein the membrane is configured to vibrate and generate an ultrasound in response to voltage applied the transducer, wherein the membrane includes a perimeter including a plurality of sides and a top surface and a bottom surface with one or more feet extending away from the bottom surface; and a support member that attaches to and connects to the membrane and supports the membrane, wherein the support member includes one or more platforms extending to and attaching to the membrane and a substrate, wherein a first end of the platform connects to the membrane and includes a support portion, wherein the support portion away from the platform, wherein the platform includes the one or more piezoelectric layers, wherein the one or more platforms support and surround the membrane.