Patent · US Active

Elastic wave device with sub-wavelength thick piezoelectric layer and high velocity layer

US10778181B2 · kind B2 · utility

5Cited by

19References

20Claims

0Family size

Assignee

Skyworks Solutions, Inc. · US

Inventors

Rei Goto · Osaka, JP
Jie Zou · Eden Prairie, US
Hiroyuki Nakamura · Ebina, JP
Chun Sing Lam · San Jose, US

Key dates

Filing date	Oct 18, 2017
Grant date	Sep 15, 2020
Priority date	—
Expiry date	Feb 18, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH10N30/877
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

Aspects of this disclosure relate to an elastic wave device. The elastic wave device includes a sub-wavelength thick piezoelectric layer, an interdigital transducer electrode on the piezoelectric layer, and a high velocity layer configured to inhibit an elastic wave from leaking from the piezoelectric layer at anti-resonance.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.