Lamb wave element and bulk acoustic wave resonator on common substrate

CM Lin, J Zou, T Jibu, CS Lam, JJ Caron - US Patent 11,165,406, 2021 - Google Patents
Aspects of this disclosure relate to an acoustic wave device that includes a bulk acoustic
wave resonator and a Lamb wave element implemented on a common substrate. In some …

Transversely-excited film bulk acoustic resonator with a front-side dielectric layer and optimized pitch and mark

B Garcia, J Koskela, RB Hammond, P Turner… - US Patent …, 2024 - Google Patents
Acoustic resonators and filter devices. An acoustic resonator includes a piezoelectric plate
having front and back surfaces, a portion of the piezoelectric plate forming a diaphragm, a …

Bulk acoustic wave resonator comprising multiple acoustic reflectors

B Ivira, T Jamneala, D Figueredo - US Patent 10,177,736, 2019 - Google Patents
ABSTRACT A bulk acoustic wave (BAW) resonator includes: a plurality of acoustic reflectors
disposed in a substrate; a lower elec trode disposed over the plurality of acoustic reflectors; …

Support Structure for Bulk Acoustic Wave Resonator

LD Hou, K Pan, SK Wang - US Patent App. 17/240,943, 2021 - Google Patents
Devices and processes for preparing devices are described for a bulk acoustic wave
resonator. A stack formed over a substrate includes a piezoelectric film element, a first (eg …

Support structure for bulk acoustic wave resonator

LD Hou, KM Pan, SK Wang - US Patent 11,764,750, 2023 - Google Patents
Devices and processes for preparing devices are described for a bulk acoustic wave
resonator. A stack includes a first electrode that is coupled to a first side of a piezoelectric …

Resonator using YX-cut lithium niobate for high power applications

B Garcia - US Patent 11,990,888, 2024 - Google Patents
Acoustic resonator devices, filters, and methods are disclosed. An acoustic resonator
includes a substrate and a lithium niobate (LN) plate having front and back surfaces and a …

Lamb wave resonator and other type of acoustic wave resonator included in one or more filters

JJ Caron, T Jibu, BP Abbott - US Patent 11,177,787, 2021 - Google Patents
Aspects of this disclosure relate to acoustic wave filters that include a Lamb wave resonator
and a second acoustic wave resonator that is a different type of acoustic wave resonator …

Bulk acoustic wave resonator with multilayer base

LD Hou, AM Vigo, SK Wang - US Patent 12,021,498, 2024 - Google Patents
A bulk acoustic (BAW) resonator having a multilayer base and method of fabricating the bulk
acoustic resonator is disclosed. A BAW resonator comprises a substrate having a cavity and …

Bulk acoustic resonator structures with improved edge frames

SK Wang, LD Hou, KM Pan, ACH Chen… - US Patent …, 2024 - Google Patents
A bulk acoustic wave (BAW) resonator includes a substrate, a stack over the substrate and
including a piezoelectric layer disposed between two electrode layers, and one or more …

Acoustic resonators and filters with reduced temperature coefficient of frequency

B Garcia - US Patent 12,028,040, 2024 - Google Patents
Acoustic resonator devices and filters. An acoustic resonator includes a substrate and a
lithium niobate plate. A back surface of the lithium niobate plate faces the substrate. A …